Answer:
Simplify the expression.
30.9ft
Step-by-step explanation:
you ' re welcome ! grandma loves you < 33 ; )
Work out the size of angle x
Answer:
104 degrees
Step-by-step explanation:
90 + 54 + 132 = 276
360 - 276 = 104
If you reflect the segment with endpoints (3,2) and (-4, 3) across the line y=-X,
what are the coordinates of the new points? *
help plz
Greetings from Brasil...
Here is the graphical explanation in the annex.
A = (-4; 3)
B = (3; 2)
(segment BLUE)
After reflection on F(X) we will get the segment GREEN
note that the length M = M and N = N
A' = (-3; 4) B' = (-2; -3)The low temperatures for a week in Edmonton, Alberta are -15 C, -12 C, -10 C, -12 C, -18 C, -20 C, and -25 C. What is the mean low temperature for the week? Show your work PLZ
-15.7
Step-by-step explanation:
2
-15
-12
-10
-12
-18
-20
-25
-------
-110
7 divide by -110=-15.7
What is the value of y when -5=y-7/9? A) -7 B) -11 C) -38 D) -52
Answer:
C) -38
Step-by-step explanation:
[tex]-5=y-7/9\\-5+7/9=y-7/9+7/9\\-38/9=y[/tex]
I guess closest answer is C
A line segment can be drawn between any two points.
A. Conjecture
B. Definition
C. Postulate
D. Conditional statement
Solve for x. 7/8(−32−48x)+36 =2/3(−33x−18)−10x
Isolate the variable by dividing each side by factors that don't contain the variable.
x = 2
Answer:
x=2
Step-by-step explanation:
7/8(-32)-7/8(48x)+36=2/3(-33x)-2/3(18)-10x
= -224/8-336x/8+36
=-66x/3-36/3-10x.
Simplifying the fractions
-28-42x+36=-22x-12-10x.
Combining like terms
-42x+8=-32x-12.
Add 32x to both sides:
-42x+8+32x=-32x-12+32x
-10x+8=-12.
Subtract 8 from both sides:
-10x+8-8=-12-8
-10x=-20.
Divide both sides by -10:
-10x/-10 = -20/-10
x=2.
Solve the system of equations.
2x + 7y = 3
x= -4y
Answer:
(12, -3)
Step-by-step explanation:
You can solve it algebraically or graphically. Graphically you find the intersection point. Algebraically with substitution/elimination.
whats 2/3x+3/7=1-4/7x
Answer:
[tex]x=6/13[/tex]
Step-by-step explanation:
So we have:
[tex]\frac{2}{3}x+\frac{3}{7}=1-\frac{4}{7}x[/tex]
Remove all the fractions to make things simpler. To do so, we can multiply by the LCM of the denominators.
The denominators are 3 and 7.
The LCM of 3 and 7 is 21. Thus, multiply everything by 21:
[tex]21(\frac{2}{3}x+\frac{3}{7})=21(1-\frac{4}{7}x)[/tex]
Distribute:
[tex]\frac{42}{3}x+\frac{63}{7}=21-\frac{84}{7}x[/tex]
Simplify the fractions:
[tex]14x+9=21-12x[/tex]
Add 12x to both sides:
[tex]26x+9=21[/tex]
Subtract 9 from both sides:
[tex]26x=12[/tex]
Divide both sides by 26:
[tex]x=12/26[/tex]
Reduce:
[tex]x=6/13[/tex]
And that's our answer :)
Answer: x = 6/13
find the common denominator (21);
14/21x + 9/21 = 21/21 - 12/21x
move your variable to one side and your constants to the other:
26/21x = 12/21
multiply all by 21/26 to get a lone x:
x = 12/26
simplify:
x = 6/13
Find an equation of the line that passes through the given point and has the indicated slope m.
Answer:
y = [tex]\frac{4}{5}[/tex] x + 2
Step-by-step explanation:
The equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
Here m = [tex]\frac{4}{5}[/tex] , thus
y = [tex]\frac{4}{5}[/tex] x + c ← is the partial equation
To find c substitute (- 5, - 2) into the partial equation
- 2 = - 4 + c ⇒ c = - 2 + 4 = 2
y = [tex]\frac{4}{5}[/tex] x + 2 ← equation of line in slope- intercept form
r^4/9 translated verbal expression
Answer:
The quotient of 4 and 9 raised to the power of r.
Step-by-step explanation:
The verbal translation of [tex]r^{\frac{4}{9} }[/tex] is r to the power four-tenths.
Given,
[tex]r^{\frac{4}{9} }[/tex]
We have a number r with power 4 / 9.
we need to translate it into verbal form.
What are exponents and power?If a number is expressed in this form - [tex]A^{B}[/tex]
A = base and B = exponents.
We can say that a number has base A with exponents B.
There are many ways to verbally express a given number.
Example:
3 / 2 = 3 divide by 2.
[tex]6^{2}[/tex] = six to the power two.
3 x ( 3 + 2 ) = three multiplied with the addition of three and two.
7 x [tex]8^{3}[/tex] = seven multiplied by 8 to the power three.
[tex]3^{\frac{1}{7} }[/tex] = three to the power of one-tenths.
We are given,
[tex]r^{\frac{4}{9} }[/tex]
We can say that the base is r and the exponent is 4/9.
or
we can also say r to the power four-tenths.
Thus the verbal translation of [tex]r^{\frac{4}{9} }[/tex] is r to the power four-tenths.
Learn more about verbal translation here:
https://brainly.com/question/16713965
#SPJ2
Margo spends 0.25 of her paycheck on a new dress, One-eighthof her paycheck on shoes, and $24 on a birthday present. If she spent $60 altogether, how much was Margo’s paycheck?
Answer:
96
Step-by-step explanation:
.25x + .125x + 24 = 60
.25x + .125x = .375x
.375x + 24 = 60
60 - 24 = 36
.375x = 36
36/ .375
x = 96
Answer:
96
Step-by-step explanation:
I TOOK IT ON EDGGGGGGG
please help I guess..
Answer:
the third 1 ( his car is slowing down)
What is the decimal of the fraction 7/9?
Answer:
0.77777777777777777777777777777777(the 7 repeats forever)
Step-by-step explanation:
Answer: 0.78
To find the decimal of a fraction, you divide the numerator by the denominator. 7 ÷ 9 is equal to 0.77777... which is equal to 0.78 when rounded.
I have few questions i need help on 1. A student scored 65 marks out of a total marks off 100 in a test, what is his percentage score .
2. if i add 2 to a number and then triple the sum , the result is two times what i get when i add 4 to the number what is the number.
3a. simplify
[tex]1 - (2 \frac{1}{3} \times 1 \frac{1}{4} ) + \frac{3}{5} [/tex]
b Evaluate
[tex] \frac{1}{3} \div ( \frac{5}{7} ( \frac{9}{10} - 1 + \frac{3}{4} ) [/tex]
in this questions i used BODMAS still its saying I'm wrong pls help .
4. Find the sum of three consecutive even numbers if there mean is 24.
5. The sum of four consecutive odd numbers is 72,find the numbers.
6. if when 4 is added to half a number ,the result is 8 , what is the number?
7. change the expression
[tex] \frac{14}{13 - 3} [/tex]
into words .
8. A customer paid 500 naira after a discount of 10% had been allowed. what was the marked price of the article ?
9. a salesman is paid 5% on his first 50 000 naira sales,10% of the next 30 000 naira and 20% of all sales in excess of 80 000 naira . calculate his commision on sales totalling 100 000 naira .
10. Find the multiplicative inverse of the following of each numbers
a 3
b -2
c 5x
11. find the additive inverse of the following
a. + 0.27
b. + 13
c. -6
That's all .
Answer:
1. His percentage score is 65%
[tex] |x + 9| - 4 = 2x[/tex]
Find the find the solutions
Answer:
x = 5 when x >=-9
Step-by-step explanation:
| x + 9 | - 4 = 2x
x + 9 - 4 = 2x
x - 2x = 4 - 9
-x = - 5
x = 5
x < - 9 no solution
| x + 9 | - 4 = 2x
| -10 + 9 | - 4 = 2(-10)
| -1 | - 4 = -20
1 - 4 = -20
-3 = -20
x >= -9 no solution only x = 5
| x + 9 | - 4 = 2x
| -9 + 9 | - 4 = 2(-9)
| -1 | - 4 = -18
1 - 4 = -18
-3 = -18
It takes 22 minutes for 10 people to paint 10 walls. How many minutes does it take 14 people to paint 14 walls?
Answer:
22 minutes
Step-by-step explanation:
The number of minutes and number of people are inversely proportional but the number of people, minutes painted and walls painted are directly proportional. Therefore, it takes 10 people 22 / 10 = 2.2 minutes to paint 1 wall and 2.2 * 14 = 30.8 minutes to paint 14 walls. To find the time it takes 14 people to paint 14 walls, we can set up the following equation:
14 * x = 30.8 * 10 (where x is our answer)
x = 30.8 * 10 / 14 = 22 minutes
Additionally, an easier way to do this is to recognize that 1 person paints 1 wall when 10 people paint 10 walls in 22 minutes so as long as the number of people and walls are the same, it will always take 22 minutes.
simplify 7 to 6th power to 7 to the 5th power
Express 160 kilometers per hour in miles per hour.
Answer:
It would be exactly 99.4194 mph
Step-by-step explanation:
For an for an approximate result, divide the kilometer speed value by 1.609
Answer:
100miles/hour
Step-by-step explanation:
1mile = 1.6km
gabrielle took a spanish test with 50 questions and answered 44 of then correctly. what percent of the questions did gabrielle answer correctly?
Answer:88%
Step-by-step explanation:
Percent means out of hundred. If you try to find what percentage something is out of a larger number, you multiply the fraction by 100%.
Our fraction in this case is 44/50.
(44/50) × 100% simplifies to (using a common factor of 2) (22/25) × 100% (2 goes into 44 twenty-two times, and into 50 twenty-five times). 100 and 25 share a common factor of 25, so this fraction can further be simplified to (22/1) × 4% (25 goes into itself once, and into 100 four times). 22/1 is the same as 22. 22 × 4% = 88%. And that's your answer.
Use the Functions given to evaluate
f(g(-1)) =
The answer would be -fg But, I'm not so sure about the graph so sorry!
how many terms in 9a+11p
Answer:
2 terms
Step-by-step explanation:
Terms are nothing but the mixtures of co-effecients and their variables..
Here, 9a is one term while 11p is the other
Answer:
2
Step-by-step explanation:
9a is a term and 11p is a term.
Graph h(x) = 4|x + 4|+3.
Answer:
Use a graphing calculator.
Step-by-step explanation:
Use at least 3 points to graph.
Use a graphing calculator
mary won £5000 in a competition .she used the money to pay for herself and 8 friends to go on a holiday. Flights cost £279 for each of them. Accommodation costs £184 for each of them. how much of the £5000 did she have left after paying for flights and accommodation for herself and the 8 friends
Answer:
the answer is £833
Step-by-step explanation:
Mary have £5000.
8 friends + Mary = 9 people
flight = £279 × 9
= £2511
accomodation = £184 × 9
= £1656
flight + accomodation = £4167
£5000 - £4167
= £833
Evaluate the following function for x=−4 f(x)=2x+5 A −13 B −3 C 13 D 3
Answer:
[tex]\huge\boxed{B. \ -3}[/tex]
Step-by-step explanation:
[tex]f(x) = 2x+ 5[/tex]
Put x = -4
[tex]f(-4) = 2(-4) + 5\\f(-4) = -8+5\\f(-4) = -3[/tex]
I NEED THIS ANSWER BY TONIGHT!!!! How many gallons of a 90% antifreeze solution must be mixed with 100 gallons of 20% antifreeze to get a mixture that is 80% antifreeze? Use the six-step method.
Answer:
Solution : 600 gallons
Step-by-step explanation:
Let's say that x is the gallons of 90% antifreeze solution. Let's start by converting each percent to decimal form.
90% = 0.9
20% = 0.2
80% = 0.8
Knowing that we have the following set up,
0.9(x) + 0.2(100) = 0.8(x + 100) ⇒ 0.8 is associated with " x + 100 " as it is a mixture of the gallons of the 90% antifreeze solution, and the gallons of the 20% antifreeze solution
We can solve for x in this equation, and receive our solution. This is represented by the following attachment. It proves that there are 600 gallons of the 90% antifreeze solution.
(3х + 2) 2
What is the answer
If you meant to say (3x+2)^2, then the answer is 9x^2+12x+4
=============================================
Explanation:
You would use the FOIL rule to get
(3x+2)^2
(3x+2)(3x+2)
(3x)*(3x) + (3x)(2) + 2(3x) + 2*2
9x^2 + 6x + 6x + 4
9x^2 + 12x + 4
Ezequiel's Biology marks are 8.3, 6.8 and 9.4 out of 10. His final grade in Biology is the mean of these three marks. b Calculate the final grade that Ezequiel found.
Step-by-step explanation:
The mean is the average.
(8.3 + 6.8 + 9.4) / 3
≈ 8.2
what is 7vr - (-7rv)=
Answer:
14vr
Step-by-step explanation:
7vr - (-7rv)=
Subtracting a negative is like adding
7vr + (7rv)=
Changing the order of rv to vr
7vr + (7vr)=
Combing like terms
14vr
given the equation y = 2x - 8, find the ordered-pair solution when x = 4 and the ordered-pair solution when y = 4
Answer:
When x = 4, (4, 0)
When y = 4, (6, 4)
Step-by-step explanation:
To find the ordered-pair solution when x = 4, plug 4 into the x of the equation.
y = 2x - 8
y = 2(4) - 8
y = 8 - 8
y = 0
This produces the ordered pair (4, 0).
To find the ordered-pair solution when y = 4, plug 4 into the y of the equation.
y = 2x - 8
4 = 2x - 8
12 = 2x
6 = x
x = 6
This produces the ordered pair (6, 4).
71, X
The symbol U represents the union of two sets. What do you think the
notation represents?