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3 years ago

How do I do it ?skskskksksk help

Mathematics

1 answer:

ivanzaharov [21]3 years ago

8 0

Answer:

lol you deleted my answer loser

Step-by-step explanation:

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Imagine that * represents a new operation so that a * b means to double a, and then add b. For example, 2 * 10 = 14. What is -3

Rudik [331]

Answer:

C 2

Step-by-step explanation:

-3 doubled = -6

-6 +8 = 2 so C 2

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4 years ago

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Find the height of the triangle<br><br><br> 10 points!

Scorpion4ik [409]

By the 6 trigonometric ratios in a right triangle

(sine, cosine, tangent, cotangent, secant, cosecant)

we have the following:

$\displaystyle{ sin20^o= \frac{opposite \ side}{hypothenuse}= \frac{x}{10}$

So, $x=10\cdot sin20^o$

sin20° must be given, or can be found using a calculator:

Using the calculator of our pc: Calculator- view:Scientific- press 20 then sin button, we find : sin20°=0.342

$x=10\cdot sin20^o=10\cdot0.342=3.42$

Answer: A)3.4

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3 years ago

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Pls answer this with an explanation if you can pt5

kkurt [141]

Answer:

B 1.25 hours

Step-by-step explanation:

total cost = flat fee + hourly charge* hours

120 = 45+60*h

We need to solve for h

subtract 45 from each side

120-45 = 45-45+60h

76 = 60h

Divide each side by 60

75/60 = 60h/60

1.25 = h

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3 years ago

Describe how to write 3,482,000,000 in scientific notation.

tangare [24]

Answer:

3.482 x 10^9

Step-by-step explanation:

3, 4, 8 and 2 are the only numbers that aren't zero, so they're in the first part of the equation. 3 is the first number, so it goes before the decimal while the others are behind it. There are 9 total spots behind the 3, which is why it's 10 to the 9th power in this notation.

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3 years ago

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Please answer this correctly

zysi [14]

Answer:

14.3%

Step-by-step explanation:

There is only one four out of 7 total numbers.

1/7 = 0.142857 = 14.29%

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3 years ago

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