MATHEMATICS MIDDLE SCHOOL

Yesterday the temperature at noon was 11.4*f, by midnight decreased by 15.7 degrees. What was the temperature at midnight?

Answers

Answer 1
Answer: the answer is 27.1 degrees. because 11.4+15.7 = 27.1.
Answer 2
Answer:

Answer:

its negative 27.1 (-27.1)

Step-by-step explanation:

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. What is the value of r? 0.2(6r − 5) = 8 A. 3.2
B. 7.5
C. 10.8
D 12.4

Answers

0.2(6r - 5) = 8 
1.2r - 1 = 8  ( by distributing 0.2 )
1.2r = 8 + 1( by adding 1 )
1.2r = 9 ( dividing 1.2 on both side )
r = 7.5 Ans

Answer:

7.5

Step-by-step explanation:

0.2(6r-5)                 =8              Distribute.

0.2(6r)-0.2 (5)         =8              Simplify.

1.2r−1                       =8              Add 1 to each side.

1.2r                          =9              Divide each side by 1.2.

1.2r/1.2                     =9/1.2        Simplify.

r                               =7.5

Hope this helps!

Brandon is painting a 28 ft by 18 ft rectangular wall in an office. Find the area of the wall. How many gallons of paint must be purchased to paint two coats on the wall if one gallon of paint covers 400 square feet?

Answers

Answer:

He will need 2 gallons of paint.

Step-by-step explanation:

28 x 18 = 504 ft

What number is 30 more than -16?

Answers

14
-16+30=14
The awsner is 14. -16 + 30 = 14. Hope i helped

Each statement describes a transformation of the graph of f(x) = x. Which statement correctly describes the graph of g(x) if g(x) = -8f(x)?

Answers

Answer:

reflection over the x-axis and a vertical compression by a factor of 8

Step-by-step explanation:

The parent function is given as

f(x) = x

The transformed graph has equation:

g(x) = - 8f(x)

The factor of 8, indicates a vertical stretch.

The negative sign indicates a reflection in the x-axis.

Therefore the transformation is a reflection over the x-axis and a vertical compression by a factor of 8.

Answer: shrunk vertically over the y axis

Step-by-step explanation:

Bedlam in a sentence. (Please don’t copy the internet.)

Answers

Answer:

i have never seen some many people at the zoo it was total bedlam

Answer:

i gave my brother my computer it was bedlam, im never going to do it again

Step-by-step explanation:

What is 3{5[10+5(500-100)+399]} equal to?

Answers

500-100=400
5(400)=2000
399+10=409
2000+409=2409
5(2409)=12045
3(12045)=36135
So it is equal to 36135

Answer:

36,135

Step-by-step explanation:

Okay. Handle 500-100 first. That brings it to 3{5[10+5(400)+399]}. Next, Handle 5(400). That brings you to 3{5{10+2,000+399]}. Then handle all the addition. That leads to 3[5(2,409)]. Next, configure 5(2409). That leads to 3(12045). Then do that one which ends as 36,135 for a final answer.
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