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aliina [53]
3 years ago
15

} = \frac{7}{5} " alt=" \frac{4}{x} = \frac{7}{5} " align="absmiddle" class="latex-formula">

​find x
Mathematics
2 answers:
Firlakuza [10]3 years ago
6 0
They have the correct answer
RUDIKE [14]3 years ago
5 0

Answer:

x = \frac{20}{7}

Step-by-step explanation:

Given

\frac{4}{x} = \frac{7}{5} ( cross- multiply )

7x = 20 ( divide both sides by 7 )

x = \frac{20}{7}

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Vinil7 [7]
2(3x-5) + 2(-2x+10)
6x-10 + -4x+ 20

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5 0
3 years ago
Solve for x: 5x - 2 = 3x + 8
gayaneshka [121]

5x-2=3x+8


X=5

That's your answer
8 0
2 years ago
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Translate the phrase "in 3 years" into algebraic terms
Semenov [28]

Answer:

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For example, my age in three years will be:

If I'm 24 years right now, My age in three years = 3 + x ⇒ My age in three years = 3 + 24 = 27.

3 0
3 years ago
A = {1, 2, 5, 7} B = {3, 4, 6, 7} C = {0, 5, 8, 9} Find B U C.
drek231 [11]

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3 0
3 years ago
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Amelia is 5 feet tall and casts a 4-foot shadow. A tree next to her casts a 12-foot shadow. The two triangles formed are similar
matrenka [14]

Answer:

The height of the tree is  

18.67

feet

Step-by-step explanation:

Explanation:

The pole and the tree both cast shadows. The triangles which form are similar triangles, because the sun is shining from the same angle in the sky.

You can write this as a direct proportion. (height : shadow)

2 is to 1.5 as what is to 14?

2

1.5

=

x

14

     

←

cross multiply

x

=

2

×

14

1.5

x

=

18.67

feet

7 0
2 years ago
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