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3 years ago

I need help with both questions please !!!!!

Mathematics

2 answers:

Lubov Fominskaja [6]3 years ago

8 0

Answer: z=5w-3 and y=7(x+2)

Step-by-step explanation:

Keith_Richards [23]3 years ago

5 0

Answer:

a) z=5w-3

we have w, so we multiply it by 5 to make it 5w

and then we subtract 3 to make it 5w-3

w⇒ ×5 ⇒ -3 ⇒ z

b) x⇒ +2 = x+2

Now × 7 makes it 7(x+2)

so y=7(x+2)

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3 years ago

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3 years ago

cert 22.2 U To 3. Draw an area diagram to find (0.36) (0.53). Label and organize your work so that it can be followed by others.

Masteriza [31]

The result of the product of (0.36) and (0.53) is 0.1908

<h3>How to determine the product</h3>

The product expression is given as:

(0.36) * (0.53)

Rewrite the product as follows:

$(0.36) * (0.53) = (0.3 + 0.06) * (0.5 + 0.03)$

Expand the product

$(0.36) * (0.53) = 0.3 * (0.5 + 0.03)+ 0.06 * (0.5 + 0.03)$

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$(0.36) * (0.53) = 0.15 + 0.009+ 0.03+ 0.0018$

Evaluate the sum

$(0.36) * (0.53) = 0.1908$

See attachment for the area diagram of the product

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brainly.com/question/10873737

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2 years ago

How to solve problem

sergey [27]

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3 years ago

The quantity q varies inversely with the square of m and directly with the product of r and x. When q is 2.5, mis 4 and the

saveliy_v [14]

Answer:

The constant of proportionality is 5.

Step-by-step explanation:

If the quantity q varies inversely with the square of m and directly with the product of r and x, then the variation equation is

$q=k\frac{rx}{m^2}$

When q=2.5, m= 4 and the

product of rx = 8.

We plug in this values to get;

$2.5=k(\frac{8}{4^2})$

$2.5=k(\frac{8}{16})$

$2.5=\frac{1}{2}k$

Multiply both sides by 2

$k=2.5\times 2=5$

The constant of proportionality is 5.

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3 years ago

Read 2 more answers