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tatiyna
3 years ago
8

How do you do 7-7(-4)

Mathematics
1 answer:
QveST [7]3 years ago
6 0

Answer:

35

Step-by-step explanation:

7-7(-4)

Using PEMDAS

Multiply first

7 +28

Then add

35

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PlEaSe HeLp GiViNg BrAiNlIeSt​
Romashka-Z-Leto [24]

2. The total number of ski trails is 12. That's how many numbers there are in the box.

3. The difference in length between the longest ski trail and the shortest ski trail is the biggest number minus the smallest number in the box. 3 1/8 minus 1 3/8 is 1 and 3/4. So the answer is 1.75 or 1 3/4, whichever one works.

4. There are 3 trails that are 2 7/8 miles long. so You do 2 7/8 times three or 2 7/8 plus 2 7/8 plus 2 7/8. That equals 8 19/40 which is the answer. Ti add them together first turn them into mixed numbers. 2 7/8 is the same as 23/8. 8x3=24.  23x3=69. 69/24 is the same is 8 19/40 through further simplification.

5. 3 1/8 plus 1 3/8 is 4 1/2 or 4.5

6. The shortest ski trail is 1 3/8.   1 3/8 times 3 is 4.125. 4 is greater than 3 which means Sam is automatically right.

8 0
3 years ago
Read 2 more answers
Find the missing side. Round to<br> the nearest tenth.
svet-max [94.6K]

Answer:

Step-by-step explanation:

28+9=37

37 rounding off to the nearest tenth=40°

7 0
3 years ago
M is the midpoint of DE. If MD = 4x - 6 and ME = 3x + 2, find the length of DE.
bekas [8.4K]
The length of the de uwb
5 0
3 years ago
[60 pts] The following are minimum wages (in dollars) for a random sample of five states in the U.S. 12, 17, 12, 18, 17.25 Find
SCORPION-xisa [38]

Hello! My name is Chris and I’ll be helping you with this problem.

Date: 9/27/20  Time:  9:50 pm CST

Answer:  

Mean : 15.25

Median : 17

Mode : 12

Range : 6

Explanation:

Mean:  Add up all numbers and divide by the quantity

of numbers : 12 + 17 + 12 + 18 + 17.25 = 76.25 | 76.25 / 5 = 15.25

Median: All numbers in from least to greatest, the one in the middle of all the numbers is the median. 12, 12, 17, 17.25, 18

Mode: Mode is what number appears most often in the set. 12, 17, 12, 18, 17.25

Lastly, Range: Range is the difference

between the highest and lowest numbers in the set 18 - 12 = 6

I hope this helped answer your question! Have a great rest of your day!

Furthermore,  

Chris

3 0
4 years ago
If 3y+2 is equal to -2+y then what is y
garik1379 [7]

Answer:

y=-2

Step-by-step explanation:

3y+2=-2+y

subtract the 1y from both sides leaving you with 2y+2=-2

Then subtract 2 from both sides leaving you with 2y=-4

Then divide by 2 on both sides leaving you with y=-2

5 0
3 years ago
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