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3 years ago

8

This is my last question by the way

1 answer:

Leni [432]3 years ago

8 0

Part A:

There are 25 blocks for the length, and the length of each is 5.5 inches. 5.5x25=137.5

There are 9 blocks for the height, and each is 2.75 inches. 2.75x9=24.75

Since we're trying to find how much longer the length is to the width, we find the difference. 137.5-24.75=112.75

So part A answer is <em><u>112.75 (or 112¾)</u></em>

Part B:

We know the length is 137.5 and the height is 24.75. To find how many times longer the length is, we need to divide to see how many 24.75 can go into 137.5.

137.5÷24.75=5.55

So the answer to part B is <u><em>5.55. Given the context, the answer would probably be 5, because that's how many entire height can fit.</em></u>

<u><em /></u>

Sorry if it's wrong lol

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bagirrra123 [75]

Answer:

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Step-By-Step Explanation:

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3 years ago

Suppose that the probability a seed will germinate is 85%. What is the probability that 7 of these seeds will germinate when 10

Neporo4naja [7]

Answer: The probability that 7 of these seeds will germinate when 10 are planted is 0.1298 .

Step-by-step explanation:

Let x be the number of seeds germinate .

Since each seed is independent from other , so we can use binomial over here.

Binomial probability formula : $P(X=x)=^nC_xp^x(1-p)^{n-x}$ , where n= total trails and p is the probability of each success.

As per given : p= 0.85 , n= 10

Then, the probability that 7 of these seeds will germinate when 10 are planted will be :-

$P(X=7)=^{10}C_7(0.85)^7(1-0.85)^3\\\\=\dfrac{10!}{7!3!}(0.85)^7(0.15)^3\\\\=0.129833720754\approx0.1298$

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5 0

3 years ago

Which of the following are polynomials?

krek1111 [17]

I would say both B and F would be polynomials.

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4 years ago

Which of the following equations is equivalent to 7y+6=36, but written only in terms of x?

hodyreva [135]

Answer:

14x + 7 = 30

Step-by-step explanation:

Given

7y + 6 = 36 and y = 2x + 1

substitute y = 2x + 1 into 7y + 6 = 36 , that is

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7(2x + 1) = 30 ← distribute parenthesis on left side by 7

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3 years ago

Here is my math problem, thanks :) -8+16-9+1222-784

Amanda [17]

Answer:

437

Step-by-step explanation:

i just simplified it, but i hope this helps!

have a good day!

and mark me brainliest while your at it! ;D

3 0

3 years ago

Read 2 more answers