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____ [38]
4 years ago
13

What is 524.47 rounded to the nearest tenth?

Mathematics
2 answers:
Alexxandr [17]4 years ago
6 0
B. 524.5


hoped I helped :)
kolbaska11 [484]4 years ago
3 0
The tenth place is the first number to the right of a decimal. To determine if you're rounding or not, check the hundred's place, 2 numbers to the right of a decimal, for 5 or higher. If it's .45, round to .5, if it's .44, round to .4
Your answer is 524.5, which is B.)
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If a triangle is 12 inches high and has a 20 inch long hypotenuse then how wide is it?
Ber [7]

Answer:

The triangle should be 16 inches wide.

Step-by-step explanation:

\text {Use the Pythagorean Theorem to solve for the leg.}\\a^2 + b^2 =c^2

What we know:

  • One of the legs measures 12 inches.
  • The hypotenuse is 20 inches.

We need to solve for b. Solving for a while b is 12 would also be acceptable.

12^2 + b^2 = 20^2  \text {  OR  }   a^2 +12^2=20^2

We will use the first equation.

12^2 + b^2 = 20^2\\12 * 12 = 144\\20 * 20 = 400\\\\\boxed {144 + b^2 = 400}

\text {Subtraction property of equality: }\\144-144+ b^2 = 400-144\\\boxed {b^2 = 256}\\\\\text {Take the square root of 256: }\\\sqrt{256}=\sqrt{b^2} \boxed {16 = b}

The triangle should be 16 inches wide.

3 0
4 years ago
Mrs. Cho drives 45 miles in 1 hour.If her speed stays constant,how many hours will it take for her to drive 405 miles?
Nata [24]
The correct answer is 9 hours. 405 divided by 45 is 9.
5 0
4 years ago
Read 2 more answers
25/160 into a decimal??
Andrej [43]

Answer:

0.15625

<em>Explanation:</em>

Divide:

<em>25 divided by 160</em>

<em>Which Equals by</em>:

0.15625

Step-by-step explanation:

Hope this Helps!!

7 0
3 years ago
Read 2 more answers
PYTHAGOREAN THEORM PLEASE HELP ME
madreJ [45]

Answer:

Yes.

The first has an area of 9, so each side is three.

The second has an area of 16, so each side is four.

Each side of the third square is given as 5.

So the triangle has sides of 3, 4, and 5.

3²+4²=5²

9+16=25

25=25 It works given the Pythagorean theorem.

Step-by-step explanation:

Yes.

The first has an area of 9, so each side is three.

The second has an area of 16, so each side is four.

Each side of the third square is given as 5.

So the triangle has sides of 3, 4, and 5.

3²+4²=5²

9+16=25

25=25 It works given the Pythagorean theorem.

6 0
3 years ago
Simply the expression using the distributive property. PLEASE HELP​
katovenus [111]
7a+14 thats is the answer for the problem
5 0
3 years ago
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