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3 years ago

Im giving brainlist and 5 star

Mathematics

1 answer:

ahrayia [7]3 years ago

3 0

Its c because yea it just is udk how to explain it

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Given: ΔABC; a= 10; b = 13, and ∠C = 70°. Find the length of side c to the nearest whole number

Alexxandr [17]

Answer:

$c=13\ units$

Step-by-step explanation:

we know that

Applying the law of cosines

$c^2=a^2+b^2-2(a)(b)cos(C)$

we have

$a=10\ units\\b=13\ units\\C=70\°$

substitute

$c^2=10^2+13^2-2(10)(13)cos(70\°)$

$c^2=180.07$

$c=13\ units$

6 0

3 years ago

Thirteen earthquakes were measured using the Richter scale. Their magnitudes are listed below. What is the range for this data s

Nitella [24]

Your answer is going to be D. 3.6

The range is the greatest number in the data set subtracted by the least number in the data set.

Hope this helped!

8 0

3 years ago

Pls answer i will mark as branliest

Alexxx [7]

Answer:

A) Corresponding Angles Theorem (They correspond to each other)

B) If <XBC = 55 Then <XCB = 55

(Because they both are opposite to equal sides)

<u><em>Now, Finding <BXC:</em></u>

=> <BXC = 180-55-55 (Angles of a triangle add up to 180 degrees)

=> <BXC = 70 degrees

8 0

3 years ago

Each of the 5 members of a knitting club were asked to bring at least 2 1/2 skeins of yarn. How much yarn will the group end up

Art [367]

Answer:

The group will end up with 12 1/2 of yarn in total.

4 0

3 years ago

Pls help!!!

Digiron [165]

Answer:

For the given square root, two closest perfect square are are 0 and 1 and their square roots are 0 and 1 respectively.

Step-by-step explanation:

$\text{To find : Two closest square roots of }\sqrt{\frac{1}{5}}=\sqrt{0.2}\\\\ \sqrt{0}$

Hence, the two nearest square roots of the given square root are 0 and 1

For checking :

$\sqrt{\frac{1}{5}}=\sqrt{0.2}=0.45$

And, clearly 0.45 lies between 0 and 1

⇒ √0 < √0.2 < √1

⇒ 0 < 0.45 < 1

Hence, For the given square root, two closest perfect square are are 0 and 1 and their square roots are 0 and 1 respectively.

5 0

3 years ago