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3 years ago

Write each improper fraction as a mix numbet 19/4

Mathematics

1 answer:

anastassius [24]3 years ago

3 0

Answer:

4 3/4

Step-by-step explanation:

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B is the midpoint of AC. AB = 5x-7, BC = 3x - 5. Find the value of x. А B C

NemiM [27]

Answer:

the value of x is 1......

as we know B is the midpoint....

then,

5x-7=3x-5

5x-3x=-5+7

2x=2

x=2/2

x=1

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3 years ago

Please help 6th grade math :)

Drupady [299]

I think the answer would be D

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The area of triangle ABC is 3√2 square inches. Find the measure of the acute angle, A, if b = 9 meters and c = 2 meters.

taurus [48]

Answer:

$A\approx 28^{\circ}$

Step-by-step explanation:

Please find the attachment.

We have been given that area of triangle ABC is 3√2 square inches.

$\text{Area}=\frac{1}{2}\text{Base}\times \text{height}$

We know that area of triangle an be found using trigonometry as:

$\text{Area}=\frac{1}{2}\times c\times h$

$\text{sin}(A)=\frac{h}{9}\\h=9\cdot \text{sin}(A)$

$3\sqrt{2}=\frac{1}{2}\times 2\times 9\cdot \text{sin}(A)$

$3\sqrt{2}=9\cdot \text{sin}(A)$

$9\cdot \text{sin}(A)=3\sqrt{2}$

$\text{sin}(A)=\frac{3\sqrt{2}}{9}$

$\text{sin}(A)=\frac{\sqrt{2}}{3}$

Now, we will use inverse sine to find the value of angle A as:

$A=\text{sin}^{-1}(\frac{\sqrt{2}}{3})$

$A=28.1255057^{\circ}$

$A\approx 28^{\circ}$

Therefore, the measure of angle A is approximately 28 degrees.

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3 years ago

A number that does not change

Delicious77 [7]

Answer:

A constant

Step-by-step explanation:

Well, ideally I'd like more details, but a number that doesn't change in a mathematical equation is called a constant.

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KATRIN_1 [288]

Answer:

5/2x, 5/2 y

Step-by-step explanation:

An enlargement means the scale factor must be greater than one

The only choice with a scale factor greater than one is 5/2x, 5/2 y

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3 years ago

Write each improper fraction as a mix numbet 19/4​

Write each improper fraction as a mix numbet 19/4