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3 years ago

What is the value of x in the equation 2.5(6x - 4) = 10 + 4(1.5 +0.5x)? 13 Submit

Mathematics

1 answer:

Aliun [14]3 years ago

3 0

Answer:

x=2

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable :)

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harina [27]

Answer:

Step-by-step explanation:

you need to use the proportions

x=(3*5)/8=15/8

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3 years ago

Slove : 28/36 = 14/y

Dafna1 [17]

Answer:

y = 18

Step-by-step explanation:

<h3>i) reduce the fraction with 4</h3>

$\frac{28}{36} = \frac{14}{y}$

$\frac{28 \div 4}{36 \div 4} = \frac{14}{y}$

$\frac{7}{9} = \frac{14}{y}$

<h3>ii) simplify the equation with cross multiplication</h3>

$\frac{7}{9} = \frac{14}{y}$

$7y = 14 \times 9$

$7y = 126$

<h3>iii) divide both sides of the equation by 7</h3>

$\frac{7y}{7} = \frac{126}{7}$

$y = 18$

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3 years ago

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Vaselesa [24]

Answer:

The answer is y = 3(4)^x or answer choice C

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1 year ago

What is the vertex in the equation of the axis of symmetry of the graph of y=x^2-6x-7

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3 years ago

Determine whether the triangles are congruent by sss sas asa aas hl

Semmy [17]

Answer:

Congruent by SAS

Step-by-step explanation:

The three given sides of one triangle is shown to be equal to the corresponding sides of the other triangle.

This means that all threes sides of one are congruent to all corresponding sides of the other triangle.

By the Side-Side-Side Congruence Theorem, we can conclude that both triangles are congruent.

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