3 years ago

I don’t know how to solve this

Mathematics

1 answer:

Romashka-Z-Leto [24]3 years ago

3 0

Answer:

see explanation

Step-by-step explanation:

The perimeter is the length of all the sides in the figure.

The arc of the semi- circle is included in this.

length of arc = $\frac{1}{2}$ πd ← d is the diameter

here d = 8, hence

arc = $\frac{1}{2}$ π × 8 = 4π ← exact length

Perimeter = 10 + 8 + 10 + 4π ≈ 40.57 in ( nearest hundredth )

You might be interested in

Solve by completing the square ( need it asap pls) x2+18x+81=-4 -don’t send link-

Sholpan [36]

Answer:

x=2.17

Step-by-step explanation:

$x^2$ +18x+81=-4

-81 -81

$x^2$ +18x= -85

/18 /18

$x^2$ = -4.7

$\sqrt{x^2}$ = $\sqrt{-4.7}$

x= 2.17

I hope this helps :) (if it does, brainliest, please??)

6 0

3 years ago

Which inequality is a true statement.

MArishka [77]

Answer:

Step-by-step explanation:

bc im smart ffff f f g g g g g g. t t t t t

7 0

3 years ago

What is the measure of X! Please help if you know how to do this!

deff fn [24]

Answer:

28°

Step-by-step explanation:

You're given that line DE and line FG are parallel and KL and FG are perpendicular. Then you can find out angle ∠BAC by using the vertical angles property: ∠BAC=62°. Then since KL and FG are perpendicular ∠ABC = 90°. So you find the angle ∠BCA by finding the sum of interior angles: 62+90+∠BCA=180, therefore ∠BCA is 28°. Finally, ∠x or ∠JCG = 28 because ∠JCG and ∠BCA are vertical angles and congruent.

4 0

3 years ago

Evaluate the mean of each data set mentally. 61, 71, 81, 91, 101

goldfiish [28.3K]

Answer:

Step-by-step explanation:

they each go by ten

4 0

3 years ago

Divide the following polynomials, then place the answer in the proper location on the grid. Write the answer in descending power

balandron [24]

By synthetic division, the quotient (4x^2 -10x -24)/(2x +3) is 2x -8.

___
You have not actually said what division you want performed.