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Katen [24]
3 years ago
13

Select ALL the equations that are equivalent to the equation y + 5 = -3(x - 1). Be sure to select ALL that apply.

Mathematics
1 answer:
KiRa [710]3 years ago
7 0
The answers to this question are y = -3x - 2 and 3x + y = -2
                                             y + 5 = -3(x - 1)
                                             y + 5 = -3x + 3  
                                                   y = -3x - 2 --> a choice
                                           3x + y = -2 -- > a choice 
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Can anyone help me with this?
Semmy [17]

Step-by-step explanation:

for a it's y=12x+60

for b it's y=1x+21

for c it would be) 40-70=-30/1-3=-2 and then divide -30/-2 is 15.

for d it would be y=20x+20

it would be ethier a or d

6 0
3 years ago
What is the value of the following expression 1.8 + 0.5(y + 6) - 2 t the power of 3 when y = 14?
Vikentia [17]

Answer:

The value of given expression is 3.8.

Step-by-step explanation:

Given:

1.8+0.5(y+6)-2^3

We need to find the simplified value of given expression using y =14

Solution:

Now we will substitute y =14 we get;

1.8+0.5(y+6)-2^3\\\\1.8+0.5(14+6)-2^3

Now using PEDMAS we will first solve the parenthesis we get;

1.8+0.5\times20-2^3

Now we will solve the exponent function we get;

we know that;

2^3=8

So we can say that;

1.8+0.5\times20-8

Now we will solve the multiplication operation.

1.8+10-8

Now we will perform addition operation.

11.8-8

And finally we will perform subtraction operation.

3.8

Hence The value of given expression is 3.8.

3 0
4 years ago
Solve for y in the following equation.
Tju [1.3M]

Answer:

y = \frac{z^2 - x}{2}

Step-by-step explanation:

Given:

\sqrt{x + 2y} = z

Required:

Solve for y (make y the subject of the formula)

SOLUTION:

\sqrt{x + 2y} = z

Square both sides

(\sqrt{x + 2y})^2 = z^2

x + 2y = z^2

Subtract both sides by x

2y = z^2 - x

Divide both sides by 2

y = \frac{z^2 - x}{2}

5 0
3 years ago
NEED HELP !!!!! Pasbmsbsjshdvssndbns
Firlakuza [10]

Answer:

Wouldn't it be 4.9 cm since its probably adding them together

3 0
3 years ago
Read 2 more answers
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alexira [117]
Volume of the carton = 1000 cubic inches. Dimensions of a carton are 10"×10"×10"
4 0
4 years ago
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