Select all expressions that are equivalent to 8.8.8.8.8 A)8 B)8.8 D)(2) E 5(2)

Answers

Answer 1

Answer: that would be b. because u have to calculate it in a caculater then it will show the answer

Answer 2

Answer: The only answer would be B. 8.8 would be in a sense where it repeats, but you don't have to write so many 8's. Your, in a way, paraphrasing the decimal.

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A rectangle has the length of 22 inches less than 7 times the width. If the area of the rectangle is 3197 square inches, find the length of the rectangle

Answers

The length of rectangle is 139 inches

Solution:

Given that, area of the rectangle is 3197 square inches

Let "L" be the length of rectangle and "W" be the width of rectangle

Also given that rectangle has the length of 22 inches less than 7 times the width

Length = 7 times width - 22

L = 7W - 22

The area of rectangle is given as:

$\text {Area of rectangle }=\text { length } * \text { width }$

Substituting the values we get,

$\begin{array}{l}{3197=(7 W-22)(W)} \n\n {3197=7 W^(2)-22 W} \n\n {7 W^(2)-22 W-3197=0}\end{array}$

On solving the above quadratic equation using quadratic formula,

$\text {For the quadratic equation } a x^(2)+b x+c=0 \text { where } a \neq 0$

$x=\frac{-b \pm \sqrt{\left(b^(2)-4 a c\right)}}{2 a}$

$\begin{array}{l}{\text {Here in } 7 \mathrm{W}^(2)-22 \mathrm{W}-3197=0} \n\n {a=7 ; b=-22 ; c=-3197}\end{array}$

Substituting in above quadratic formula,

$\begin{array}{l}{W=\frac{-(-22) \pm \sqrt{\left((-22)^(2)-4(7)(-3197)\right)}}{2 * 7}} \n\n {W=(22 \pm √(90000))/(14)=(22 \pm 300)/(14)} \n\n {W=(22+300)/(14) \text { or } W=(22-300)/(14)} \n\n {W=23 \text { or } W=-19.85}\end{array}$

Since width of rectangle cannot be negative, ignore negative value of "W"

So width W = 23 inches

Length L = 7W - 22 = 7(23) - 22 = 139 inches

Thus length of rectangle is 139 inches

How much less than 1 is 3/9?
Is the answer to this question 1/3???

Answers

$1-(3)/(9)=(6)/(9)=(2)/(3)$

$1-3/9 \n =9/9-3/9 \n =6/9 \n =(2*3)/(3*3) \n =2/3$

Which equation represents the volume of a cone with the same base and height as the cylinder below?

Answers

Answer:

Volume of cone $V=(\pi.t^(2).k)/(3)$

Step-by-step explanation:

Since cone is having same base and height that means base of the cone is circular with radius t and height of the cone is k same of cylinder shown.

Now volume of a cone V = $(1)/(2)\pi .r^(2).h$

Since r = radius of the base of cone

h = height of the cone

Now we put the values of height and radius in the formula

$V=(\pi.t^(2).k)/(3)$

So the equation that represents the volume of cone is V = $(\pi.t^(2).k)/(3)$

check the picture below.

cyclist were 3/4 finished with their ride when they reached the 15 kilometer mark. how long was the ride?

Answers

20km

15km 3/4
_____ = ___
Xkm 4/4

cross multiply...
3/4x=15
divide both sides by 3/4
x=20km

What is $0.1369 rounded to the nearest cent

Answers

Ok, what is $0.1369 rounded to the nearest cent?

100 cents make a dollar which means the most possible cents not making a dollar is 99 cents

So that means you leave the first two decimals alone and focus on the last two.

What is 69 closer to? 70 or 60? Well, its larger than 65 which is the halfway point so its closer to 70

Is 70 closer to 0 or 100? Well, since 70 is past the halfway point which is 50, its closer to 100.

Think of 3 as 0 and the next number up which is 4 as 100, well, since 70 is closer to 100 than 0, its closer to 4.

So That means that 0.1369 rounded to the nearest cent is $0.14

Your answer rounded is $0.14

What is the simplest form of 12/60

Answers

1/5
because if you divide it by 12, 1/5 will be your answer

the answer is 1/5 because you have to divide by 12

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6-(-12)= 1/2 ÷ 3/4=Plz answer quickly!