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scoray [572]
3 years ago
13

Harder than death itself I swear

Mathematics
1 answer:
tester [92]3 years ago
6 0

ok so first when u look at this kinda question, you see that it's a 30-60-90 triangle. that means it follows that angle rule.

so you can search up the rule for reference, but it's basically

30º -> x

60º -> x√3

90º -> 2x

alright and now you know that the leg opposite from the 30º is 7. That means that the leg opposite from the 60º will be (x)√3

now use substitution for x=7, and you'll get that

b = 7√3

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What does (d+3) represent in 4.5(d+3)=45
Scrat [10]

Answer:

(d + 3) would be 10

Step-by-step explanation:

<u>Step 1:  Distribute</u>

4.5(d + 3) = 45

(4.5 * d) + (4.5 * 3) = 45

4.5d + 13.5 = 45

<u>Step 2:  Subtract 13.5 from both sides</u>

4.5d + 13.5 - 13.5 = 45 - 13.5

4.5d = 31.5

<u>Step 3:  Divide both sides by 4.5</u>

\frac{4.5d}{4.5} = \frac{31.5}{4.5}

d = 7

<u>Step 4:  Determine what (d+3) is</u>

(d + 3)

(7 + 3)

10

Answer: (d + 3) would be 10

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Which rule can be used to describe the growth of the y vales of the function y=12^x over each interval from x=-1 to x=3?
valentinak56 [21]
The function is f(x)=12^x. 

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We can see that as x changes by 1 (with greater values), y increases by a factor of 12.


Answer: multiply by 12
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