3 years ago

Anyone know how to do this?

Mathematics

1 answer:

Svetach [21]3 years ago

7 0

Answer: 5^(-18)

Step by step solution: See photo

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What is the solution to the system of equation? Y=-5x+3 y=1

abruzzese [7]

A) (0.4,1)

y=y
-5x+3=1
-5x=-2
x=2/5 or 0.4

4 0

4 years ago

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Which of the following equations has the same solutions as the equation 3x + 2y= -12

tatuchka [14]

Answer:

x= -2/3y-4

Step-by-step explanation:

3x+2y=-12

3x+2y-2y= -2y-12

3x=-2y-12

3x/3= -2y/3-12/3

x= -2/3y-4

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3 years ago

Compute the mean score of these students The following data set are the quiz scores for 14 students. . 76,66,55,80,80,72,97,70,8

olga2289 [7]

Answer:

73.214285714285714285714285714286 (or 73 rounded down)

Step-by-step explanation:

76, 66, 55, 80, 80, 72, 97, 70, 80, 72, 88, 50, 63, 76

76 + 66 + 55 + 80 + 80 + 72 + 97 + 70 + 80 + 72 + 88 + 50 + 63 + 76 = 1025

1025/14 = 73.214285714285714285714285714286

73.214285714285714285714285714286 ≅ 73

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3 years ago

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find the perimeter of the parallelogram. please helps asap!! thank you so much. this is due soon! :(

Roman55 [17]

Answer:

31.8

p=2 a+ 2 b

6 0

3 years ago

4. Mary is reviewing her algebra quiz. She has determined that one of her solutions is incorrect. Which one is it? A. 2x + 5 (x-

OLEGan [10]

Answer:

E. t - 2t - 3t =32, t=8

Step-by-step explanation:

A. 2x + 5 (x-1)= 9, X= 2 it's ok because

$2x+5(x-1)=9\\ 2x+5x-5=9\\ 7x=14\\ x=2$

B. p - 3(p-5)= 10, p= 2.5 it's ok as well because

$p-3(p-5)=10\\ p-3p+15=10\\ -2p=-5\\ p=\frac{-5}{-2} \\ p=2.5$

C. 4 y +3 y=28, y=4 also it's ok because

$4y+3y=28\\ 7y=28\\ y=\frac{28}{7} \\ y=4$

E. t - 2t - 3t =32, t=8 it's not ok because

$t-2t-3t=32\\-4t=32\\t=\frac{32}{-4} \\t=-8$

a (-) is missing!

5 0

3 years ago