Carl has three lengths of cable,5/6 yard long,1/4 yard long and 2/3 yard long.he needs at least one yard of cable. Which two pieces together Make a k Length at least 1 yard and closest to one yard

Answers

Answer 1

Answer: 1/4+2/3 = (3+8)/12 = 11/12 = 0.917
5/6+1/4 = (10+3)/12 = 13/12 = 1.083
5/6+2/3 = (5+4)/6 = 9/6 = 3/2 = 1.5
so, closest to 1 = (1/4+2/3)

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Greg was adding numbers on a number line. He started on –5 and then he added –8. Greg wrote that the answer was +13. Is Greg's answer reasonable?

A.
No, it is not reasonable because –5 + –8 = –13.

B.
Yes, it is reasonable because –5 + –8 = +13.

C.
No, it is not reasonable because if you add two numbers you will get a number that is greater than either of the two numbers.

Answers

The answer is A. because this would count as subtraction anyways.

Susan collected 1,470 stickers and placed them in her sticker book if there are 35 stickers on each page of her sticker book how many pages of stickers does Susan have

Answers

All you need to do is divide 1470 by 35, which is 42.

A store sells 2 printers for every 5 computers. the store sells 40 computers. how many printers does the store sell?

Answers

Answer: 16 printers.

Step-by-step explanation:

We know that every 5 computers sold, the store sells 2 printers.

We know that the store sold 40 computers.

How many groups of 5 computers there are in 40 computers?

there are 40/5 = 8 groups of 5 computers.

So the sotre sold 8 times 2 printers = 8*2 printers = 16 printers

The store sold 16 printers because 40/5=8, and if they sold 2 printers for every five computers sold, they would have sold 16.

F(x) = (x^2 - 4) / √x
F'(x) = ...?

Answers

$f(x)=(x^2-4)/(√(x))\n\nf'(x)=((x^2-4)'(√(x))-(x^2-4)(√(x))')/((√(x))^2)=(2x√(x)-(1)/(2√(x))(x^2-4))/(x)\n\n=((2x√(x)\cdot2√(x))/(2√(x))-(x^2-4)/(2√(x)))/(x)=(4x^2-x^2+4)/(2x√(x))=(3x^2+4)/(2x√(x))$

An equation is shown below: 5(2x - 8) + 15 = -15

Write the steps you will use to solve the equation and explain each step.

Answers

5 (2×-8)+15= -15

distribute the 5 into (2×-8) and it becomes

10x-40 + 15 = -15

add -40 and +15

10× - 25 = -15

add +25 to both sides

10x= 10

divide both sides by 10

x = 1

5(2x-8)+15=-15 -15 in both sides 5(2x-8)=-30 /5 2x-8=-6 +8 2x=2 /2 x=1 I hope it helps

The area of this rectangle is 80ft^2. What is the length and width.Width: X+16
Length: X

What is X for Width?
What is X for Length?

Answers

area=LW
80=area
L=x+16
W=x
80=(x+16)(x)
80=x^2+16x
minus 80
0=x^2+16x-80
factor
0=(x-4)(x+20)
set to zero
x-4=0
x=4

x+20=0
x=-20, false since you can't have negative degrees (except in trig)

x=4

legnth=4+16=20 ft

width=4ft

x=4
legnth=20ft
width=4ft

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