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fenix001 [56]
3 years ago
8

PLS TELL ME WHAT THE LETTERS ARE FOR BRAINYLEST AWNSER

Mathematics
1 answer:
svp [43]3 years ago
8 0

Answer:

#1 : x= -16.5

#2 : x= 3.6

#3 : x= -75

#4 : x= 10 1/3

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

Hope it helps :)

Please mark me brainlist!

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What is 15-4-12? I NEED HELP ASAP! Ps we’re learning about subtracting integers on this problem.
Tatiana [17]

It's -1.

15 - 4 = 11

11 - 12 = -1

6 0
3 years ago
Josh takes a load of dress shirts to the dry cleaners. The amount he pays for dry cleaning (
saw5 [17]
The amount he pays is the number of shirts times 3 / 2 (or 1.5) 
unless the equation is f=3/(2s) where the cost would then be the number of shirts times two, divided by three
7 0
3 years ago
Read 2 more answers
Distance: Jack and Jill start from the same point and walk in'opposite directions. Jack
777dan777 [17]

Answer:

t = 6 km/hour

And, J would be 4 km per hour

Step-by-step explanation:

Let us assume the speed of Tom be T

And, the Speed of Jim  be J

Given that  

T - J = 2 km /hr ...........(i)

After 3 hours distance between them  = 30 km

As they are walking in the opposite direction

Thus,  

Net speed =T + J

L ÷ (T+J) = 3

30 ÷ (T+J) = 3

T +J =10 ..............(2)

After solving these two equations

2T = 12

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And, J would be 4 km per hour

6 0
3 years ago
The groundhog population of​ Punxsutawny, Pennsylvania is closely monitored each year. Two years ago the population decreased by
kap26 [50]

Answer:

There was a increase of 1.7% over these three​ years

Step-by-step explanation:

Multipliers:

For a decrease of a%, we multiply by: \frac{100-a}{100}

For a increase of a%, we multiply by: \frac{100+a}{100}

What was the percentage​ increase/decrease of groundhogs over these three​ years?

Decrease of 12%(multiplication by 0.88).

Increase of 6%(multiplication by 1.06).

Increase of 9%(multiplication by 1.09).

After these three years:

0.88*1.06*1.09 = 1.017

1.017 - 1 = 0.017

0.017*100% = 1.7%

There was a increase of 1.7% over these three​ years

3 0
3 years ago
Help plz:)))I’ll mark u Brainliest
rodikova [14]

Answe

Step-by-step explanation:

The interior angles of a triangle add up to 180. We know from the photo that there is a 90° angle and an 18° angle, and 90-18 is 72, so the other interior angle is 72°. The question is asking you to find the value of side x, so you'll need to use sin.

sin (72°) = x/16

x ≈ 15.2

4 0
3 years ago
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