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3 years ago

10

You know the drill! But Incase you don’t! FIRST ANSWER WILL GET BRAINLIEST! Don’t answer if you don’t know. Simple. Including no

guesses or what you think the answer is. I apologize if I come off as rude. I’m on limited time here. You know where you can ask me questions at, just don’t ask questions using the answer button.
Hint # 2- Subtract the area of the square from the area of the rectangle.

Thank you in advance. Be safe, and STAY INSIDE! God WILL FOREVER love you. Look in his word now and your life will change greatly. Of course you will have your ups and downs though.

This is probably the last question for the next few moments. I’ll still be putting up questions, but not until 20 + minutes.

1 answer:

iogann1982 [59]3 years ago

7 0

Answer:

26

Step-by-step explanation:

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It takes Diego of an hour to complete a lap on a circular bike track. The track is mile long. What is Diego's bike speed? 8 hour

Mars2501 [29]

Answer:

C. 8 miles per hour

Step-by-step explanation:

It takes Diego $\frac{1}{8}$ of an hour to complete the lap = $\frac{1}{8}$ x 1 hour = $\frac{1}{8}$ hour

Distance of the track = 1 mile long

The speed of an object expresses the ratio of distance moved to time taken to cover the distance.

i.e speed = $\frac{distance}{time taken}$

= $\frac{1}{\frac{1}{8} }$

= 8

Speed = 8 mile per hour

Therefore, Diego's bike has a speed of 8 miles per hour.

5 0

3 years ago

A sphere has a volume of 500/3 π cubic centimeters. What is the total surface area , in square centimeters, of the sphere

lutik1710 [3]

Answer:

$\large\boxed{S.A.=100\pi\ cm^3\approx314\pi\ cm^2}$

Step-by-step explanation:

The formula of a volume of a sphere:

$V=\dfrac{4}{3}\pi R^3$

R - radius

We have

$V=\dfrac{500}{3}\pi\ cm^3$

Substitute and solve for R:

$\dfrac{500}{3}\pi=\dfrac{4}{3}\pi R^3$ <em>divide both sides by π</em>

$\dfrac{500}{3}=\dfrac{4}{3}R^3$ <em>multiply both sides by 3</em>

$500=4R^3$ <em>divide both sides by 4</em>

$125=R^3\to R=\sqrt[3]{125}\\\\R=5\ cm$

The formula of a Surface Area os a sphere:

$S.A.=4\pi R^2$

Substitute:

$S.A.=4\pi(5^2)=4\pi(25)=100\pi\ cm^2$

$\pi\apprx3.14\to S.A.\approx(100)(3.14)=314\ cm^2$

7 0

3 years ago

Select the two figures that are similar to each other

Masteriza [31]

The blue one and the small purple one are similar because they have the same angles.

7 0

4 years ago

Read 2 more answers

A steel company is making flat rectangular frames as a part of a new product they are launching. Each frame will be cut out of a

aleksley [76]

<u>Answer:</u>

$4x^2+34x-28=0$

x = 0.76

<u>Step-by-step explanation:</u>

We can write the area of steel before it is cut as:

Area = $(11+2x)*(6+2x)cm^2$

Expanding it by multiplying the brackets to get:

Area = $4x^2+22x+12x+66$

Area area of steel before cutting = $4x^2+34x+66$

Then we need the area of steel after 11*6 inside dimensions are cut out:

$4x^2+34x+66-(11*6)=4x^2+34x$

This area should be close to 28 cm $^2$ , hence the equation becomes:

$4x^2+34x-28=0$

Moreover, plotting the graph gives us a value of x = 0.76.

7 0

3 years ago

PLEASE ANSWER WILL GIVE 75 POINTS!!!!!

alexdok [17]

Answer:

$\frac{4}{33}$ and $\frac{1}{27}$

Step-by-step explanation:

We require 2 equations with the repeating numbers placed after the decimal point.

let x = 0.1212...... (1) ← multiply both sides by 10

100x = 12.1212.... (2)

subtract (1) from (2) thus eliminating the repeating numbers

99x = 12 ( divide both sides by 99 )

x = $\frac{12}{99}$ = $\frac{4}{33}$ ← in simplest form

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

let x = 0.037037....... (1) ← multiply both sides by 1000

1000x = 37.037037..... (2)

subtract (1) from (2) to eliminate the repeating numbers

999x = 37 ( divide both sides by 999 )

x = $\frac{37}{999}$ = $\frac{1}{27}$ ← in simplest form

8 0

3 years ago