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zhuklara [117]
2 years ago
15

Please help ill give brainliest

Mathematics
1 answer:
Olenka [21]2 years ago
6 0
1. y=7/8x +1
2. y=-10x
3. y=2.5x-7
4. y=1.2x
5. y=-5x-8
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5<br> 8<br> y<br> Find the exact value of y.<br> y =
inn [45]

Answer:

y=2\sqrt{10}

Step-by-step explanation:

By applying geometric mean theorem in the given right angle,

\frac{AD}{DB}=\frac{DB}{CD}

By substituting values in the given ratio,

\frac{5}{y}= \frac{y}{8}

y^2=8\times 5

y^2=40

y=2\sqrt{10}

Exact value of y is 2\sqrt{10}.

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3 years ago
A youth ice hockey game has 3 periods that are each 20 minutes long. Colin plays 12 minutes each period. Which ratio shows Colin
labwork [276]
The answer is 12:20.......................

4 0
3 years ago
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What is the factored form of the polynomial? X^2 -12+27?
Natali5045456 [20]

Answer:

(x-9)(x-3)

Step-by-step explanation:

Look to the number on the right, 27, and list out the factors. (1 and 27, 3 and 9, -1 and -27, -3 and -9)

Next, find the factors that would equal the middle number, -12, when added. -3 and -9 add to -12. Therefore, choose these numbers and put them in the form (x-9)(x-3).

5 0
3 years ago
If you spin the spinner two times, how many possible outcomes are there?
inessss [21]

Answer:

1 Answer. The chance of anding on A for one spin is 90+45360=38. So the probability of that happening twice in a row is 38×38=964.

Step-by-step explanation:

4 0
3 years ago
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Howard’s uncle gave him $885 for his tenth birthday. The money was invested in a savings account with interest compounded at 12%
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Principal Amount = P = $885
Amount Accumulated = A = $3500
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Time in years = t = ?

The formula for compounding is:

A=P(1+ \frac{r}{n})^{t*n}

Using the values, we get:

3500=885(1+ \frac{0.12}{2})^{2*t} \\  \\ &#10; \frac{3500}{885} =(1.06)^{2t} \\  \\ &#10;log(\frac{3500}{885})=log((1.06)^{2t}) \\  \\ &#10;log(\frac{3500}{885})=2tlog(1.06) \\  \\ &#10;t= \frac{log(\frac{3500}{885})}{2log(1.06)}  \\  \\  \\ &#10;t=11.80

This means, it will take him 11.8 or approximately 12 years 
6 0
4 years ago
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