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3 years ago

I NEED HELP WITH THIS MATH PROBLEM

Mathematics

1 answer:

mars1129 [50]3 years ago

7 0

Answer:

Step-by-step explanation:

9.8 divided by 100

Answer 0.098 km/liter

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I need help! I don't know how to get the answer or what it is. Can anyone help me it's for a test and I'm on my last attempt?

Greeley [361]

Answer:

See explanation

Step-by-step explanation:

(4)

Using the sine ratio in the right triangle

sinΘ = $\frac{opposite}{hypotenuse}$ = $\frac{7}{9}$ , thus

Θ = $sin^{-1}$ ( $\frac{7}{9}$ ) ≈ 51.1°

(5)

Using the tangent ratio in the right triangle

tanΘ = $\frac{opposite}{adjacent}$ = $\frac{4}{5}$ , thus

Θ = $tan^{-1}$ ( $\frac{4}{5}$ ) ≈ 38.7°

7 0

3 years ago

Find the interior angle sum for the following polygon

Brrunno [24]

Answer:

Polygon Name

Number of Interior Angles

Sum of Interior Angles = (n-2) x 180°

Triangle

180°

Quadrilateral

360°

Pentagon

5

540°

Hexagon

720°

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

How many meters is in the foot of the ladder from the wall? Round only your final answer to the nearest tenth.

kaheart [24]

Answer is 3.5

See attached photo

5 0

3 years ago

A collar of Styrofoam is made to insulate a pipe. Find it's volume. That large R is to the outer rim. The smaller r us to the ed

anastassius [24]

Answer:

the volume of the pipe is 649.98 cubic inches.

Step-by-step explanation:

We have been given that a collar of Styrofoam is made to insulate a pipe. We are asked to find the volume of the given pipe.

We will use volume of hollow cylinder formula to solve our given problem.

$\text{Volume of hollow cylinder}=\pi R^2h-\pi r^2h$

where,

R = Radius of external cylinder,

r = Radius of internal cylinder.

h = Height of cylinder.

substituting our given values in above formula, we will get:

$\text{Volume of hollow cylinder}=\pi (5\text{ in})^2(\text{23 in})-\pi (4\text{ in})^2(\text{23 in})\text{Volume of hollow cylinder}=\text{23 in}\cdot 3.14 ((5\text{ in})^2-(4\text{ in})^2)\text{Volume of hollow cylinder}=\text{23 in}\cdot 3.14 (25\text{ in}^2-16\text{ in}^2)\text{Volume of hollow cylinder}=\text{23 in}\cdot 3.14 (9\text{ in}^2)\text{Volume of hollow cylinder}=649.98\text{ in}^3$

Therefore, the volume of the pipe is 649.98 cubic inches.

8 0

3 years ago

Find the next two terms in this sequence, 16, 8, 4, 2, 1

sweet-ann [11.9K]

Answer:

$\frac{1}{2}$ and $\frac{1}{4}$

Step-by-step explanation:

The pattern is that a term gets divided by 2 to find the next term. 1 divided by 2 is $\frac{1}{2}$ and when you divide that by 2 you get $\frac{1}{4}$

3 0

3 years ago