MATHEMATICS MIDDLE SCHOOL

Solve and check
7/8h-5/8=2

Answers

Answer 1
Answer: (7)/(8)h-(5 )/(8)=2 \ \ |+(5)/(8)\n \n(7)/(8)h=2+(5 )/(8)\n \n(7h)/(8)=(16)/(8)+(5 )/(8) \n \n(7h)/(8)=(21)/(8) \ \ / *8\n \n 7h=21 \ \ /:7 \ \ \n \nh=(21)/(7)\n \nh=3
Answer 2
Answer: (7)/(8)h-(5)/(8)=2

8((7)/(8)h-(5)/(8))=8(2)

7h-5=16

(7h)/(7)=(21)/(7)

h=3

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How do you solve 5 is _____ % of 25

Answers

Let the missing % be x.

Now, according to your question ;

5 = x% of  25

5 = x / 100 * 25

thus, 25x = 500

Thus, x = 500/25

= 20

Thus, 5 is 20% of 25.
Just put 5 over 25 and then simplify to get 1/5. Now put that into a decimal (.2) then put that decimal into percent form, 20%

What is the value of the function f(x) = –x + 4 when x = –2?

Answers

value of the function is 6, i think so

How to solve 2+1/6a=-4

Answers

2+ (1)/(6a) =-4\Leftrightarrow 6+(1)/(6a)=0\Rightarrow 36a=-1\Rightarrow a=-1/36
2+ (1)/(6)a=-4

(1)/(6)a=-6

1a=-6*6

a=-36

~~~50 POINTS~~~

Please help me on these five questions.

Answers

so if talking about points on a graph then
a. x is made negative or opposite of what it is
basically, the x point would go x units from the zero line in the other way it is currently ie. reflected across the x axis

b. both x and y are positive,
basically the figure would be reflected across the x axis then reflected across the y axis (or y axis then x, doesn't matter)

c. y times 2
y is 2 times as high (gets bigger)

d. 2/3 times x
x is 2/3 as much as it was before (gets smaller)

e. 1/2 x and 1.5 y
x get's half smaller and y gets 1.5 bigger (x gets smaller, y gets bigger)
A) When x is made negative, it gets reflected over the x-axis.

B) When x and y is made negative, it gets reflected over the x-axis and y-axis.

C) Every y-value from the equation would be multiplied by 2, thus changing the shape of the graph. The slope is divided by 2.

D) Every x-value from the equation would be multiplied by 2/3, thus changing the shape of the graph. The slope is divided by 2/3.

E) x-values are divided by 2 and y-values are multiplied by 1.5.

What is the volume of a rectangular prism with length 9 ft, height 5 ft, and width 6 ft? V = lwh _____ ft³

Answers

Multiply 9x5x6=270 hope this helps it’s really easy too!
As shown in your question your equation should be...
V = LWH or Volume = Length x Width x Height

Now Solve!
=====================================================================
SOLVING...

Volume = 9 x 6 x 5
Volume = 54 x 5
Volume = 270

A rectangle has a perimeter of 52 cm and an area of 144 square cm. Find its length and width if they are in whole numbers.

Answers

The length of the rectangle will be 18 cm.

The width of the rectangle will be 28 cm.

What is mean by Rectangle?

A rectangle is a two dimension figure with 4 sides, 4 corners and 4 right angles. The opposite sides of the rectangle are equal and parallel to each other.

Given that;

The perimeter of rectangle = 52 cm

An Area of a rectangle = 144 cm²

Let the length of the rectangle = l

The width of the rectangle = b

So, We get;

⇒ 2 (l + b) = 52

⇒ l + b = 26  ..(i)

And, l x b = 144   ..(ii)

Since, (l - b)² = (l + b)² - 4lb

                   = (26)² - 4 × 144

                   = 676 - 576

                   = 100

⇒ l - b = √100

⇒ l - b = 10  ..(iii)

Solve equation (i) and (iii), we get;

⇒ l = 18 cm

⇒ b = 28 cm

Thus, The length of the rectangle will be 18 cm.

The width of the rectangle will be 28 cm.

Learn more about the rectangle visit:

brainly.com/question/25292087

#SPJ2
8 and 18:
8+8+18+18= 52
8*18 = 144

Tada!
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