Answer:
C. y-1=2(x+2)
Step-by-step explanation:
A. y-7=2(x-6)-point slope form: y-y1=2(x-x1)-coordinate point: (x1,y1)=(6,7)
Now let's check that the other point works-just sub in the coordinates for the x and y variables.
y-7=2(x-6)\\-1-7=2(2-6)\\-8=2(-4)\\-8=-8
So answer choice A. goes through both points, so no.
B. y=2x-5-slope-intercept form, so just sub in both sets of coordinates separately to see if they each work.
y=2x-5\\7=2(6)-5\\7=12-5\\7=7\\equal
y=2x-5\\-1=2(2)-5\\-1=4-5\\-1=-1\\equal
Both work, so no.
C. y-1=2(x+2)-point slope form that gives us first coordinate set--(-2,1)
Except that the point is actually (2,-1) not (-2,1). That means that answer choice C is not an equation of the line thaat goes through (6,7) and (2,-1), so yes.
D. Anyway, if we check D--y+1=2(x-2)--coordinate point given: (2,-1), which is correct, so no.
What fractions are equal to 2/3
Answer:
Step-by-step explanation: yes
Answer: 4/6, 6/9, 8/12, 10/15 are all fractions equal to 2/3.
Step-by-step explanation: If you multiply both numerator and denominator in the fraction by any number, the new multiplied fraction will still be equal to the original fraction because fractions are proportionate.
For example: you can multiply 2/3 by 3.
2 x 3 = 6
3 x 3 = 9
6/9 is equal to 2/3 because the proportions are the same.
Another example: you can multiply 2/3 by 4.
2 x 4 = 8
3 x 4 = 12
8/12 is equal to 2/3 because, like before, the proportions are the same.
State the domain and range for the function f(x) = 2x^2 - 7
Answer:
2x^2 - 7
we can plug any values of x into this The domain is All Real x.
The graph will be a parabola opening upwards with a minimum value when x = 0 and f(x) will be = -7
so the range is f(x) <= -7 or (-∞, -7]
What is the degree for this polynomial 4ry2 + 3x
5
Answer:
I hope your question is 4x²+3x+5, then the degree of this polynomial is 2
5. It is known that the product of 4.5 and y is not less than 9.
(a) Formulate an inequality to represent the above relation.
(b) Write down three integers that satisfy the inequality in (a).
Solution
Answer:
(a)
[tex]4.5y \geqslant 9[/tex]
(b) 3, 4, 5
Step-by-step explanation:
(a) 4.5 × y = 9 and above
[tex]4.5y \geqslant 9[/tex]
(b)
[tex]4.5y \geqslant 9 \\ y \geqslant \frac{9}{4.5} \\ y \geqslant 2[/tex]
Possible y values = 2 and over
eg. 3, 4, 5
hope this helps :))
Check all solutions to the equation. If there are no solutions, check "None."
√x=4
O A. 2.
B. -2
C. O
D. 16
E. -16
F. None
Identify the correct representation of the expression 3(x + 2)
A (x+ 2) + (x+2) + (x + 2)
B (x + 2) ( x +2) (x + 2)
C 3x + 32
D XXX + 333
Answer:
3x + 6
Step-by-step explanation:
It's A because x + x + x = 3x and 2+2+2 = 6
If y = – 2x + 1, what is the value of y when x = 6?
Answer:
[tex]y=-11[/tex]
Step-by-step explanation:
So we have the equation:
[tex]y=-2x+1[/tex]
To find y when x is 6, substitute x for 6. Thus:
[tex]y=-2(6)+1[/tex]
Multiply:
[tex]y=-12+1[/tex]
Add:
[tex]y=-11[/tex]
So our answer is -11 :)
Answer:
The answer is -11 which means y = -11.
What is the measure of x?
Answer:
x = 78Step-by-step explanation:
[tex]m\angle BHD=180^o-x^o[/tex]
[tex]m\angle DBH+m\angle BHD+m\angle HDB=180^o\\\\47^o+180^o-x^o+31^o=180^o\\\\78^o-x^o=0\\\\x^o=78^o[/tex]
Jack bought a car for $29,000. He sold it for $10,000 3 years later. What is the percentage loss that Jack made?
Answer:
$19,000 loss
Step-by-step explanation: Cost of the car: $29,000
Cost of the car he sold for: $10,000
Total lost occurred: $29,000 - $10,000 = $19000
Therefore, the lost occurred was $19,000
What is the range of the function represented by the table?
Answer:
the answer is the second option
Step-by-step explanation:
Range is all the y values
6.
Which list shows the numbers below in order from least to greatest?
5.78, -5.9, 58%, -2
F. -5.9, -2.5.78, 58%
G. -2.-5.9, 58%, 5.78
H. -5.9, -2, 58%, 5.78
J. 58%, -23.5.78, -5.9
please solve.thank you.
Answer:
Step-by-step explanation:
let x=0.4666...
10x=4.666...
100x=46.6666...
100x-10x=46.6666... - 4.6666...
90x= 42
x=42/90
So 0.4666... is equal to 42/90
Teresa invested 3000$ in a fund for 5 years and was paid simple interest. The total interest that she received on the investment was 1350$. As a percentage, what was the annual interest rate of her investment?
Answer:
9%
Step-by-step explanation:
To find the answer, you have to use the formula to calculate the interest rate:
r=(1/t)(A/P-1), where
r=rate of interest
A=accrued amount=3000+1350=4350
P=principal amount=3000
t=time periods=5
Now, you can replace the values:
r=(1/5)*(4350/3000-1)
r=0.2*(1.45-1)
r=0.2*(0.45)
r=0.09
According to this, the annual interest rate of her investment is 9%.
Mae runs a fruit stand on Monday. She used 3/4 of a bag fruit. On Wednesday she used 1/3 as much fruit as Monday. What fraction of a bag of fruit does Mae use on Wednesday
Answer:
Mae used 1/4 of the whole bag on Wednesday.
Step-by-step explanation:
From the question, we understand that the fraction of the whole bag that Mae used on Monday is 3/4.
On Wednesday, we are then told that Mae uses 1/3 as much fruit as on Monday.
This means that Mae uses 1/3 of the fruits she used on Monday. The fruits she used on Monday was actually 3/4 of the whole.
This means that on Wednesday, Mae used 1/3 of 3/4 fruits.
In Mathematics, the word "of" there stands for multiplication. Hence, Mae used 1/3 X 3/4 = 1/4 of the whole bag
Mae used 1/4 of the whole bag
This table represents the proportional relationship between the number of boxes and the number of magnetic cubes held by the boxes. Cubes Boxes Number of cubes 1 n 5 625 8 1,000 What is the unknown value representing the unit rate?
Answer:
125
explanation:
I took the 2020 mathematics edg test
Answer:
B) 125
Step-by-step explanation:
I took the quiz.
6 people equally share bill rs 98.10 how
Answer:
16.35Rs would be paid by everyone.
Step-by-step explanation:
98.10/6
=16.35Rs would be paid by everyone.
Hope it will help you :)
Liam is going to a carnival that has games and rides. Each game costs $5 and each ride costs $3.50. How much would Liam have to pay if he wanted to play 3 games and go on 8 rides? How much would Liam have to pay if he wanted to play g g games and go on r r rides
Answer:
$43
Step-by-step explanation:
You have to find how much he is paying for his games and how much he is paying for his rides, then add them together.
5(3) = $15 (games)
8(3.5) = $28 (rides)
28+15 = 43
Help me out with this one anyone
Step-by-step explanation:
x is 10
FO is x+10
OG is 10+10
FG is x+3x
F is the mid point of EG . If EF = 5x and EG = 7x + 5, what is EG?
5=z/4−3 This is algebra 1
Answer:
z = 32
Step-by-step explanation:
Add 3 to both sides.
5 + 3 = z/4 -3 + 3
8 = z/4
Multiply 4 on both sides. 8 times 4 is 32.
32 = z
I need the following solutions to the following equations.
3(4x-3) -19=8x -4
-6y+14=32-4y
-28+5-3x=2-2x
Answer:
x = 6
y = -9
x = -25
Step-by-step explanation:
1st Equation
Step 1: Write out equation
3(4x - 3) - 19 = 8x - 4
Step 2: Solve
12x - 9 - 19 = 8x - 4
12x - 28 = 8x - 4
4x - 28 = -4
4x = 24
x = 6
2nd Equation
Step 1: Write out equation
-6y + 14 = 32 - 4y
Step 2: Solve
-2y + 14 = 32
-2y = 18
y = -9
3rd Equation
Step 1: Write out equation
-28 + 5 - 3x = 2 - 2x
Step 2: Solve
-23 - 3x = 2 - 2x
-23 = 2 + x
-25 = x
x = -25
Select all the true statements. protractor with ray lq at 0 or 180, ray lp at 50 or 130, ray ol at 90, ray ln at 60 or 120 and ray lm at 0 or 180. Group of answer choices LaTeX: m\angle QLP\:+\:m\angle PLO=m\angle MLN+m\angle NLO m ∠ Q L P + m ∠ P L O = m ∠ M L N + m ∠ N L O m ∠ Q L P + m ∠ P L O = m ∠ M L N + m ∠ N L O m ∠ Q L P + m ∠ P L O = m ∠ M L N + m ∠ N L O LaTeX: m\angle NLO+m\angle OLP\:=\:m\angle NLP m ∠ N L O + m ∠ O L P = m ∠ N L P m ∠ N L O + m ∠ O L P = m ∠ N L P m ∠ N L O + m ∠ O L P = m ∠ N L P LaTeX: m\angle QLO-m\angle QLP\:=\:m\angle MLO-m\angle MLN m ∠ Q L O − m ∠ Q L P = m ∠ M L O − m ∠ M L N m ∠ Q L O − m ∠ Q L P = m ∠ M L O − m ∠ M L N m ∠ Q L O − m ∠ Q L P = m ∠ M L O − m ∠ M L N LaTeX: m\angle\:MLN\:=\:120 m ∠ M L N = 120 m ∠ M L N = 120 m ∠ M L N = 120 LaTeX: m\angle QLP\:=50
Answer:
m ∠ M L N = 120
m < QLP =50
Step-by-step explanation:
Ray lq at 0 or 180,
ray lp at 50 or 130,
ray ol at 90,
ray ln at 60 or 120
and ray lm at 0 or 180
Lets substitute the values of the angles to check the given options
1) ∠ Q L P + m ∠ P L O =m< MLN+m< NLO m
50 +40= 120+30
90 is not equal to 150
2) m < QLO- m < QLP =m < MLO-m< MLN m
90-50 = 90-120
40 is not equal to 30
3) m< MLN\:=\:120 From the figure based on observation this is correct.
4) m < QLP =50 From the figure based on observation this is also correct.
Answer:
Given: Angle L N O ≅ Angle L N M
Angle O L N ≅ Angle M L N
Prove: Angle L N O ≅ Angle L N M
Triangles L O N and L M N share common side L N. Angles O L N and N L M are congruent. Angles O N L and L N M are congruent.
It is given that angle LNO is congruent to angle
✔ LNM
and angle OLN is congruent to angle
✔ MLN
. We know that side LN is congruent to side LN because of the
✔ reflexive property
. Therefore, because of
✔ ASA
, we can state that triangle LNO is congruent to triangle LNM.
Step-by-step explanation:
Jungkooks birthday is coming up! How old will he be?
Answer:
23
Step-by-step explanation:
Since Jungkook's birthday is on September 1, 1997, that makes him 22 for now. When September 1st, 2020 occurs, he will be 23.
4. Tom made a square measuring 8 feet by 8 feet, and had 18 friends stand inside it as if they are watching a band
at a small club. Find the ratio of this number to the rectangle's area. Choose the appropriate label for this ratio.
Answer:
9 people per 32 square ft
(or 9:32)
Step-by-step explanation:
First find the area:
8*8=64 sqr ft
Next create a ratio
18 people to 64'sqr
Now we try reducing
18/2 = 9
64/2 = 32
So the final ratio is 9 people per 32 square ft
9:32
Hope this helps! :)
Someone please help me outttt
WET
Problem
Find the circumference of the circle below.
22
Use 7 for pi.
r = 10.5mm
Answer:
66mm
Step-by-step explanation:
The circumference of a circle is given by
C =2 pi r
22/7 * 2( 10.5)
22/7 * 21
66
Kimberly went to a new animated monster movie yesterday afternoon. When she went into
the movie theater, the outside temperature was -8°F. By the time she left the theater, the
temperature had decreased by 6°F.
What was the temperature when Kimberly left the theater?
Explanation:
Draw a vertical number line. At the center is 0. Anything above this marker represents positive temperatures. Anything below 0 is negative. So we'll have -8 below 0. Move 6 spaces down to go from -8 to -14. You can think of it as moving 6 floors down a building to go from basement level 8 to basement level 14.
Divide. Enter your answer as a fraction in simplest form.
2/5 divided by 14/15
The solution is
Answer:
[tex]\frac{1}{7}[/tex]
Step-by-step explanation:
[tex]\frac{2}{5} / \frac{14}{5}\\\frac{2}{5} * \frac{5}{14} \\\frac{1}{7}[/tex]
Which expression converts 100 inches per minute to feet per minute?
100 Inches
I minute
60 minutes
1 hour
100 inches
1 minute
1 hour
60 minutes
100 inches
1 minute
1 foot
12 inches
100 inches
1 minute
12 inches
1 foot
Solve for y. 12x +2y = 26x -70 a) y= 7x - 35 b) y= 20x -35 c) y= 2x + 72 d) x= 2y +36x -70 I CAN'T TELL IF IM DUMB OR NOT
Answer:
Step-by-step explanation:
12x + 2y = 26x - 70
2y = 14x - 70
y = 7x - 35
the answer is A
Answer:
a
Step-by-step explanation:
Given
12x + 2y = 26x - 70 ( subtract 12x from both sides )
2y = 14x - 70 ( divide all terms on both sides by 2 )
y = 7x - 35 → a
The diagram shows the amount of fabric that Christine needs to make 1 tablecloth, including the fabric that will hang over the sides. The fabric costs $1.50 per square foot. Christine plans to make 1 tablecloth for each of the 4 seasons of the year. What is the total cost of the fabric that Christine needs for the tablecloths?
what diagram?? I would multiply 1.50 by 4 then multiply 6.00 by the total surface area to get the total cost.