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Helen [10]
4 years ago
6

What goes where. JdhshshHshxjancixd

Mathematics
1 answer:
valentina_108 [34]4 years ago
5 0

Answer:

\boxed { \frac{7}{5}y } \to \: \boxed {y+ \frac{2}{5}y }

\boxed { \frac{3}{5}y } \to \: \boxed {y -  \frac{2}{5}y }

Step-by-step explanation:

We need to simplify

y +  \frac{2}{5}y

We collect LCM to get;

\frac{5y + 2y}{5}  =  \frac{7y}{5}

Therefore:

\boxed { \frac{7}{5}y } \to \: \boxed {y+ \frac{2}{5}y }

Also we need to simplify:

y -  \frac{2}{5}y

We collect LCM to get;

y -  \frac{2}{5}y =  \frac{5y - 2y}{5}  =  \frac{3}{5} y

Therefore

\boxed { \frac{3}{5}y } \to \: \boxed {y -  \frac{2}{5}y }

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3 years ago
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The area of a triangular block is 81 square inches. If the base of the triangle is twice the height, how long are the base and t
Gre4nikov [31]

Answer:

18 inches and 9 inches

Step-by-step explanation:

Given, The base of a triangle is twice of the height.

Area = 81 sq inches

Let, Base (b) = 2x

Height (h) = x

Area of the triangle = \frac{1}{2}bh

\frac{1}{2}bh = 81

or, x^{2} = 8

Base = 2×9 inches = 18 inches

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5 0
3 years ago
A cube has an edge of 2.25 feet. The edge is increasing at the rate of 1.25 feet per hour. Express the volume of the cube as a f
jok3333 [9.3K]

Answer:

V(h)=(1.25h+2.25)^3

Step-by-step explanation:

Recall that the volume of a cube is given by:

\displaystyle V = s^3

Where <em>s</em> is the side length of the cube.

The edges of the cube has an original length of 2.25 feet. It increases by 1.25 feet per hour. In other words, the length <em>s</em> after <em>h</em> hours can be modeled by the equation:

s=1.25h+2.25

Substitute. Hence, our function is:

V(h)=(1.25h+2.25)^3

6 0
3 years ago
Choose all options that apply. In the US Customary System, which of the following terms is used to measure volume? O a) Cup b) T
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Answer:

Cups

Step-by-step explanation:

7 0
3 years ago
HELP WILL MARK BRAINLIEST!!
Kay [80]

Answer:

A jar contains 5 red, 4 blue, and 3 yellow marbles.

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P = 5/(5+4+3) x 4/(5+4+3-1) = 5/12 x 4/11 = 0.15 = ~0.2

Hope this helps!

:)

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4 years ago
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