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aalyn [17]
3 years ago
5

The express the area of the entire rectangle

Mathematics
1 answer:
Sonja [21]3 years ago
5 0

Answer:

area= x^2+8x+7

Step-by-step explanation:

a=l*w

l=x+7

w=x+1

a=(x+7)(x+1)

a= x^2+8x+7

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Please help, I'm so insanely stupid. ._.
Annette [7]
A) Your primary concerns are the points B and E, so y> .5x+4 and y>or= x-4B) choose one or both points, and enter them into the equations. If the statements are true, then the equations work
 for problem C So, any point in the shaded area, but not on the line, are valid points for Natalie's school

3 0
3 years ago
Ron finds 9 books at a bookstore that he would like to buy, but he can afford only 5 of them. In how many ways can he make his s
pashok25 [27]

Answer:

15,120 for the first question. 1,680 if one of the books is a must

Step-by-step explanation:

When Ron chooses his first book, he has 9 options. After that, when he chooses his second book, he only has 8 choices because he already picked one of them. By his third choice, he only has 7 choices and so on.

We can make an equation to represent this,

9 x 8 x 7 x 6 x 5

Multiplying all of that out gets you 15,120.

The second problem is even easier. Since one of the books is already chosen for him, he starts off only having 8 options. Since he is only choosing four books this time, we are only multiplying four numbers.

8 x 7 x 6 x 5

Multiplying all of that out tells you there are 1,680 ways he can make his selection in the second scenario.

5 0
3 years ago
Small juice boxes come in packages of 6. Yogurt treats come in packages of 10. Paula wants to have the exact same number of each
erastovalidia [21]

if she buys 10 of the small juice box packages and six of the yogurt treat packages then she should have an even number of both. That would be 60 of each.

8 0
3 years ago
Two fair dice are tossed.
poizon [28]

there are 6 possibilities on each dice.  Therefore 6 x 6 = 36 possible outcomes.

What is the probability that the sum of the number of dots shown on the upper faces is equal to 7?  

1,6   2,5   3,4   4,3   5,2   6,1  there are 6 possible ways to get 7

6/36 = 1/6 = .1666...

What is the probability that the sum of the number of dots shown on the upper faces is equal to 11?

5,6    6,5    there are 2 possible ways to get 11

2/36 = 1/18 = .0555...

What is the probability that you roll "doubles" that is, both dice have the same number on the upper face?

1,1    2,2   3,3    4,4   5,5    6,6  there are 6 possible ways to get doubles

6/36 = 1/6 = .1666...

What is the probability that both dice show an odd number?

1,1   1,3   1,5   3,1   3,3    3,5   5,1    5,3   5,5   there are 9 possible ways that both dice show an odd number

9/36 = 1/4 = .25

5 0
3 years ago
1. The ratio of girls to boys to parents at the concert is 10:5:4. If there are
Maru [420]

Answer:

1.   228 parents

Step-by-step explanation:

I will do number 1 for you.  I'll let you or someone else do the others.

Let 10x = no. of girls

      5x = no. of boys

      4x = no. of parents

Now, 10x + 5x + 4x = 1083

                        19x = 1083

                            x = 57

(10)(57) = 570 girls

(5)(57) = 285 boys

(4)(57) = <u>228 parents</u>

             1083  total

8 0
3 years ago
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