3 years ago

What's 3 copies of 2 tenths

Mathematics

1 answer:

schepotkina [342]3 years ago

8 0

Multiply 2/10 by 3/1 and you should end up with 6/10

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Find the arc length 210° 13 cm

tamaranim1 [39]

Answer:

47.67

Step-by-step explanation:

210/360×2×22/7×13

=47.67

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3 years ago

4+3x the (x has an exponent of 4)=81

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Answer:

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Step-by-step explanation:

4 + 3x^4 = 81

4 - 4 + 3x^4 = 81 - 4

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x = 2.25 (Approximately)

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3 years ago

Solve for x! 37m,12m,5xm

dmitriy555 [2]

Answer:

$\Huge\boxed{x=7}$

Step-by-step explanation:

Hello there!

The first thing we want to do is find the measure of the large leg

To do so we use the Pythagorean theorem which says $a^2+b^2=c^2\\$

where a and b are legs and c is the hypotenuse

we want to find b given the hypotenuse and short leg

so $b^2=c^2-a^2$

all we have to do is plug in a ( a = short leg so a would equal 12) and c ( c = hypotenuse so c would equal 37)

$b^2=37^2-12^2\\37^2=1369\\12^2=144\\1369-144=1225\\b^2=1225\\\sqrt{b^2} =b\\\sqrt{1225} =35\\b=35$

so the longer leg is equal to 35

35=5x

divide each side by 5

5x/5=x

35/5=7

we're left with x=7

3 0

3 years ago