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jeka57 [31]
3 years ago
12

NEED YOUR HELP ASAP!!!!

Mathematics
1 answer:
Akimi4 [234]3 years ago
4 0

Answer:

Angel: 5 min; Jayden: 4 1/6 min or 4 minutes and 10 seconds

Step-by-step explanation:

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Solve the simultaneous equation <br> 2x-5y=9<br> 3x+4y=2
Dmitriy789 [7]

Answer/Step-by-step explanation:

2x-5y=9

Add 5y  to both sides of the equation.

2x=9+5y

Divide each term by 2 and simplify.

Divide each term in 2x=9+5y by 2

\frac{2x}{2} =\frac{9}{2} +\frac{5y}{2}

Cancel the common factor of 2.

Divide x by 1.

x=\frac{9}{2} +\frac{5y}{2}

y=\frac{-9}{5} +\frac{2x}{5}

----------------------------------------------------------------------------------------------------------------

3x+4y=2

Add 4y to both sides of the equation

3x=2+4y

Divide each term by 3 and simplify.

Divide each term in 3x=2+4y by 3.

\frac{3x}{3} =\frac{2}{3} +\frac{4y}{3}

Cancel the common factor of 3.

Divide x by 1.

x=\frac{2}{3} +\frac{4y}{3}

y=\frac{-1}{2} +\frac{3x}{4}

5 0
2 years ago
Multiply.<br><br> 2.5(-4) <br><br><br><br><br><br> eeeeeeeeeeeeeeeeeeeeeeee
lidiya [134]

Answer:

x = 5/8 = 0.625

Step-by-step explanation:

8 0
2 years ago
7 out of 28 is what percent?
jeka57 [31]
Here's what I did and I checked it So it is correct!!

\frac{7}{28} = \frac{1}{4}

\frac{1}{4} = 0.25

25% is your answer.

28 \times 25\% = 7

--------------------------------------------------------

I hope that helps you!! Any more questions please feel free to ask!!
8 0
3 years ago
Read 2 more answers
Complete the open array model to find 1,950 ÷ 6.
gizmo_the_mogwai [7]

Answer:

The answer is 325

Step-by-step explanation:

3 0
3 years ago
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Find the slope. A. y= -1/2x - 19/2.
Dmitry [639]

The equation of the line follows the following general structure:

y=mx+b

Where m is the slope of the line and b is the y intercept.

Find the corresponding values in the given formula, this way:

In the given equation, m has a value of -1/2, it means the slope is -1/2.

5 0
1 year ago
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