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Alexus [3.1K]
3 years ago
6

What sentence represents the number of points in the problem below?

Mathematics
1 answer:
Paul [167]3 years ago
3 0

Answer:

The number of multiple choice plus the number of short answers is 25

Step-by-step explanation:

2x+4y=80

x+y=25

y=-x+25

2x+4(-x+25)

2x-4x+100

-2x+100=80

-2x=-20

x=10

y=15

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Express the area of the entire rectangle <br> Your answer should be a polynomial in standard form
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Answer: x^2 + 6x + 8

Step-by-step explanation: (x+2)(x+4) = x^2 + 4x + 2x + 8

= x^2 + 6x + 8

4 0
3 years ago
The monthly fees for single rooms at five colleges are $370, $310,$380,$340, and $310, respectively what is the mean of these mo
noname [10]

Answer:

$342

Step-by-step explanation:

370+310+380+340+310=1710

1710/5=342

8 0
3 years ago
Read 2 more answers
What’s the value of x
kozerog [31]
Answer should be:

X=9.
6 0
3 years ago
Read 2 more answers
4. Name the first five terms of the arithmetic sequence. a1 = -35, d=4​
eduard

Answer:

Step-by-step explanation:

We first have to write the equation for the sequence, then finding the first five terms will be easy. Follow the formatting:

a_n=a_1+d(n-1) and we are given enough info to fill in:

a_n=-35+4(n-1) and

a_n=-35+4n-4 and

a_n=-39+4n or in linear format:

a_n=4n-39 where n is the position of the number in the sequence. We already know the first term is -35.

The second term:

a_2=4(2)-39 so

a_2=8-39 and

a_2=-31

The third term:

a_3=4(3)-39 and

a_3=12-39 so

a_3=-27 and we could go on like this forever, but the nice thing about this is when we know the difference all we have to do is add it to each number to get to the next number.

That means that the fourth term will be -27 + 4 which is -23.

The fifth term then will be -23 + 4 which is -19. You can check yourself by filling in a 5 for n in the equation and solving:

a_5=4(5)-39 and

a_5=20-39 so

a_5=-19

7 0
2 years ago
Camison's minnan gets 14 miles per gallon for city driving and 19 miles per gan
loris [4]

Answer:

<u>7 gallons were used for city driving and 17 gallons were used for highway driving</u>

Correct statement and question:

camison's minnan gets 14 miles per gallon for city driving and 19 miles per gallon for highway driving. At the beginning of the week, the 24-gallon tank was full. The family traveled 421 miles before running out of gas. How many gallons were used for city driving and  how many were used for highway driving?

Source:

Previous question found at brainly

Step-by-step explanation:

x = Gallons for city driving

24 - x = Gallons for highway driving

Miles drove before running out of gas = 421

Now let's solve for x, writing the following equation:

14x + 19 (24 - x) = 421

14x + 456 - 19x = 421

-5x = 421 - 456

-5x = - 35

x = -35/-5

x = 7 ⇒ 24 -x = 17

<u>7 gallons were used for city driving and 17 gallons were used for highway driving</u>

3 0
3 years ago
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