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2 years ago

7

Find the missing number

2 answers:

pogonyaev2 years ago

7 0

12
You want to find an equivalent ratio with 2:3. As the question already gives you 8 where 2 used to be, you need to find out what change occurred to get from 2 to 8 (a multiplication of 4). To find the missing part of the ratio, multiply 4 with 3 to get 12.

nignag [31]2 years ago

6 0

Answer:

2:3 = 8:12

Explanation:

2/8= 4

3 X 4 = 12

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A triangle with an area of 202.5 has a height that measures 15 find its base

Papessa [141]

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202.5 = 1/2 * base * 15

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= 27 answer

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2 years ago

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Two possible solutions of √11-2x=√x^2+4x+4 are –7 and 1. Which statement is true? A) Only x = –7 is an extraneous solution.

11111nata11111 [884]

Answer:

Option D)Neither solution is extraneous.

Step-by-step explanation:

we have

$\sqrt{11-2x}=\sqrt{x^{2}+4x+4}$

we know that

two possible solutions are x=-7 and x=1

<u><em>Verify each solution</em></u>

Substitute each value of x in the expression above and interpret the results

1) For x=-7

$\sqrt{11-2(-7)}=\sqrt{-7^{2}+4(-7)+4}$

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therefore

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2) For x=1

$\sqrt{11-2(1)}=\sqrt{1^{2}+4(1)+4}$

$\sqrt{9}=\sqrt{9}$

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therefore

x=1 is not a an extraneous solution

therefore

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7 0

2 years ago

Read 2 more answers

1 Find the measure of angle B <br>

Sholpan [36]

Answer:

The measure of angle B is 50

Step-by-step explanation:

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3 years ago

7x+2y=5 pls help me solve this problem?

hram777 [196]

Answer:

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Step-by-step explanation:

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2 years ago