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Ahat [919]
3 years ago
15

Need help ASAP midterm - 40 points .

Mathematics
1 answer:
evablogger [386]3 years ago
8 0

Answer:

how do you want me to help you with

Step-by-step explanation:

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Someone help me with the answer please
elena-14-01-66 [18.8K]
Given,
2pen and 5 pencil cost 120
3pen and 2 pencil cost 114
let pen be X and pencil be Y
2x+5y=120 ......(1)
3x+2y=114 ........(2)
solving 1 and 2 , we can get the value of pen and pencil.
x=30
Y=12
6 0
3 years ago
Read 2 more answers
If m<1 is the supplement of m<2 and the measure of each angle is given:
svp [43]

Answer:

m<1 = 121°

m<2 = 59°

Step-by-step explanation:

If m<1 is the supplement of m<2 and the measure of each angle is given:

m<1=2x+65

m<2=3x-25

Find m<1:

When two angles are supplement of each other, there sum is equal to 180°

i.e m<1 + m<2 = 180°

Putting values and finding angle 1

2x+65+3x-25=180\\5x+40=180\\5x=180-40\\5x=140\\x=\frac{140}{5}\\x=28

So, we get x=28

Now finding m<1 by putting x=28

m

Now, finding m<2 by putting x=28

m

So, we get:

m<1 = 121°

m<2 = 59°

8 0
3 years ago
1.4(8.5 divided by 0.5) <br><br><br>HELP ME PLEASE!!! ​
Sergeu [11.5K]

Answer:

23.8

Step-by-step explanation:

8.5/0.5 = 17

17 x 1.4 = 23.8

8 0
3 years ago
Read 2 more answers
3) Tristan is selling plastic and wooden picture frames. He sells 7) frames total. The number
jolli1 [7]

Answer:

2x - 5 = 7

2(6) = 12

12 - 5 = 7

He sells 3 plastic

4 plastic wooden frames

3 plastic frames

Step-by-step explanation:

4 plastic wooden frames

3 plastic frames

8 0
3 years ago
Explain how you used mental math
andriy [413]
Addition, I would use the principles of addition. 
4 0
4 years ago
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