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svp [43]
3 years ago
6

Can someone plz help for brainliest

Mathematics
2 answers:
Anni [7]3 years ago
8 0

Answer:

5.4 * 10^5

Step-by-step explanation:

We are multiplying to find this one.

Each second 15000 gallons of water flows.

There are 3600 seconds in an hour

15000 * 3600 = 54000000

54000000 in scientific notation is 5.4 * 10^5

sashaice [31]3 years ago
4 0

Answer: part 1 multiplying part 2 the answer is 15000 but I don't know what scientific notation means tell me in comments

Step-by-step explanation:

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Need someone’s help with this one
jasenka [17]

Answer:

x=30

Step-by-step explanation:

2×30=60

4×30=120

60+120=180(straight angle)

5 0
3 years ago
(Geometry) PLZ HELP ASAP
katen-ka-za [31]

Answer:66.4

Step-by-step explanation:

A_{semicircle} =\frac{1}{2}  \pi r^2=\frac{1}{2}  \pi (\frac{13}{2} )^2= 66.36614 \approx66.4

8 0
3 years ago
PLEASE help it would mean the world to me it would help so much please and thank you
castortr0y [4]
Area = 18 = 1/2 x 6 x (h+1)
h=5
3 0
3 years ago
The time, t, required to drive a certain distance varies inversely with the speed, r, if it takes 7 hours to drive the distance
user100 [1]
Inverse functions will be given by the following equation:

t * r = k

k is a constant value that the two variables must multiply to.

Plug in your t and r values:

7 * 55 = 385

k = 385.

Now we'll have to find a value that multiplies with 65 to equal 365.

Set up the following equation:

x * 65 = 385

This equation can also be treated as the following:

65x = 385

Divide both sides by 385 to get x by itself:

x = 5.92

The answer is C. about 5.92 hrs to drive the same distance of 385 miles.
6 0
3 years ago
A radio transmission tower is feet tall. How long should a guy wire be if it is to be attached feet from the top and is tomake a
Bond [772]

Answer:

<em> Length of guy wire is 590.6 ft</em>

Step-by-step explanation:

The complete question is

A radio transmission tower is  210  feet tall. How long should a guy wire be if it is to be attached 8 feet from the top and is to make an angle of  20°  with the ground. Give your answer to the nearest tenth of a foot.

height of tower = 210 ft

8 ft fro the top leaves 210 - 8 = 202 ft to the ground

This is an angle of elevation problem

the opposite is 202 ft

hypotenuse = ?

angle is  20°  

using sin ∅ = opp/hyp

sin  20°  = 202/hyp

0.342 = 202/hyp

hyp = 202/0.342 = <em>590.6 ft   this is the length of the guy wire</em>

3 0
3 years ago
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