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2 years ago

In a right-angle, the lenght of two shorter sides are 9 and 7. what is the length of the hypotenuse

Mathematics

1 answer:

Law Incorporation [45]2 years ago

5 0

Answer:

11.4

Step-by-step explanation:

You have to use the Pythagorean theorem: c = √(a² + b²)

√(7² + 9²) ≈ 11.4

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in a school containing 360 children, 198 are girls. What percent of the school are girls? What percent of the school are boys? H

almond37 [142]

Answer:

What percent of the school are girls? 55%

What percent of the school are boys? 45%

How many boys are there? 162

How many girls are there? 198

Step-by-step explanation:

The number of girls = 198

The percent of girls = 198/360 x 100% = 55%

The number of boys = 360-198 = 162.

The percent of boys = 162/360 x 100% = 45%.

5 0

3 years ago

Read 2 more answers

Is x^2+y^2=16 a function

valentinak56 [21]

Answer:

it is a Function

Step-by-step explanation:

because it doesnt fail the vertical test

4 0

4 years ago

The height of a football y in feet is given

Anettt [7]

Lol I don’t understand the question it’s not clear!

7 0

3 years ago

I’ll mark u as brainliest if you give me the correct answer :)

dmitriy555 [2]

Answer: there is room for

approximately 33.49 in^3 of coconut milk.

Step-by-step explanation:

Hi, to answer this question first, we have to find the diameter of the inside sphere by subtracting the thickness of the coconut meat (1in)to the diameter of the entire coconut:(5in)

5-1 =4in (diameter)

Since

Diameter= 2radius

4 /2=r

2in=r

Applying the next formula:

Volume of a sphere: 4/3 π r^3

Replacing with the values given:

V = 4/3 (3.14) 2^3 = 33.49 in3

5 0

3 years ago

I need help on this saturday guys

Anna71 [15]

The point-slope form:

$y-y_1=m(x-x_1)$

m - slope

(x₁, y₁) - the point

The formula of a slope:

$m=\dfrac{y_2-y_1}{x_2-x_1}$

We have the points (5, 4) and (2, -2). Substitute:

$m=\dfrac{-2-4}{2-5}=\dfrac{-6}{-3}=2$

$y-4=2(x-5)$ - point-slope form

$y-4=2x-10$ add 4 to both sides

$y=2x-6$ - slope-intercept form

$y=2x-6$ subtract 2x from both sides

$-2x+y=-6$ change the signs

$2x-y=6$ - standard form

-------------------------------------------------------------------

From the table we have two points (1, 3) and (2, 7). SubstituteL

$m=\dfrac{7-3}{2-1}=\dfrac{4}{1}=4$

$y-3=4(x-1)$ - point-slope form

$y-3=4x-4$ add 3 to both sides

$y=4x-1$ - slope-intercept form

$y=4x-1$ subtract 4x from both sides

$-4x+y=-1$ change the signs

$4x-y=1$ - standard form

6 0

3 years ago