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Pepsi [2]
3 years ago
9

Help with 4 questions please

Mathematics
2 answers:
mr_godi [17]3 years ago
3 0

Answer:

Step-by-step explanation:

-1+x/3= -7

-3+x=-21. Multiply both sides by 3

X=-21 + 3

X= -18

12345 [234]3 years ago
3 0
17) x=-18
19) x=7
21) x=7
23) n=8
The answer are definitely correct. I'm not gonna trick you.

Hope I can help you!
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The temperature is 2 degrees and drops to -15 degrees overnight. Write and then evaluate a subtraction expression to determine t
KiRa [710]

Answer:

-17 degrees

Step-by-step explanation:

Given that:

Initial temperature = 2 degrees

Final temperature = -15 degrees

To Determine:

The change in temperature.

Solution:

First of all, let us have a look at the method for calculating the change in any quantity.

Let the initial quantity = a

Let the final quantity = b

Change in quantity = Final quantity - Initial quantity = b - a

Here, we are given the quantity as temperature.

where a = 2 degrees and

b = -15 degrees

Therefore, the change in temperature = -15 - 2 = \bold{-17} <em>degrees</em>

8 0
3 years ago
Pls help 5 2 over 3 ÷ 3 over 2
Contact [7]

17/3

hope it's helpful ❤❤❤❤❤❤

THANK YOU.

#

8 0
3 years ago
The Boy Scouts are selling popcorn to raise money for a camping trip. Bags of popcorn sold for $6.85. Bags of Carmel popcorn wer
RSB [31]

Answer:

128 bags of popcorn

Step-by-step explanation:

356.20 / 6.85 = 52

634/60 / 8.35 = 76

76 + 52 = 128

8 0
3 years ago
Read 2 more answers
Triple the sum of 7 and 8
lozanna [386]

Answer:

3(7+8)

3(15)

45 is the answers for the question

Step-by-step explanation:

please mark me as brainlest

4 0
3 years ago
Read 2 more answers
Finley’s pumpkin had a mass of 6.5 kilograms before he carved it. After carving it the pumpkin had a mass of 3.9 kilograms. What
katen-ka-za [31]
Hello.

The percent decrease in the mass of the pumpkin for this case will be given by:
 (100 - (3.9 / 6.5) * 100) =
 (100-60) =40%


 After carving it, the pumpkin decreases a percent of 40% in the mass.

Have a nice day
4 0
3 years ago
Read 2 more answers
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