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aleksklad [387]
3 years ago
5

Please help me with this. 30 points! NO BOTS OR I'LL REPORT THEM!

Mathematics
1 answer:
dezoksy [38]3 years ago
7 0
Question 1. question 2. and question 3. Thanks! :)
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Enzo’s mean score is 44. Zahra’s mean score is 38. The difference between the mean scores is about how many times the mean absol
konstantin123 [22]
The correct answer is 1.
4 0
3 years ago
Find the value of<br> (-3)<br> Show work<br> Must show work!!
guajiro [1.7K]

Answer:

16/81

Step-by-step explanation:

(-2/3)^4

expand...

-2/3*-2/3*-2/3*-2/3

multiply

numerator: -2*-2*-2*-2=16

denominator: 3*3*3*3=81

Thus the fraction is 16/81

Hope this helps!!!

8 0
2 years ago
Use the elimination method to solve this system.
leva [86]

Answer:

The solution for this system is: x = -1, y = 1

Step-by-step explanation:

The problem states that we have to solve this system by the elimination method

In the elimination method, we transform the system in such a way that one variable can cancel each other. With this, we find the result of the other variable. Then, we can replace the variable we found in any of the equations, and we have the value of the variable that we had initially canceled.

In this problem, we have the following system:

1) -6x + 5y = 1

2) 6x + 4y = -10

If we add equations 1) and 2), the variable x is going to be eliminated

1) + 2)

-6x + 6x + 5y + 4y = 1 - 10

9y = -9

y = \frac{-9}{9}

y = -1

Now, we can replace the value of y in any of the equations, to find x:

I will replace in equation 2)

6x + 4y = -10

6x + 4(-1) = -10

6x = -6

x = \frac{-6}{6}

x = -1

The solution for this system is: x = -1, y = 1

5 0
3 years ago
Which problem can be solved using this inequality?<br> x + 5 ≤ 20
Fed [463]

Answer:

Beth is purchasing school supplies. She knows that the price for her pencil case is $5. She only has $20 to spend. What is the most amount of money she can spend on the remaining supplies?

Step-by-step explanation:

b

20 dollars is the whole value of the right side of the inequality that is greater or equal to x+5

3 0
3 years ago
Read 2 more answers
Which quadratic function has one real solution? 0 = 2(x + 7)(x – 5) 0 = (x – 3)(x – 3) 0 = 2.4(x – 2)(x + 2) 0 = (x – 2)(x – 1)
NikAS [45]

0 = (x – 3)(x – 3)

x - 3 = 0

x = 3

Solution is x = 3 (one real solution)

Answer

0 = (x – 3)(x – 3)

6 0
3 years ago
Read 2 more answers
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