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Genrish500 [490]
3 years ago
11

I NEED HELP PLS ON THIS QUESTION ON MY STUDY GUIDE

Mathematics
1 answer:
matrenka [14]3 years ago
7 0

Answer:

4(n + 3) = 60

Step-by-step explanation:

In the question it says '3 more than the usual' and that is a big hint that it is 4(n + 3) = 60

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An athletic coach conducted an experiment to test whether a four-week stretching and flexibility program reduces the number of m
son4ous [18]

Answer:

The remaining 15 athletes did not participate in any type of flexibility program

3 0
2 years ago
PLEASE LOOK AT THIS multiple choice, thanks.
Y_Kistochka [10]

Answer:

The answer should be y= -2x + 8

Step-by-step explanation:

4 0
3 years ago
PLSSS HELP PANICKING
devlian [24]

Answer:

<h2>John has $15 and Alex has $33</h2>

Step-by-step explanation:

a systems of equations can be made from the information on the problem

x+y=48

x=2y+3

since x= 2y+3 substitute 2y+3 in the firat equation to get:

(2y+3)+y=48  -> 3y+3=48 -> 3y=45  -> y=15

plug in 15 for y in the second equation to solve for x

x+15 =48 --> x=33

8 0
2 years ago
Which operation can be used with the augmented matrix below?
ycow [4]

Answer:

Multiply row 2 by-1 and add it to row 3.

Step-by-step explanation:

The given augmented matrix is \left[\begin{array}{ccc}3&-21&15\\15&8&15\\-2&-1&3\end{array}\right]

The permissible row operations are:

1. Switching rows

2. Multiplying a row by a nonzero constant.

3. Adding/Subtracting two rows

 Therefore the correct option is: Multiply row 2 by-1 and add it to row 3.

5 0
4 years ago
7 more than twice a number x
torisob [31]
So,

"7 more than"
7 +

"twice a number x"
2 * x or 2x

"7 more than twice a number x"
7 + 2x or 2x + 7
5 0
3 years ago
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