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just olya [345]
3 years ago
11

NEED ASAP1.Factor the expression completely.

Mathematics
1 answer:
ella [17]3 years ago
5 0

Answer:

1. -5x(x+7)

2. the answer is A and D

3.(2x+1)(2x-3)

4. D

5. 3(x+4)(2x-3)

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A rectangle has an area of 99 square in. What is the length of the long side?
OLga [1]

Answer:

The longer length is either 99, 33 or 11 inches

Step-by-step explanation:

Given

Area = 99

Required

The length of the longer side

Area of a rectangle is:

Area = Length * Width

List out all possible products that give 99 [Assume the dimension are whole numbers]

Length * Width = 99 * 1 = 99

Length * Width = 33 * 3 = 99

Length * Width = 11 * 9 = 99

List out the longer factors

L = \{99, 33, 11\}

<em>Hence, the longer length is either 99, 33 or 11 inches</em>

8 0
3 years ago
What is 2 times 5 to the 3rd power divided by (9-4) raised to the power of 4
Maslowich
Heyo Kiddo. How are you doing today? 

Let's figure this out. 

So in number form, the equation will be looking a little like this: 

2(5) ^{3} / (9-4)^4

To solve. 

2(5) ^{3} / (9-4)^4 \ \textless \ Parenthesis first\ \textgreater \ &#10;&#10;2(5)^{3} / 5^4 \ \textless \ Exponents\ \textgreater \ &#10;&#10;2(125) / 625 (Multiply)&#10;&#10;250 / 625  (Divide)&#10;&#10;0.4  (Answer)

So I hope this answers your question and that you have a great day. :)
8 0
3 years ago
Renna pushes the elevator button, but the elevator does not move. The mass limit for the elevator is 450 kg, but Renna and her l
pychu [463]

Answer:

620-37.4p\leq 450

Step-by-step explanation:

Let p be the number of identical packages.

We have been given that each package has a mass of 37.4 kg, so weight of p packages will be 37.4p.

The total mass of Renna and her load of identical packages is 620 kg.

We have been given that the mass limit for the elevator is 450 kg. This means that Renna can remove p packages from 620 kg such that 620 minus weight of p packages will be less than or equal to 450 kg.

We can represent this information in an inequality as:

620-37.4p\leq 450

Therefore, the inequality 620-37.4p\leq 450 can be used to determine the number of packages, p, Renna could remove from the elevator to meet the mass requirement.

3 0
4 years ago
Read 2 more answers
Form a sequence that has two arithmetic means between -13 and 89.
scoray [572]
It would be D. If you add all the numbers (-18, -81, 144) and divide it by 3 then you would get -81. I hope I helped!
8 0
3 years ago
Read 2 more answers
Find the product using model or drawing
Ganezh [65]

Answer:

1.2/15

2.4/11

3.1/12

4.2/23

5.3/10

6.51

7. 1

8.30

9.36/55

10.248/15

Step-by-step explanation:

hope it helps

5 0
3 years ago
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