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2 years ago

5. If 1/4 inch represents 5 yards, the number of inches needed to show a football field 100yards long is:

Mathematics

1 answer:

alexdok [17]2 years ago

4 0

Answer:

The answer is 20/80.

Step-by-step explanation:

1/4=5 yards

? =100 yards

100÷5=20

1/4×20

=20/80.

PLEASE MARK ME AS THE BRAINIEST.

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Write the domain of Y= x+1/ (x+2)(x+10)

mojhsa [17]

(-∞,-10)∪(-10,-2)∪(-2,∞)

$\left\{x|x\ne-2,-10\right\}$

Both are correct.

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3 years ago

Terry is drawing isosceles triangles with side lengths a, b, and c such that

My name is Ann [436]

9514 1404 393

Answer:

{2, 2, 2}, {2, 3, 3}, {2, 4, 4}, {3, 2, 3}, {3, 3, 2}, {3, 3, 4}, {3, 4, 3}, {4, 2, 4}, {4, 3, 3}, {4, 4, 2}, {5, 2, 5}, {6, 2, 6}

Step-by-step explanation:

The requirement that side lengths be greater than 0 means that ...

y > x > 0

y > z > 0

Then possible values for x and z are 1, 2, 3, and possible values for y are 3, 4, 5, 6, 7.

When we list the possibilities, and exclude those that do not give isosceles triangles, we find the values of {a, b, c} can be those listed above.

5 0

3 years ago

A number decreased by 7 is 14 find the number

Serhud [2]

Answer:

Step-by-step explanation:

You can write it as x="a number".

x - 7 = 14

so 7 + 14 = x

so 21 = x

"A number" is 21.

3 0

3 years ago

What is the magnitude of the position vector whose terminal point is (-2, 4)?

zhuklara [117]

Answer:

2√5

Step-by-step explanation:

The Pythagorean theorem tells you how to find the distance from the origin.

d = √((-2)² +4²) = √20 = 2√5

The vector's magnitude is 2√5 ≈ 4.47214.

7 0

3 years ago

Read 2 more answers

A pharmaceutical company receives large shipments of aspirin tablets. The acceptance sampling plan is to randomly select and tes

Pavel [41]

Answer:

0.818

Step-by-step explanation:

Since the shipment has a ton of aspirin tablets, we can assume that we pick 13 of them with reposition, because the probability shoudn't change dramatically from the probability of picking without reposition if we do so.

We call D the amount of defective tablets. If we assume that we pick the tablets with reposition, then we obtain that D is a random variable of Binomial distribution with parameters 13 and 0.6 (the probability of picking a defective tablet).

We want D to be at most one. To calculate the probability of that event we add up the probability of D being equal to 0 and the probability of D being equal to one. Since D is binomial, we have

$P(D = 0) = (1-0.06)^{13} = 0.447$
$P(D = 1) = {13 \choose 1} * 0.06^1 * (1-0.06)^{12} = 13*0.06*0.94^{12} = 0.371$

We conclude that

$P(D \leq 1) = P(D = 0) + P(D = 1) = 0.447+0.371 = 0.818$

Hence, the shipment will be accepted with probability 0.818

I hope this helps you!

6 0

3 years ago

5. If 1/4 inch represents 5 yards, the number of inches needed to show a football field 100yards long is:​

5. If 1/4 inch represents 5 yards, the number of inches needed to show a football field 100yards long is: