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Effectus [21]
3 years ago
11

Which is the standard form of the equation of the parabola that has a vertex of (-4,-3) and a directrix of x = 2?

Mathematics
1 answer:
maxonik [38]3 years ago
6 0

Answer:

C.

Step-by-step explanation:

i took the test

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How many solutions does this system have?
vagabundo [1.1K]

Answer:

d

Step-by-step explanation:

it has the same slope but not the same y-int

5 0
3 years ago
NEED HELP ASAPInstructions: Find the length of the missing sides. Round your answers to the
Pie

Answer:

x = 9.4

y = 17.7

Step-by-step explanation:

Given: The figure

Required: Find x and y

The relationship between length x, length 15 and angle 32 is as follows:

tan \theta = \frac{opp}{adj}

So, we have:

tan\ 32= \frac{x}{15}

Cross multiply:

x =15*tan\ 32

x = 15 * 0.6248693519

x = 9.3730402785

x = 9.4 --- approximated

Similarly:

The relationship between length y, length 15 and angle 32 is as follows:

cos \theta = \frac{adj}{hyp}

So, we have:

cos\ 32= \frac{15}{y}

Cross Multiply:

y * cos\ 32= 15

Solve for y

y = \frac{15}{cos\ 32}

y = \frac{15}{0.84804809615}

y = 17.6876760506

y = 17.7 --- approximated

8 0
3 years ago
Solve for slope y=4x+6
Semmy [17]

Answer:

4

Step-by-step explanation:

y = mx+b where m is slope so the slope is 4

3 0
3 years ago
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Choose the right answer.
Pavel [41]

Step-by-step explanation: last year

3 0
3 years ago
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What would be the value of 150 after eight years if you earn 12 percent interest per year
Monica [59]
The answer depends on what type of interest. If you are using compound interest, then the interest is different every year, as the amount you earn goes up because the amount you have in the bank goes up. Simple interest is the opposite, as you earn one amount each year, and it does not change.
So.....
Simple Interest:
0.12 * 150 = 18
18 * 8 = 144
144 + 150 = $294
Compound Interest:
150(1 + 0.12)^8
150 * 1.12^8
150 * 2.475 = $371
5 0
3 years ago
Read 2 more answers
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