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natka813 [3]
3 years ago
15

Check all that apply

Mathematics
2 answers:
Alinara [238K]3 years ago
7 0

Answer:

Check the 2nd and 3rd answer choices.  See below.

Step-by-step explanation:

Look carefully at the 2nd and 3rd of the given equations.  Note that each of these two can be made identical to 3x + 2y = -12 through multiplication of each by a constant.  Regarding the 2nd answer choice, if we multiply this equation by -1, we obtain 3x + 2y = -12.  Regarding the 3rd answer choice, if we mult. this equation by 5, we get 3x + 2y = -12 again.  

Thus, the 2nd and 3rd answer choice equation have the same solution as does 3x + 2y = -12.

shusha [124]3 years ago
6 0

3x + 2y = -12

equivalent to

-3x - 2y = 12

and

15x + 10y = -60

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Arthur's dog, Shep, had to go on a diet. After three months of dieting, Shep had lost 16% of his weight, which was 24 pounds. Ho
lidiya [134]

Answer: 150 pounds

Step-by-step explanation:

Let her initial weight be represented by x.

Since Shep had lost 16% of his weight, which was 24 pounds. Shep weight before he was put on a diet would be:

16% × x = 24

0.16 × x = 24

0.16x = 24

x = 24/0.16

x = 150 pounds

5 0
3 years ago
2+24+90____ <br> Next term <br> Please send the answer and way of finding it
weeeeeb [17]

Answer:

116

Step-by-step explanation:

why because  24+90=114 114+2=116


8 0
3 years ago
Read 2 more answers
Given a:b and b:c, find a:b:c. Write the ratio in simplest form. a:b=10:25 and b:c=45:27
Aleksandr [31]

Answer:

a:b:c=2:5:3

Step-by-step explanation:

a:b=10:25

a:b=2:5(divided by 5)

b:c=45:27

b:c=5:3(divided by 9)

a:b:c=2:5:3

6 0
3 years ago
-3r-8(8r+8)=-9(-4+9r)​
natulia [17]

Answer:

r= 7.14 (rounded to 2 decimal places)

Step-by-step explanation:

We have to solve this equation for the value of r. We will use distributive property and basic algebra to solve this.

Distributive property is  a(b+c) = ab + ac

Now, the steps of solving are shown below:

-3r-8(8r+8)=-9(-4+9r)\\-3r -64r-64=36-81r\\-67r-64=36-81r\\-67r+81r=36+64\\14r=100\\r=\frac{100}{14}\\r=7.14

Hence, value of r is 7.14 (rounded to 2 decimal places)

8 0
3 years ago
Factor completely, then place the factors in the proper location on the grid.
Lyrx [107]
4(x+5y)(x-3y)
I don't know what you mean by placing the factors on the grid
6 0
3 years ago
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