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3 years ago

5

RIP my points went down alot ;-; gived away 1k+ points today. sry i couldnt give more. ill give brainliest to first person that

answered

1 answer:

8_murik_8 [283]3 years ago

3 0

Heya, how are you doing today ^-^

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What is the slope of the line with points (-5, -4) and (2, 7)?

jolli1 [7]

Answer:

m = 11/7

Step-by-step explanation:

m = y2-y1/x2-x1

m = 7-(-4)/2-(-5)

m = 7+4/2+5

m = 11/7

6 0

3 years ago

Calculate the length b to two decimal places.

Andrej [43]

Answer:

B. 21.64

Step-by-step explanation:

We have been given a triangle and we are asked to find the length of AC (b).

We will use law of cosines to find the length of side AC.

$c^{2}=a^{2}+b^{2}-2ab \text{ cos }\theta$

Upon substituting our given values in the formula we will get,

$(AC)^{2}=15^{2}+12^{2}-2\times 15\times 12 \text{ cos}(106)$

$(AC)^{2}=225+144-360\text{ cos}(106)$

$(AC)^{2}=369-360(-0.275637355817)$

$(AC)^{2}=369+99.22944809412$

$(AC)^{2}=468.22944809412$

Upon taking square root of both sides of our equation we will be get,

$AC=\sqrt{468.22944809412}$

$AC=21.6386101238993629\approx 21.64$

Therefore, the length of b is 21.64 and option B is the correct choice.

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3 years ago

A boat travels 45 miles east (right) then 60 miles north (up), how far is it from the starting point?

tekilochka [14]

A boat travels 45 miles east then 60 miles north, how far is it from where it started. Draw this. The hypotenuse of the right triangle is the square root (45^2)+(60^2)=square root of 2025=3600=square root of 5625, or 75 miles.

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3 years ago

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Is 39.81 rational or irrational

Andru [333]

Answer:

its rational

Step-by-step explanation:

:)

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3 years ago

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What is the first step to solve this equation: 12-4x=54

ValentinkaMS [17]

Answer:

B. subtract 12 from both sides

Step-by-step explanation:

12-4x=54

<u>-12 -12</u>

<u>-</u><u>4</u><u>x</u><u>=</u><u>4</u><u>2</u>

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3 years ago

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