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Taya2010 [7]
3 years ago
14

A football team gained 9 yards on one play and then lost 22 yards on the next. Write a sum of integers to find the overall chang

e in field position?
Mathematics
2 answers:
BartSMP [9]3 years ago
7 0
Gained 9 yards, then lost 22:

9-22=c
-13=c

Therefore, the football team lost 13 yards in overall change in field position. Meaning, the team didn't gain any yards, they lost 13.
Marysya12 [62]3 years ago
6 0
Gain = +
lost = -
+9+(-22) = 9-22 = -13 yards
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SCORPION-xisa [38]

Answer:

-0.399

Step-by-step explanation:

f^-1(1024)=(2*1024-2/5)^-1= 0.000488

f(0.000488)=2*0.000488-2/5= -0.399

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3 years ago
There is a store where people enter at a rate of 3 for each day. what is the probability that this store will have at least two
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​​​​​​Jocelyn gave the cashier $50 to pay for 3 shirts. The cashier gave her $5.03 in change. Each shirt cost the same amount. W
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14.9

Step-by-step explanation:

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8 0
2 years ago
A professor has recorded exam grades for 10 students in his​ class, but one of the grades is no longer readable. If the mean sco
Nostrana [21]

Answer:

unreadable score = 35

Step-by-step explanation:

We are trying to find the score of one exam that is no longer readable, let's give that score the name "x". we can also give the addition of the rest of 9 readable s scores the letter "R".

There are two things we know, and for which we are going to create equations containing the unknowns "x", and "R":

1) The mean score of ALL exams (including the unreadable one) is 80

so the equation to represent this statement is:

mean of ALL exams = 80

By writing the mean of ALL scores (as the total of all scores added including "x") we can re-write the equation as:

\frac{R+x}{10} =80

since the mean is the addition of all values divided the total number of exams.

in a similar way we can write what the mean of just the readable exams is:

\frac{R}{9} = 85\\ (notice that this time we don't include the grade x in the addition, and we divide by 9 instead of 10 because only 9 exams are being considered for this mean.

Based on the equation above, we can find what "R" is by multiplying both sides by 9:

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Therefore we can now use this value of R in the very first equation we created, and solve for "x":

\frac{R+x}{10} =80\\\frac{765+x}{10} =80\\765+x=80*10=800\\765+x=800\\x=800-765=35

4 0
3 years ago
What segment is congruent to AC?<br> A. BD<br> B. BE<br> C. CE<br> D. none
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You can find the segment congruent to AC by finding another segment with the same length. So first, you need to find the length of AC.

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Now, find another segment that also has a length of 6.

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   E - B = BE
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So, the segment congruent to AC is B. BE . 
8 0
3 years ago
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