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Anastasy [175]
3 years ago
10

A football team lost 9 yards on first down and 4 yards on second down. It gained 5 yards on third down. How many yards does it n

eed to gain on fourth down to have a 10-yard gain from its starting position? A. 2 yd B. 8 yd C. 13 yd D. 18 yd
Mathematics
2 answers:
KATRIN_1 [288]3 years ago
8 0

Answer:

18

Step-by-step explanation:

You need 8 more to get to the started position

13 - 5 = 8

and 10 more to get the 10 yard gain

GenaCL600 [577]3 years ago
3 0
<span>I Beileve It's 18 Yards</span>
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Presence of the activity in this illustration is an example of how a country’s government can be shaped by
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Answer:

c or d but i think d

Step-by-step explanation:

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HELP ASAP 15 POINTS!!!<br> What is the solution to this equation?<br> 6(x-5)=4x+20
Andre45 [30]

Answer:

<h2><u><em>x = 25</em></u></h2>

Step-by-step explanation:

What is the solution to this equation?

6 * (x - 5) = 4x + 20

6x - 30 = 4x + 20

2x = 20 + 30

2x = 50

x = 50 : 2

x = 25

-------------------

check

6 * ( 25 - 5) = 4 * 25 + 20

6 * 20 = 100 + 20

120 = 120

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2 years ago
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it costs $15 per month for membership at a baseball club. Members pay $5 for game tickets. Write an expression for the cost of 1
julia-pushkina [17]
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The distribution of heights for adult men in a certain population is approximately normal with mean 70 inches and standard devia
KengaRu [80]

Answer:

The interval (meassured in Inches) that represent the middle 80% of the heights is [64.88, 75.12]

Step-by-step explanation:

I beleive those options corresponds to another question, i will ignore them. We want to know an interval in which the probability that a height falls there is 0.8.

In such interval, the probability that a value is higher than the right end of the interval is (1-0.8)/2 = 0.1

If X is the distribuition of heights, then we want z such that P(X > z) = 0.1. We will take W, the standarization of X, wth distribution N(0,1)

W = \frac{X-\mu}{\sigma} = \frac{X-70}{4}

The values of the cumulative distribution function of W, denoted by \phi , can be found in the attached file. Lets call y = \frac{z-70}{4} . We have

0.1 = P(X > z) = P(\frac{X-70}{4} > \frac{z-70}{4}) = P(W > y) = 1-\phi(y)

Thus

\phi(y) = 1-0.1 = 0.9

by looking at the table, we find that y = 1.28, therefore

\frac{z-70}{4} = 1.28\\z = 1.28*4+70 = 75.12

The other end of the interval is the symmetrical of 75.12 respect to 70, hence it is 70- (75.12-70) = 64.88.

The interval (meassured in Inches) that represent the middle 80% of the heights is [64.88, 75.12] .

Download pdf
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Nine negative third power in standard form
Andre45 [30]

Answer:

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Step-by-step explanation:

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