Answer: 35/16
Step-by-step explanation:
BD is a diameter of circle Q. If M_ACB=30°, what is M<DBA?
A. 30°
B. 50°
C. 60°
D. 70°
E. 90°
Find the measures of the angles of the ∆ABC if m∠A : m∠B : m∠C = 2:3:4.
Answer:
m∠A = 2x = 2*20 = 40
m∠B = 3x = 3*20 = 60
m∠C= 4x = = 4*20 = 80
Step-by-step explanation:
we know sum of angles of triangle is 180 degrees
given
m∠A : m∠B : m∠C = 2:3:4
let the angle be
m∠A = 2x
m∠B = 3x
m∠C= 4x
we have taken such angle by applying rule of indices where
a:b:c = ax:bx:cx
which means that if we multiply all term of ratio by same number ratio remains same
thus,
2x+3x+4x = 180
9x = 180
x = 180/9 = 20
Thus,
m∠A = 2x = 2*20 = 40
m∠B = 3x = 3*20 = 60
m∠C= 4x = = 4*20 = 80
A lottery ticket costs $5. You pick 3 two-digit numbers (anything from 00 to 99) in order. If you match the first number only, you win $200. If you match the first two numbers and not the third, you win $5000. If you match all three numbers, you win $100,000. In two or more complete sentences, explain whether or not the game is fair. In your explanation, include all necessary calculations.
Answer:
00 to 99 are 100 numbers.
If you match the first number only, you win $200. The Probability for this is 1/100.
If you match the first two numbers and not the third, you win $5000. The Probability for this is 1/50.
If you match all three numbers, you win $100,000. The Probability for this is 3/100.
And, If you are a customer, You will think is fair for you.
But if you are the lottery tickets company, you will think is not fair for you.
It depends who you are.
the game isn't fair because 100,000/3=3333 1/3, so each number should be worth $3333.3333...... dollars but you can't really give 1/3 dollars so the game is impossible to be fair. Also, if you match the first two numbers you apparently get $5000. That's also not fair because each number is worth $50 dollars more than if you get the first number matched. So, the game isn't fair but it will be pretty much impossible to be fair.
When
4a- a x 3a + 7a
is simplified it is equivalent to
Answer:
30a
Step-by-step explanation:
4a-a x 3a +7a
3a x 10a
30a
The given expression is:
[tex]4a- a\times 3a + 7a[/tex]By applying multiplication, we get
→ [tex]4a - 3a^2+7a[/tex]
By applying addition, we get
→ [tex]-3a^2+11a[/tex]
By taking "a" as common, we get
→ [tex]a (-3a+11)[/tex]
Thus the answer above is right.
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Jose receives a monthly salary of $2,870 his annual salary is raised by 8% what is his new annual salary
Answer:
The answer is $37195.20
Step-by-step explanation:
The annual salary would be 12 times the monthly salary. Therefore, if the monthly salary is 2,870 the annual (yearly) salary would be 12 times as much. Which would result in 34,440. Then you would have to find 8% percent of 34,440 which is 2,755.20. Finally, just add the two numbers which will get you 37195.20.
Help me do my ‘mymaths’ homework I’ll give brainliest to the best answer thanks.
Step-by-step explanation:
you make x the subject of formula for all the questions.
a(x+b)=cfirstly you divide both sides of the equation by a, this way the a will cancel it self out of the equation
x+b= c/a
then you take '+b' to the other side of the equation over the = sign, this makes +b sign to change it then becomes -b
x=c/a -b
2. 7(x-a)=b
you divide both sides of the equation by 7.
x-a=b/7
then you take -a to the other side of the equation it becomes +a
x=b/7+a
NOTE: always eliminate the number/letter beside the bracket first. it unlocks the bracket. the number or letter is joined to a bracket by multiplication so we divide to eliminate it
For the x-values 1,2,3, and so on the y values of a function form a geometric sequence that decreases in value. What type of function is it? A. increasing linear. B. Decreasing linear C. exponential growth D. exponential decay
Answer:
D
Step-by-step explanation:
BIG BRAIN
Makes no sense yea put D like it’s gonna be the answer for d on mine
What are the factors of this quadratic function?
Answer:
A
Step-by-step explanation:
The factors are simply the places where the graph crosses the x-axis.
Looking at the graph, we see the two places are 1 and 5. So, we want factors that produce 1 and 5.
Essentially, our factors look something like x - a, where a is one of the roots. So, plugging 1 and 5 in for a, we get the factors:
x - 1 AND x - 5
The answer is thus A.
~ an aesthetics lover
Answer:
It is either A or B. A because the signs switch in the equation, or B from plain analyzing.
please help!!!!!!!!!!
Answer:
Flipped across the y-axis and then rotated -90 degrees
Step-by-step explanation:
Someone please help me solve this!!!
Answer:
[tex]h = 12m \\ ( b)_{1} = 21m \\ ( b)_{2} = 15m[/tex]
Now lets find the area
[tex]area = \frac{1}{2} h( b_{1} + b_{2}) \\ = \frac{1}{2} \times 12(21 + 15) \\ = \frac{1}{2} \times 12 \times 3 6 \\ = \frac{12}{2} \times 36 \\ = 6 \times 36 \\ = 216[/tex]
A fruit salad is to contain 1 green fruit, 2 different yellow fruits, and 3 different red fruits. Determine the number of possible fruit salads that can be made from 2 different green fruits, 5 different yellow fruits, and 9 different red fruits.
Answer:
90
Step-by-step explanation:
The base of a solid right pyramid is a square with an
edge length of n units. The height of the pyramid is n-
1 units
Which expression represents the volume of the
pyramid?
on(n-1) units
on(n-1)2 units
on (n - 1) units
o nº(n-1) units
(n-1)
n
Save and Evit
MA
Answer:
Volume = ⅓n²(n-1) or ⅓(n³ - n²)
Step-by-step explanation:
Given
Solid Shape: Right pyramid
Edge= n units
Height= n - 1 units
Required
Volume of the pyramid
The volume of a right pyramid is
Volume = ⅓Ah
Where A represents the area of the base
h represent the height of the pyramid
Since it has a square base;
The area is calculated as follows
Area, A = edge * edge
A = n * n
A = n²
Recall that
Volume = ⅓Ah
Substitute n² for A and n - 1 for h
The expression becomes
Volume = ⅓ * n² * (n - 1)
Volume = ⅓n²(n-1)
The expression can be solved further by opening the bracket
Volume = ⅓(n³ - n²)
PLEASE HELP QUICKLY! Line k is the perpendicular bisector of (line)PQ. If line k intersects (line)PQ at point R, which of the following statements must be true? check all that apply A. Line k bisects PQ B. PR is congruent to QR C. Line k intersects PQ at a 90 angle D. Point R is the midpoint of line k E. Line k is parallel to PQ
Answer:
A. Line k bisects PQ
B. PR is congruent to QR
C. Line k intersects PQ at a 90 angle
Step-by-step explanation:
A perpendicular bisector of a line is a segment that cuts right in the middle a line, and that segment forms a 90º degree angle with the line. This means that the point where the segment cuts the line would be exactly the half, making both resultant segments on the line congruent. So the options that are correct are ABC.
Answer:
In the diagram below, is the perpendicular bisector of PQ. Which of the following statements must be true?
Check all that apply.
A. PQ is the perpendicular bisector of
√B. mPTR = 90
√C. PT = QT
D. RT = ST
√E.↔rs⊥pq↔
√F. T is the midpoint of PQ
Step-by-step explanation:
Anna enjoys dinner at a restaurant in Washington, D.C., where the sales tax on meals is
10%. She leaves a 15% tip on the price of her meal before the sales tax is added, and
the tax is calculated on the pre-tip amount. She spends a total of $27.50 for dinner.
What is the cost of her dinner without tax or tip?
Show or explain your work in the space below:
Can u plz help me with the model for the math problem plz?
If f(x) = 1/6 x-8, then f^-1(x)=
Answer:
f^-1(x) is 6x + 48
f(x) = 1/6x - 8
To find f^-1(x) equate f(x) to y
That's
f(x) = y
y = 1/6x - 8
Next interchange the terms
We have
x = 1/6y - 8
Make y the subject
Multiply through by 6
We have
6x = y - 48
y = 6x + 48
Therefore f^-1(x) is 6x + 48
Hope this helps you
Answer:f(-1/6)-8
Step-by-step explanation:
cuz
P(2, 2), Q(1, -3), R(-4, 2), S(-3, 7) Using the information above, answer the following questions. Find the length of RS Find the length of SP Find the length of PQ Find the length of RQ Use this information to determine if the quadrilateral a parallelogram.
Answer:
Yes the Quadrilateral is a Parallelogram.
Step-by-step explanation:
A parallelogram can be defined as a quadrilateral i.e a geometric shape with four sides that has opposite sides parallel and equal in length.
From the question, we are given the following points
P(2, 2), Q(1, -3), R(-4, 2), S(-3, 7)
Given points: (x1, y1) and (x2, y2)
The formula would be
√(x2 - x1)² +(y2 - y1)²
a) P(2, 2), Q(1, -3)
Length PQ = √(1 - 2)² +(-3 - 2)² = √-1² + -5² = √26
b) R(-4, 2), S(-3, 7)
Length RS = √(-3 - (-4))² + (7 - 2) ² = √ 1² + 5² = √26
c) R(-4, 2), Q(1, -3)
Length RQ = √(1 - (-4))² + (-3 - 2)² = √5² + 5² = √(25 + 25) = √50
d) S(-3, 7), P(2, 2)
Length SP = √(2 - (-3))² + (2 - 7)² = √5² +(-5)² = √(25 + 25) = √50
From the above solution, we can see that
Length PQ = Length RS
Length RQ = Length SP
This means the opposite sides are parallel and equal in length, hence it is a Parallelogram.
Which number line represents the solutions to |-2x| = 4?
Answer:
Step-by-step explanation:
Your answer is c
the absolute value of -2x would be positive 2x making x =2 and -2
Solve the following equation using the methods learned in this section.
3a2 = 54
The answer is a = 3√2. The explanation and steps of how I got the answer is in the image below.
Jenny predicted that she would sell 12 bracelets, but she actually sold 16 bracelets. Which expression would find the percent error?
Answer:
12/16 which would be a -25% error
Step-by-step explanation:
Percent Error =
12-16/16
=
-4/16
=
-25%
Answer:
the answer is d
Step-by-step explanation:
Which document do you need to have on hand when preparing to file your tax return?
O A.
auto insurance card
OB.
birth certificate
OČ.
driver's license
OD.
Form W-2
O E.
Form W-4
Answer:
w-2
Step-by-step explanation:
To file your return, you'll need the following on hand: Your W-2: This form will come from your company and list not only your salary for the year but the amount of taxes withheld along the way. You're required to file your W-2 along with your taxes, so if you're a salaried employee, this form is non-negotiable.
The document you need to have on hand when preparing to file your tax return is Form W-2. The correct option is D.
What is tax return?A tax return is a document filed with the tax authorities by individuals or businesses to report their income, expenses, and other relevant financial information in order to calculate their tax liability or refund.
It is usually filed once a year, and the information on it is used to determine whether the taxpayer owes additional taxes or is eligible for a refund.
Form W-2 is a form that an employer provides to an employee at the end of the year that shows the employee's total earnings as well as the amount of taxes withheld from those earnings.
It is a necessary document for accurately preparing and filing an individual's tax return.
Thus, the correct option is D.
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how would I write an equation for the points (-5,3) & (-1,-3) for a graph
Answer:
Step-by-step equation y = mx+b.
we first find slope which is y2-y1 / x2-x1 which is -3-3 / -1--5 = -6 / 4 = -3/2
m is the slope
b is the y intercept
so
y = mx+b
looking at the point-5, 3
3(y) = -3/2(slope)*-5(x)+b.
3 = -3/2(-5) +b
3 = 15/2+b
3 = 7.5+b
b = -4.5
so y intercept is -4.5 equation is supposed to be written in y = mx+b =
y = -3/2x+-4.5p
hope i helped
it took me 15 mins to solve and write
can i have brainliest plsss
-zylynn
Which of the following list of ordered pairs is a function?
Find the measures of all four angles if 3·(m∠1+m∠3) = m∠2+m∠4.
Answer:
Step-by-step explanation:
m∠1=m∠3
m∠2=m∠4
3*(m∠1+m∠3)=m∠2+m∠4
3*(m∠1+m∠1)=m∠2+m∠2
3×2 m∠1=2 m∠2
m∠2=3 m∠1
now m∠1+m∠2=180°
m∠1+3 m ∠1=180
4 m∠1=180
m∠1=180/4=45°
m∠3=45°
m∠2=180-m∠1=180-45=135°
m∠4=135°
2. (07.02 MC)
An equation is shown below:
4(2x – 5) = 4
Part A: How many solutions does this equation have? (4 points)
Part B: What are the solutions to this equation? Show your work. (6 points)
Answer:
A. One solution.
B. x = 3.
Step-by-step explanation:
4(2x - 5) = 4
4*2x + 4*-5 = 4
8x - 20 = 4
8x = 24
x = 3.
The given equation has one solution and the solution to the given equation is 3
Solution to linear equationLinear equation has a leading degree of 1. Given the equation
4(2x - 5) = 4
Divide both sides by 4
4(2x-5)/4 = 4/4
2x - 5 = 1
Add 5 to both sides
2x = 1 + 5
2x = 6
x = 3
Hence the given equation has one solution and the solution to the given equation is 3
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(11a - 2b +7c) - (3a - 9b + 5c)
Work Shown:
(11a - 2b + 7c) - (3a - 9b + 5c)
11a - 2b + 7c - 3a + 9b - 5c ... see note below
(11a-3a) + (-2b+9b) + (7c-5c)
8a + 7b + 2c
note: don't forget to distribute the negative through to every term inside the parenthesis
━━━━━━━☆☆━━━━━━━
▹ Answer
8a + 7b + 2c
▹ Step-by-Step Explanation
(11a - 2b + 7c) - (3a - 9b + 5c)
Remove the parentheses
11a - 2b + 7c - (3a - 9b + 5c)
Collect like terms
8a - 2b + 7c + 9b - 5c
Final Answer
8a + 7b + 2c
Hope this helps!
- CloutAnswers ❁
Brainliest is greatly appreciated!
━━━━━━━☆☆━━━━━━━
The probability of picking a quarter from a jar of coins is 0.125. If Noah has 250 coins in the jar, about how many quarters are in the jar?
Answer:
31.25
Step-by-step explanation:
There are about 31 quarters in a the jar so if you need to round do accordingly! Have a good day
Answer:
31 quarters
Step-by-step explanation:
Have an equation set
Then you solve the equation you get 31.25
Round the number since you can't have 31.25 quarters it just doesn't make sense.
Round it to 31
Therefore your answer is 31 quarters
Hope this Helps!
THE IMAGE DOWN BELOW MATH PLEASE HELP ME WITH THIS ALEGEBRA IM CRYING YALL
Answer:
25%
Step-by-step explanation:
Let's call the factor by which production increased x.
[tex]x\cdot 84=105 \\\\\\x=\dfrac{105}{84}=1.25[/tex]
To find the percent increase, you need to subtract 1 from this value, because that represents the initial amount of robots produced. 1.25-1=0.25. Now, to find the percentage:
[tex]0.25=\dfrac{25}{100}=25\%[/tex]
Hope this helps!
Answer:
25%solution,
[tex]percent \: increase = \\ [/tex]
[tex] (\frac{105 - 84}{84}) \times 100 \: percent \\ = \frac{21}{84} \times 100 \: percent \\ = 25 \: percent[/tex]
Hope this helps..
Good luck on your assignment.
- 2x
f(x)= x +4,
4x - 7
XS-10
- 10
X2
20. Use the piecewise function to evaluate points f(-1), f(2), and f(12).
O A. f(-1) = 3, f(2) = 1, and f(12) = 41
B. f(-1) = 3, f(2) = 6, and f(12) = 41
O C. f(-1) = 2. f(2) = 1, and |(12) = 41
D. f(-1) = 2. f(2) = 6, and f(12) = 41
Answer:
[tex]f(-1) = 3[/tex]
[tex]f(2) = 6[/tex]
[tex]f(12) = 41[/tex]
Step-by-step explanation:
Given
The piece wise function can be split to:-
[tex]f(x) = -2x[/tex] [tex]x\leq -10[/tex]
[tex]f(x) = x + 4[/tex] [tex]-10<x\leq 2[/tex]
[tex]f(x) = 4x - 7[/tex] [tex]x> 2[/tex]
Required
f(-1), f(2) and f(12)
To solve for each of these functions, we first check the range they fall into, then we execute the corresponding function
Solving f(-1)
-1 is within the range of [tex]-10<x\leq 2[/tex]
Hence; we make use of [tex]f(x) = x + 4[/tex]
Substitute -1 for x
[tex]f(-1) = -1 + 4[/tex]
[tex]f(-1) = 3[/tex]
Solving f(2)
2 is within the range of [tex]-10<x\leq 2[/tex]
Hence; we make use of [tex]f(x) = x + 4[/tex]
Substitute 2 for x
[tex]f(2) = 2 + 4[/tex]
[tex]f(2) = 6[/tex]
Solving f(12)
12 is within the range of [tex]x> 2[/tex]
Hence; we make use of [tex]f(x) = 4x - 7[/tex]
Substitute 12 for x
[tex]f(12) = 4(12) - 7[/tex]
[tex]f(12) = 48 - 7[/tex]
[tex]f(12) = 41[/tex]
A large college wishes to determine the average SAT scores for students who apply from New York. They surveyed 95 students from New York and discovered a mean SAT score of 1509. Which of the statements below represent the statistic and the population, respectively, of the survey?
I. The mean SAT score of all students from New York
II. The mean SAT score of 95 students from New York
III. The 95 students who apply to the college from New York
IV. All students who apply to the college from New York
Statements I and II
Statements II and III
Statements I and IV
Statements II and IV
Answer:
statements 2 and 3
B
Step-by-step explanation:
Line segment ST is congruent to which line segment?
SK
KU
UT
TK
Line segment ST is congruent to the line segment UT.