Mathematics Middle School

$75 to $25
Here’s what you’re supposed to do: Find each percent of change. Round to the nearest whole percent. State whether the percent of change is an increase or a decrease.

Answers

Answer 1

Answer:

decrease

Step-by-step explanation:

Have a good day

Related Questions

There are 15 girls in the class and 8 boys. Lauren says that the ratio of girls to boys is equivalent to 30 : 18. Is Lauren correct?

Answers

Answer:

No

Step-by-step explanation:

If 15 x 2=30 and 8x2=16 not 18 it’s incorrect

Answer:

No, Lauren is not correct because the ratio is actually 15:8 this is because the ratio represents the number of boys to girls. The only way to show this equation in ratio notation would to say 15:8. Therefore Lauren is incorrect.

Step-by-step explanation:

Hope this helps.

please solve this question asap :)

Answers

Answer:

36.695 approx 36.7

Step-by-step explanation:

find the area of the top triangle and then add it to the area of the bottom rectangle

Area of the triangle: (bh)/2

3.5*4.1=14.35

14.35/2=7.175

Area of the rectangle: bh

4.1*7.2=29.52

Total (add the two values)

29.52+7.175

=36.695

The answer is b I took this quiz before

I need help... I honestly don’t know.

Answers

Answer:

∡ABC=55°

Step-by-step explanation:

Step 1: Identify all angles

∠A=(x+45)°

∠B=(6x+5)°

∠C=(3x)°

∠ABC=(180-∠B)°=(180-(6x+5))°

Step 2: Use the Triangle Angle Sum Theorem

∠A+∠ABC+∠C=180°

(x+45)+(180-(6x+5))+(3x)=180

x+45+180-6x-5+3x=180

-2x+45+180-5=180

-2x+45-5=0

-2x+40=0

-2x=-40

x=20

Step 3: Plug in x=20 for ∠ABC

∠ABC=(180-(6x+5))°

(180-6(20)-5)°

(180-120-5)°

(60-5)°

55°

So ∡ABC=55°

Answer:

∡ABC=55°

Step-by-step explanation:

Step 1: Identify all angles

∠A=(x+45)°

∠B=(6x+5)°

∠C=(3x)°

∠ABC=(180-∠B)°=(180-(6x+5))°

Step 2: Use the Triangle Angle Sum Theorem

∠A+∠ABC+∠C=180°

(x+45)+(180-(6x+5))+(3x)=180

x+45+180-6x-5+3x=180

-2x+45+180-5=180

-2x+45-5=0

-2x+40=0

-2x=-40

x=20

Step 3: Plug in x=20 for ∠ABC

∠ABC=(180-(6x+5))°

(180-6(20)-5)°

(180-120-5)°

(60-5)°

55°

So ∡ABC=55°

PLEASE HELP ME WITH DIS ONE. Plz don't answer if you don't know or you want the points, I actually need help. :(

Answers

Answer:

-78

Step-by-step explanation:

3 | 3+2*-5 | squared  - ( 3*-5 ) squared

3*49  -  225

147-225

-78

( Sry I couldn't add the exponent so I said squared instead ) Hope this helped, Have a Great Day!!

-78 hope this helped :’)

What is the value of the x variable in the solution to the following system of equations? 4x + 2y = 12
x − y = 3

A) 0
B) -3
C) 3
D) 2

Answers

Answer

c 3

Step-by-step explanation:

i belive because if y was 0 it would work

Answer:

C. 3

Step-by-step explanation:

Ways to solve this:

x - y = 33 - y = x

think what - what = 3

3 - 0 = 3

Hope this helps

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