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3 years ago

Does every right triangle have two complementary angles

2 answers:

7 0

Yes. in a triangle 3 angles add up to be 180, the 90 is taken out in the right triangle, so the other 2 angles must equal 90 (aka complementary)

Lemur [1.5K]3 years ago

3 0

You are right! Complementary angles are those angles when you sum them, you get 90°. When you sum all the angles of a triangle you get 180°.
Thus there are two complementary in a right angles triangle.

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Find the height of a prism with volume 720cm3 and base area 45cm2

Morgarella [4.7K]

Answer:

The height is 16 cm

Step-by-step explanation:

It's just v/b

720/45=16

The height is 16 cm

3 0

3 years ago

Read 2 more answers

The question is in the picture I know it's solved but I'm not sure how to solve it

lyudmila [28]

The component of the cars velocity eastward is 14 m/s

A vector is an quantity that has both magnitude and direction.

Vector resolution is the method of separating a vector into its horizontal component as well as its vertical component.

The horizontal component of a vector is the influence of the velocity on the object horizontally.

Given that the velocity (V) = 24 m/s, the angle (θ) = 90° - 35° = 55°

Therefore:

Car velocity eastward (Vₓ) = Vcos(θ) = 24 * cos(55) = 14 m/s

The component of the cars velocity eastward is 14 m/s

Find more at: brainly.com/question/12526159

3 0

3 years ago

Please answer ASAP and if you do you will get Brainliest. Catherine buys a gallon of ice cream from the store. After taking it h

rodikova [14]

Answer:

Catherine's sister ate 2/15 gallons of the ice cream.

$\displaystyle \frac{2}{15}$ .

Step-by-step explanation:

Let $x$ be the amount of ice cream that Catherine's sister ate, in gallons.

Original amount: 1 gallon.

What Catherine ate: $\displaystyle \frac{1}{5}$ gallons.
What Catherine's sister ate is assumed to be $x$ gallons.

What's left: $\displaystyle \frac{2}{3}$ gallons.

Consider the relationship:

$\text{Original amount - What Catherine ate - What Catherine's Sister ate}\\ =\text{ What's left.}$ .

That is:

$\displaystyle 1- \frac{1}{5} - x = \frac{2}{3}$ .

Add $x$ to both sides of this equation:

$\displaystyle 1 - \frac{1}{5} = \frac{2}{3} +x$

Substract $\displaystyle \frac{2}{3}$ from both sides:

$\displaystyle 1 - \frac{1}{5} - \frac{2}{3} = x$ .

Convert the denominator of all three numbers on the left-hand side to $3 \times 5 = 15$

$\displaystyle \frac{15}{15} - \frac{3}{15} - \frac{10}{15} = x$ .

$\displaystyle x = \frac{2}{15}$ .

In other words, Catherine's sister ate $\displaystyle \frac{2}{15}$ gallons of the ice cream.

3 0

3 years ago

Read 2 more answers

I need help with this one

antiseptic1488 [7]

Answer:

-12

Step-by-step explanation:

3 0

3 years ago

Someone please help :(

riadik2000 [5.3K]

Answer:

y = -0.2x + 8

Step-by-step explanation:

To write a linear function, calculate the rate of change of the gallon of water leaving the tank and the starting level.

The function will describe the number of gallons over time or (time, gallons).

This means the function has data points (1, 7.8) and (9, 6.2).

Use the rate of change or slope formula to calculate it.

$m = \frac{7.8 - 6.2}{1 - 9} =\frac{1.6}{-8} = -0.2$

This means that for the formula y = mx+b then m = -0.2.

This also means that after losing 0.2 gallons the first hour it was at 7.8. So the starting value is 8 gallons.

The equation is y = -0.2 x + 8.

5 0

4 years ago