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vichka [17]
4 years ago
15

PLEASE HELP FOR 87 POINTS!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
Anton [14]4 years ago
6 0
1. You can expand the coefficients to yield 6, and add the powers since the bases are the same (ie A)

2. y⁻² can also be rewritten as 1/y², so it becomes 1/y² · 1/y⁵ = 1/y⁷ (ie C)

3. Only the x is affected by the power.

4. y = 3·5ˣ doesn't change in slope, so it essentially is similar to a 5ˣ graph.

5. Should be pretty straight forward.
6. Should be pretty straight forward.
7. Should be pretty straight forward.

8. Since x is the length of the border, calculate the area of the frame and subtract that from the area of the square painting. (Remember that the length of the square painting is x - 8, not x - 4)

9. Should be pretty straight forward.
11 - 25 are pretty much similar to each other.
If you have trouble, let me know and I'll walk you through it.
ivanzaharov [21]4 years ago
3 0

Answer:

x=9

x=2

Step-by-step explanation:

Calculate the area of the frame and subtract that from the area of the square painting. (Remember that the length of the square painting is x - 8, not x - 4)

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Lourdes is making a frame in the shape of a parallelogram. She adds diagonal braces to strengthen the frame. Parallelogram A B C
zimovet [89]

Answer:

60 cm

Step-by-step explanation:

Parallelogram ABCD is shown in attached diagram. The diagonals of the parallelogram bisect each other, so

AE = EC

BE = ED

Ib DE = 3y + 6 cm, BE = 5y - 10 cm, then

3y+6=5y-10\\ \\3y-5y=-10-6\\ \\-2y=-16\\ \\2y=16\\ \\y=8\ cm

Now, EC = 2y + 4, so

EC=2\cdot 8+4=16+4=20\ cm

Since AE = EC, then AE = 20 cm

The brace that connects points B and D has the length

BD=BE+ED=3y+6+5y-10=8y-4=8\cdot 8-4=64-4=60\ cm

The brace that connects points A and C has the length

AC=AE+EC=20+20=40\ cm

8 0
3 years ago
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The carnival also offers two magic shows. The morning show is only 20 minutes and it costs $3.75. For the afternoon show, it is
Oksi-84 [34.3K]

Answer:

35 min show

Step-by-step explanation:

3.75 / 20 = .1875

5.25 / 35 = .15

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5 0
3 years ago
Anne has 8 unmarked computer disks in a​ box, where each is dedicated to exactly one of English​, Spanish​, Mathematics, compute
slavikrds [6]

Answer:

The correct answer is 0.125.

Step-by-step explanation:

Anne has 8 unmarked computer disks in a​ box, namely one of English​, Spanish​, Mathematics, computer science, biology​, SAT preparation, college applications, and American history.

Let the experiment be to pick up the SAT preparation disk from this set of 8 disk

Possible outcome is only one as there is only one SAT preparation disk.

Total number of outcomes, i.e. total number of disks available is 8.

Probability of picking of SAT preparation disk is

Probability = \frac{possible outcomes}{All outcomes} =  \frac{1}{8}.

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4 years ago
I NEED HELP BADLY!!!!
e-lub [12.9K]
For ADC you just add those two numbers. your answer would be D) 131 
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7x + 5 = 4x + 5 + 3x

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