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3 years ago

11

WILL GIVE BRAINLIEST!

1 answer:

Mariana [72]3 years ago

5 0

An hour is 60 mins long. 30 mins is half of it. If we take 12 miles in an hour, divide it by 2, it will be 6 miles in 30 mins, and if we take 8 miles, divide it by 2, it would be 4 miles in 30 mins. Since the questions telling us how far apart are north cyclists, we’re adding 6 and 4 to get 10 miles. In conclusion, both cyclists are 10 miles apart. I might be wrong, but that’s the best I can do.

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one angle is five degrees less than three times the degree measure of another angle. together, the angles measures have a sum of

zhannawk [14.2K]

X+(3x-5)=143
4x-5=143
4x=143+5
4x=148
x=148/4
x=37

3(37-5)=3(32)=96

angles are 37, and 96

3 0

3 years ago

Help me please!! I really really need it!! (:

rodikova [14]

The answer is 2. Hope this helps!

3 0

4 years ago

Heron’s formula: Area = An equilateral triangle has a semiperimeter of 6 meters. What is the area of the triangle? Round to the

nordsb [41]

Answer:

7 m^2

Step-by-step explanation:

$s = \dfrac{a + b + c}{2}$

$A = \sqrt{s(s - a)(s - b)(s - c)}$

$s = 6$

$\dfrac{a + b + c}{2} = 6$

$a = b = c$

$\dfrac{a + a + a}{2} = 6$

$3a = 12$

$a = b = c = 4$

$A = \sqrt{6(6 - 4)(6 - 4)(6 - 4)}$

$A = \sqrt{6(2)^3$

$A = \sqrt{48}$

$A = 6.92820...$

$A = 7~m^2$

4 0

3 years ago

Read 2 more answers

What is 5 times 9 divided 5 add 40 subtract 100

Sladkaya [172]

Answer:

-51

Step-by-step explanation:

5 0

3 years ago

if the circumference of a circle is 52 cm, what is the radius? round to the nearest tenth. PLESE HELP I DONT HAVE THAT MUCH TIME

Step2247 [10]

Answer:

8.3

Step-by-step explanation:

<em><u>Given</u></em><em><u>, </u></em>

Circumference of the circle = 52 cm

<em><u>Therefore</u></em><em><u> </u></em><em><u>,</u></em>

<em>By</em><em> </em><em>the</em><em> </em><em>problem</em><em>, </em>

$= > 2\pi r = 52$

$= > 2 \times 3.14 \times r = 52$

$= > r = \frac{52}{3.14 \times 2}$

=> r = 8.2802547771

<em>Rounded</em><em> </em><em>to</em><em> </em><em>nearest</em><em> </em><em>tenth</em><em>,</em>

=> <em><u>r = 8.3 (Ans)</u></em>

5 0

3 years ago