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Lelu [443]
3 years ago
12

Four over seven equals twelve over g A. 21 B. 15 C. 24 D. 3

Mathematics
2 answers:
NeTakaya3 years ago
8 0

Answer:

21

Step-by-step explanation:

4       12

---- = -----

7        g

Using cross products

4g = 7*12

4g = 84

Divide each side by 4

4g/4 = 84/4

g = 21

tresset_1 [31]3 years ago
5 0

It is simple moscaculation it is 21

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Trapezoid MNPQ is similar to Trapezoid RSTU. What is the length of the "x" on the misside side NP ? Also, what is the length of
ivolga24 [154]

Answer:

x =  15

y =  25

Step-by-step explanation:

Given

See attachment for MNPQ and RSTU

Required

Find x and y

To solve this question, we make use of equivalent ratios of corresponding side lengths.

The ratio of corresponding sides are:

MN : RS

NP : ST

PQ : TU

MQ : RU

From the attachment, we have:

MN : RS \to 18 : 30

NP : ST \to x : 25

PQ : TU \to 15 : y

To solve for x, we equate MN : RS and NP : ST

18 : 30 = x : 25

Express as fraction

\frac{18 }{ 30 }= \frac{x }{ 25}

Make x the subject

x =  25 * \frac{18 }{ 30 }

x =  \frac{25 * 18 }{ 30 }

x =  \frac{450}{ 30 }

x =  15

To solve for y, we equate MN : RS and PQ : TU

18 : 30 = 15 : y

Express as fraction

\frac{18 }{ 30 }= \frac{15 }{ y}

Make y the subject

y = 15 * \frac{30 }{ 18 }

y =  \frac{15 *30}{ 18 }

y =  \frac{450}{ 18 }

y =  25

8 0
2 years ago
There are 7 red, 8 green, and 6 blue marbles
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3 years ago
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3 years ago
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Margarita [4]

Answer:

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Step-by-step explanation:

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