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s2008m [1.1K]
3 years ago
13

8x+4y=-3y 32+2y=7x-42

Mathematics
2 answers:
Rama09 [41]3 years ago
7 0

the answer equal to six I hope

DaniilM [7]3 years ago
4 0
For number 1: x= -7y/8
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Perform the indicated operation.<br> (5 - 2122
LUCKY_DIMON [66]

Answer:

5 - 2122 = -2,117

Step-by-step explanation:

When you're not sure how to add or subtract, you should probably just use a calculator.

-2,122 + 5 = -2,117

4 0
3 years ago
A driver is 15 feet below the surface of the water 10 seconds after he entered the water and 90 feet below the surface after 40
spin [16.1K]

Answer:

\frac{-75ft}{30sec} or simplified would be \frac{-2.5ft}{sec}

Step-by-step explanation:

In order to calculate the rate of change, we must subtract his end position and end time by the starting position and starting time. We are using the -15 feet since it is below the surface area as the starting position and the 10 seconds as the starting time. We make each of these into a fraction and subtract like so...

\frac{-90ft - (-15ft)}{40sec - 10sec} = rate of change

\frac{-75ft}{30sec} = rate of change

\frac{-2.5ft}{sec} = rate of change

Therefore, we can see that the rate of change of the diver is \frac{-75ft}{30sec} or simplified would be \frac{-2.5ft}{sec}

6 0
3 years ago
Please help with this question!!!​
Alexus [3.1K]

Answer: f (x) x 1/200

Step-by-step explanation:

6 0
3 years ago
What is the slope of the line that passes through (-3,4) and (-3,-4)
suter [353]

Answer:

undefined

Step-by-step explanation:

We can use the slope formula to find the slope

m = ( y2-y1)/(x2-x1)

    = ( -4-4)/( -3 - -3)

   = ( -4-4)/( -3+3)

   = -8/0

When we divide by zero, the answer is undefined so the slope is undefined

8 0
3 years ago
If DC is about 12 units, what other length(s) can you determine? Please don’t put a link as an answer.
anyanavicka [17]

Answer:

How is DC 12 units if all the sides are congruent and AB clearly states that it is 9 units long?

Doesnt make sense

5 0
3 years ago
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