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jok3333 [9.3K]
3 years ago
7

A group of friends get 20 doughnuts and mike ate 10. Sam ate 4 more than carla. Jim ate 3 and drank some coffee and had 1 more.

How many did carla eat?
Mathematics
1 answer:
Firlakuza [10]3 years ago
6 0
20-10-4-4=x
10-4-4=x
10-8=x
x=2

Hope this helps!

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3b - c +5 if c= - 4, b=2.
AnnZ [28]

Answer:

15

Step-by-step explanation:

To find the answer, plug the values of each variable into the equation and simplify. It may be easiest to plug one variable in at a time, simplify, then plug the next variable in. Remember, if the equation is asking you to subtract a negative number, the negatives cancel and you want to add the numbers.

b = 2          c = -4

3b - c + 5                                      <----- Original expression

3(2) - c + 5                                    <----- Plug 2 in for "b"

6 - c + 5                                        <----- Multiply 3 and 2

11 - c                                              <----- Add 6 and 5

11 - (-4)                                           <----- Plug -4 in for "c"

15                                                  <----- Add 11 and 4

3 0
2 years ago
Which system of equations could you use to
bogdanovich [222]

Answer:B

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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garik1379 [7]

(15a^4 - 30a^5 )/5a^2

= 5a^2(3a^2 - 6a^3) / 5a^2

= 3a^2 - 6a^3

or

= - 6a^3  +  3a^2

4 0
3 years ago
Please help me answer this.
inna [77]

Answer:

D. 4,-1

Step-by-step explanation:

The mathmatical way to solev it is to find the linear equation and plug in the points, but i just looked at the graph to see which point was in the shaded region.

5 0
3 years ago
The swim team has 41 people on their team they need new swim gear the swim caps cost $5 and the swim suit cost $ 16 dollars how
IRISSAK [1]

Answer:

The money they will have to pay is <u>$861</u>.

Step-by-step explanation:

Given:

The swim team has 41 people on their team.

They need new swim gear the swim caps cost $5 and the swim suit cost $16.

Now, to find the money they will have to pay.

Number of people on the swim team = 41.

Cost of swim caps = $5.

Cost of swim suit = $16.

Now, to get the total money they will have to pay:

<u><em>Number of people on the swim team× (cost of swim caps + cost of swim suit)</em></u>

=41\times (5 +16)

=41\times 21

=\$861.

Therefore, the money they will have to pay is $861.

7 0
3 years ago
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