MATHEMATICS MIDDLE SCHOOL

Peanuts in bulk bins at the grocery store cost $.30 per ounce how much wood 2 pounds of peanuts cost

Answers

Answer 1
Answer: 9 dollars and 60 cents

$9.6

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David wants to buy 16 bolts from a bin at the hardware store. Each bolt cost $0.03. How much will David pay for the bolts

Answers

The answer is .48 cents

Very Simply You'd Multiply What David Wants By Retail Price. So You'd Have 

16 x 0.03  = 0.48 therefor, David will spend 48 Cents.

Sue bought 7 cans of tennis balls. There are 3 balls in each can. How many balls did Sue buy?

Answers

Answer:

Sue buy 21 balls.

Answer:

21

Step-by-step explanation:

7 cans times 3 balls each equals 21 balls

HELP HELP HELP HELP HELP HELP HELP HELP HELP

Answers

The first one is the correct answer :)

What is 4x squared minus 3x to the 5th plus x

Answers

4x²-3x⁵+x

The only thing we can do here is simplify by finding the GCF (Greatest Common Factor) in this equation. In this case, all three terms have 'x' in common, so we're going to factor that aside:

x(4x-3x⁴+1)

After that, although it's not required, it's best to put the terms in order of their power:

x(-3x⁴+4x+1)

x(-3x⁴+4x+1) is your final answer.

A homeowner leans a ladder against his house so that the top of the ladder makes a 31 degree angle with the house. What angle does the bottom of the ladder make with the ground? help! asap

Answers

If you put an imaginary line from the base of the ladder to the wall it would from a right angled triangle. The internal angles of a triangle all add up to 180degrees. With a right angled triangle, we know for sure one angle is going to be 90 degrees. One angle as you said is 31 degrees so you just add 31 and 90 which is equal to 121 then subtract it by that. SO:
180-(31+90)
180-121=59 degrees
or even easier
90-31= 59

How do you set up this equation ?

Answers

Given:

Quadrilateral PQRS is a rhombus.

To find:

The value of y.

Solution:

In the rhombus PQRS,

PS = 10y and SR = y + 45

Property of rhombus:

All sides are congruent.

⇒ PS = SR

⇒ 10y = y + 45

Subtract y from both sides.

⇒ 10y - y = y + 45 - y

⇒ 9y = 45

Divide by 9 on both sides.

$\Rightarrow (9y)/(9) =(45)/(9)

⇒ y = 5

The value of y is 5.
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