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antoniya [11.8K]
2 years ago
5

Can someone help me solve this?

Mathematics
1 answer:
Luda [366]2 years ago
8 0

Answer:

\dfrac{7\pi}{18}

Step by step explanation:

70^{\circ}=\dfrac{70\pi}{180}~~\text{radians}=\dfrac{7\pi}{18}~~\text{radians}

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HELP ME PLEASE!!! I NEED HELP PLEASE!!!
Vanyuwa [196]
All of them.
This is what they will turn out to be
A will end up being 2xy
B will end up being 9x^2
C will end up being 3y
D will end up being 9x^2y^4
8 0
2 years ago
The permiter of a square must be less than 160 feet. What is the maximum length of a side in feet?
ale4655 [162]

Answer:

39 ft

Step-by-step explanation:

40 feet would have been if the perimeter was 160ft. so since it has to be less than 160 the maximum (whole number) length of a side would be 39.

3 0
3 years ago
Read 2 more answers
A water tank is in the shape of a right circular Austin simulato water tank is in the shape of a right circular Cylinder with a
Burka [1]
⓵ To calculate the volume of a right circular cylinder, the formula is π times the radius of the circular base² time the height of the cylinder.

⓶ Now that we know that the equation to calculate the volume of a right circular cylinder is :

V = π x (r²) x h

You need to find the numbers to replace the volume (V) and the height (h) in the formula.

We already know that the volume is 320 square feet and that the height is 20 feet.

So we are left with a formula looking like this :

320 = π x (r²) x 20

⓷ Now we need to find the radius of the circular base! To do so, you need to solve this equation and isolate the “r”. Start by simplifying the right side :

320 = π x (r²) x 20
÷20 ÷20

↓

16 = π x r²
÷π ÷π

↓

5,09 ⋍ r²
√ √

↓

2,26 feet ⋍ r

⓸ Now that we knoe the value of the radius of the circular base, all there’s left to do is multiply this number by two in order to find the diameter of the water tank :

2,26 x 2 = d

↓

4,51 feet ⋍ d

So your final answer is : the diameter of the water tank is about 4,51 feet.

** Since I devided by “π”, all the answers I wrote from that point are rounded to the nearest hundredths just to make things easier to visualize, but I kept all of the decimals when doing the calculations. So it is possible that your answer might differ slightly from mine if you use the rounded numbers to calculate everything. Just keep that in mind!

I hope this helped, if there’s anything just let me know! ☻
4 0
3 years ago
B2+4 <br> when b =3<br><br> help me please !!!!
Vadim26 [7]

Answer:

10

Step-by-step explanation:

P.s. Coefficient always goes before the variable

= 2b + 4

= 2(3) + 4    Substitute b for 3

= 6 + 4

= 10

8 0
2 years ago
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Manny and Emma are entering a long jump competition at their school. Manny can jump 4/5 of the distance Emma can jump. Manny can
valina [46]


50 inches       4/5*x=40

                       x=40/(4/5)

                        x=40*5/4=200/4=50          x=50 inches

5 0
3 years ago
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