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elixir [45]
3 years ago
7

(Please someone help me!) (No links!) What do I do!

Mathematics
1 answer:
Eddi Din [679]3 years ago
6 0

Answer:

a: 30 b: -7 c. -11

Step-by-step explanation:

a. (3)(-5)(-2)

Which is 3x-5x-2:

3x-5 is -15

-15x-2=30

b. -5-2=-7

c. 3(-2)+-5

-6+-5=-11

Hence, the correct answers are 30,-7,-11

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Claire earned $60 babysitting on Friday night. She spent 1/4 of it at the movie, 1/3 going out to dinner, and she saved the rest
In-s [12.5K]

Answer:

25 dollars

Step-by-step explanation:

1/4*60=15

1/3*60=20

20+15=35

60-35=25

6 0
3 years ago
Harry had $32. He spent all the money on buying 3 notebooks for $x each and 4 packs of index cards for $y each. If Harry had bou
sattari [20]

Answer:

  a. The student's conclusion is incorrect because the solution to the system of equations 3x + 4y = 32 and 5x + 5y = 50 is (8, 2).

Step-by-step explanation:

The second equation needs to be ...

   5x +5y = 50

because the wording "short of $18" means that the actual cost of that purchase would be $18 more than the $32 that Harry had. 18+32 = 50.

The only answer choice that shows this as the second equation is choice A.

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In fact, the solution to the system of equations is (8, 2), as can be seen in the graph below.

4 0
4 years ago
Graph e(x) = √x − 10 .
yKpoI14uk [10]

Answer:

I Believe if so, this is your answer

Step-by-step explanation:

y = e ( x )

OR

y = √ x − 10

3 0
3 years ago
1998 hurricane Bonnie approached the United States at a speed of 8 miles per hour . The function y= 8x disproves how many miles
guajiro [1.7K]

Answer:

y=20

Step-by-step explanation:

8x

8(2.5)

8×2=16

8×0.5=4

16+4=20

y=20 in this equation

3 0
3 years ago
What type of errors do you think scientist make with measurements?<br> Ready?
wariber [46]

Answer:

The errors that may occur in the measurement of a physical quantity can be classified into six types: constant error, systematic error, random error, absolute error, relative error and percentage error.

Step-by-step explanation:

Hope this will be helpful for you.

6 0
1 year ago
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