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julsineya [31]
2 years ago
15

Calculate the following without the use of a calculator.show all calculation 60-(-15)+(13) ​

Mathematics
1 answer:
Sholpan [36]2 years ago
3 0

Answer:

88

Step-by-step explanation:

60-(-15)+(13)

We open the braket which is

60+15+13

How we got + in d 60+15?

60-(-15)so we did minus ➖ × minus ➖ =+

What am trying to say is minus multipled by minus is plus.

So we add up 60+15+13

60+15=75

75+13=88

FINAL ANSWER =88.

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Please answer this !!!<br>5x + 100​
tensa zangetsu [6.8K]

x = 16°

Step-by-step explanation:

The sum of angles in a straight line = 180°

Therefore

5x + 100° = 180°

5x = 180° - 100°

5x = 80°

x = 80/5

x = 16°

4 0
2 years ago
Read 2 more answers
X + 4(x + 5) = 40 answer this
Ainat [17]
Distribute
x+4x+20=40
add like terms
5x+20=40
minus 20 both sides
5x=20
divide both sides by 5
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4 0
3 years ago
rugs Emporium installs carpet for $80 plus $9.50 per square yard of carpet carpets 4 U charges $120 for installation and $7.50 p
mihalych1998 [28]

The area of the carpet must be <u>greater than 20 square yards</u> for which Rugs Emporium charges more than Carpets 4U.

<u><em>Explanation</em></u>

Suppose, the number of square yards of carpet is  x

Rugs Emporium charges $80 plus $9.50 per square yard of carpet. So, the total charge for x square yards of carpet = (80+9.50x) dollar

Carpets 4U charges $120 for installation and $7.50 per square yard of carpet. So the total charge for x square yards of carpet =(120+7.50x) dollar

If the Rugs Emporium charges more than Carpets 4U , then the inequality will be.....

80+9.50x>120+7.50x\\ \\ 9.50x-7.50x>120-80 \\ \\ 2x>40\\ \\ x>20

So, the area of the carpet must be greater than 20 square yards for which Rugs Emporium charges more than Carpets 4U.


5 0
3 years ago
How do you Graph this <br> Y = 5x + 12<br> y = 2x - 4
SpyIntel [72]
Use the app Desmos it’s a graphing calculator! Or you can go to y= if you have a TI-84 plus calculator

7 0
3 years ago
Ratios 24 dollars for 9 books how much is worth one book
gizmo_the_mogwai [7]

Answer: 2.7

Step-by-step explanation:

24÷9=2.7

3 0
3 years ago
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