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ddd [48]
3 years ago
8

How does this diagram help show that 2/7 = 8/28

Mathematics
1 answer:
Sveta_85 [38]3 years ago
5 0
This diagram shows how 2/7 = 8/28 by showing that you can color in more squares or duplicate that amount of squares 4 times in order to get 8/28. (Since 2/7 x 4/4 = 8/28.)
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Y varies inversely with x, and k (the constant of variation) = 1.24. What is the value of y when x = 4.96?
V125BC [204]

Answer:= y = 0.25 to the nearest hundredth.

Step-by-step explanation:

In inverse variation, both variables move in opposite directions. This means that as variable 1 increases, variable 2 reduces and as variable 1 reduces, variable 2 increases.

Y varies inversely with x.

So as y increases, x reduces and as y reduces, x increases.

We would proceed by introducing a constant of variation, k

y = k/x

From the information given,

The constant of variation, k = 1.24

The value if x = 4.96

To find the value of y

y = k/x = 1.24/4.96

= 0.25 to the nearest hundredth.

6 0
3 years ago
Will give BRAINLIEST, please answer quickly, easy question
Naya [18.7K]

Answer:

A =576 pi in ^2

Step-by-step explanation:

Circumference  is given by

C = 2 * pi *r

48 pi = 2 * pi *r

divide by 2 pi

48 pi /2 pi = 2 * pi * r / 2 pi

24 = r

We can find the area by

A = pi r^2

A = pi (24)^2

A =576 pi in ^2

8 0
3 years ago
Read 2 more answers
Pamela purchased a home for $219,500 and made a 30% down payment. She will borrow the remaining amount. What is the amount of he
Zielflug [23.3K]

153650

that's the answer

6 0
3 years ago
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The Food Co-op Club boasts that it has 5,000 members and a 200% increase in sales. Their markup is 36% based on cost. What would
Lady bird [3.3K]

Answer: 26.47%

Step-by-step explanation:

Given the following :

markup based on cost = 36%

Assume a cost of $50

$50 × 1.36 = $68

Now, markup based on the selling price ;

$68 - $50 = $18

Therefore, ratio of cost price to selling price :

18 / 68 = 26.47%

8 0
3 years ago
A)x 1/9
STALIN [3.7K]

Answer:

Answer should be x^9

Step-by-step explanation:

This equation looks really complicted, but it's actually much easier when you break it down! First, your going to multiply the fraction 3/2 by 6 - since one is a fraction, youre going to find the GCF, or Greatest Common Factor, and reduce it. The GCF in this equation is 2, so we eliminate the two from the fraction (making it just 3) and divide 6 by 2 (getting 3). Thus, we are left with (x^3)^3 -> 3 x 3 = 9. So we are left with x^9. I hope this helps!

5 0
3 years ago
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