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Liula [17]
2 years ago
14

Please help!!

Mathematics
1 answer:
dexar [7]2 years ago
8 0

Answer:C

Step-by-step explanation: You want to add up all the marbles, and then take the red marbles and divide by all the marbles 7/20

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Which products result in a difference of squares or a perfect square trinomial? check all that apply. (5x 3)(5x – 3) (7x 4)(7x 4
Scilla [17]

(7x + 4)(7x + 4) and (x – 9)(x – 9) are Perfect square trinomial. (5x + 3)(5x – 3) and (–3x – 6)(–3x + 6) shows the Difference of squares.

<h3>What is a perfect square?</h3>

A perfect square is a number system that can be expressed as the

square of a given number from the same system.

The following are the answers

(5x + 3)(5x – 3) Difference of squares

(7x + 4)(7x + 4) is a Perfect square trinomial

(2x + 1)(x + 2) has Neither a difference of squares nor a perfect square trinomial.

(4x – 6)(x + 8) has Neither a difference of squares nor a perfect square trinomial.

(x – 9)(x – 9) is Perfect square trinomial

(–3x – 6)(–3x + 6) = (-3x)^2- ( -6)^2  Difference of squares.

Learn more about perfect square:

brainly.com/question/1415730

8 0
2 years ago
Erin recycles milk bottles, soda cans, and newspapers. If the following items are in the trash bin, what percent of the items ca
MakcuM [25]

Answer:

recyclble materials include Milk bottles, news papaers and soda cans

the rest is compost

20 items is the total

13 are recycble

13/20 as a decimal is 0.65

multiply by 100

and answer is

<h2><u><em>B.65%</em></u></h2>

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
You and some of your friends go to Six Flags. There, tickets are only $2 per
lora16 [44]

Answer:

Yes, it graphs easily.

Step-by-step explanation:

First of all we can see that is proportional and is positive, due to no powers being present, and the slope being positive. If you want the equation we first have to remember it is in y=ax+b form, using the problem we can see that the admission, or constant is 5, and the slope is 2. Then we plug in the numbers and get y=2x+5, and seeing that there is a small admission fee, we are forced to start at 5$. Therefore the answer is Yes, it graphs easily.

5 0
3 years ago
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A 6 foot wide painting should be center on a 14 foot wide wall. how many feet X should be on each side of the painting
serious [3.7K]

Answer:

4 feet

Step-by-step explanation:

We start by subtracting the 6 from the 14, to get the leftover space on the wall, 8 feet. We then divide that by two, since if the painting is centered there will be two equally-sized spaces on either side of it. This means that X = 4 feet.

6 0
3 years ago
What is 33% of 420 round to the nearest hundredth
LUCKY_DIMON [66]

Answer:

138.6

Step-by-step explanation:

7 0
3 years ago
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