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Alecsey [184]
3 years ago
9

Evaluate 12 X (1.4+8.59) writing your answer in its simplest form.

Mathematics
1 answer:
Charra [1.4K]3 years ago
6 0

Step-by-step explanation:

1.4+8.59= 9.99

12 X 9.99 = 119.88

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Y=x+7<br> y=3x+5<br> i need it asap !
Reptile [31]

Answer:

Step-by-step explanation:

y=x+7.........(1)

y=3x+5.......(2)

Equating the two equations

3x +5 = x + 7

3x -x = 7 - 5

2x = 2

x = 2/2

x = 1

Putting x = 1 in (1)

y = x + 7

y = 1 + 7

y = 8

7 0
3 years ago
Use the quadratic formula to find the exact solutions of x2 - 5x - 2 = 0.
Fudgin [204]

Step-by-step explanation:

{x}^{2}  - 5x - 2 = 0 \\ a = 1 \: and \: b =  - 5 \: and \: c =  - 2 \\ x =  \frac{ - b± \sqrt{ {b}^{2} - 4ac } }{2a}  \\ x =  \frac{ - ( - 5)± \sqrt{ {( - 5)}^{2}  - (4 \times 1 \times  - 2)} }{(2 \times 1)}  \\ x =  \frac{5± \sqrt{33} }{2}  \\ either : x =  \frac{5 +  \sqrt{33} }{2} \:  or \:  \frac{5 -  \sqrt{33} }{2}  \\ x = 5.4 \: or \:  - 0.4

6 0
3 years ago
What percent of 75 is 15 <br><br> rebember to wright answer in percent form
mel-nik [20]

Answer:

20%

Step-by-step explanation:

3 0
3 years ago
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3/4 divided by 1/5 PLEASE ANSWER
sergejj [24]

Answer:

3.75

Step-by-step explanation:

To make it a fraction form answer, you multiply the dividend numerator by the divisor denominator to make a new numerator.

Furthermore, you multiply the dividend denominator by the divisor numerator to make a new denominator:

To make the answer to 3/4 divided by 1/5 in decimal form, you simply divide the numerator by the denominator from the fraction answer above:

15/4 = 3.75

The answer is rounded to the nearest four decimal points if necessary.

15/4 is an improper fraction and should be written as 3 3/4.

 

 

3 0
2 years ago
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Evaluate this exponential expression 7 • (6+2)^2 - 3^2=
Lelu [443]

Answer: 441

Step-by-step explanation:

7*(6+2)^2-3^2

7*8^2-3^2

7*64-9

448-9

441

3 0
2 years ago
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