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2 years ago

1st question I want to solve

Mathematics

1 answer:

mr_godi [17]2 years ago

7 0

Answer:

34.64

Step-by-step explanation:

take tan value and solve the triangle

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Explain how an estimate help you to place the decimal point when multiplying 3.9x5.3?

trapecia [35]

You can estimate 3.9 times 5.3 to 4 times 5 which is 20
so if the answer is around 20, you know that you will have exactly 2 digits before the decimal place

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3 years ago

Find the missing side of the triangle

Katena32 [7]

$\\ \sf\longmapsto sin\theta=\dfrac{Perpendicular}{Hypotenuse}$

$\\ \sf\longmapsto sin74=\dfrac{n}{40}$

$\\ \sf\longmapsto n=40sin74$

$\\ \sf\longmapsto n=35(0.96)$

$\\ \sf\longmapsto n=38.4$

7 0

2 years ago

What is 65% of 97?do NOT round your answer

Softa [21]

The answer is 63.05
Tip-search it up

7 0

3 years ago

Read 2 more answers

21.) A rectangle has an area of 36 square units. As the length and width change, what do you know about their

natima [27]

Answer:

the length and the width are inversely proportional to each other ( $l=\frac{36}{w}$ or $w=\frac{36}{l}$ )

Step-by-step explanation:

Let

l units = length of the rectangle,

w units = width of the rectangle.

The area of the rectangle is

$\text{Area}=\text{Length}\cdot \text{Width}$

A rectangle has an area of 36 square units, so

$l\cdot w=36$

Complete the table with some values of l and w that fit the previous formula:

$\begin{array}{ccc}\text{Length}&\text{Width}&\text{Area}\\ \\36&1&36\cdot 1=36\ un^2.\\18&2&18\cdot 2=36 \ un^2.\\12&3&12\cdot 3=36\ un^2.\\ 9&4&9\cdot 4=36\ un^2.\\l&w&l\cdot w=36 \ un^2.\end{array}$

As you can see, the length and the width are inversely proportional to each other ( $l=\frac{36}{w}$ or $w=\frac{36}{l}$ )

4 0

3 years ago

If a right circular cone is intersected by a plane so that the intersection goes through the cone’s vertex as well as an edge of

Klio2033 [76]

Answer:

It is C.

Step-by-step explanation:

Im finding it a bit difficult to put it into words - but you can picture it in your brain. It is a line. The plane is just touching the surface of the cones.

8 0

3 years ago