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Helga [31]
2 years ago
5

I know i have been asking alot of questions today but i really need your help

Mathematics
2 answers:
koban [17]2 years ago
6 0

Answer:

n= 578 + 1160 x2

Step-by-step explanation:

I think--

denis-greek [22]2 years ago
4 0
578 I don’t know the rest but I remeber somewhere was 578
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Of the following types of energies that the Earth receives from the Sun, which type of energy causes
valentinak56 [21]

Step-by-step explanation:

c. ultraviolet energy

3 0
2 years ago
What is seven less than three times a number.
sukhopar [10]
Let’s use y as a replacement for a number. You would do 3y-7 since you multiply by three and take away seven.
3 0
2 years ago
Read 2 more answers
3x + 3y =15 and x = -3y -1
saul85 [17]

Answer:

  (x, y) = (8, -3)

Step-by-step explanation:

You can substitute for x in the first equation:

  3(-3y -1) +3y = 15

  -6y = 18 . . . . . add 3 and simplify

  y = -3 . . . . . . . divide by -6

  x = -3(-3) -1 = 8 . . . . find x using the second equation

The solution to this system of equations is (x, y) = (8, -3).

4 0
2 years ago
1. A rectangular prism has a width of 4 cm, a height of 8 cm and a depth of 7 cm. What is the
olganol [36]

Answer:

232

Step-by-step explanation:

5 0
2 years ago
The volume of a cone is 763.02. the radius and height of the cone are equal. What is the radius of the cone?
LUCKY_DIMON [66]

Answer:

The radius of the cone is 9cm

Step-by-step explanation:

This problem bothers on the mensuration of solid shapes, a cone

The volume of a cone is expressed as

V=1/3(πr²h)

We were told that the radius r and the height h are equal

I.e r=h

Substituting h=r in the formula we have

V= 1/3(πr²*r)

V =1/3(πr³)

To find the radius r let us substitute our given 763.02cm³ (note we assume unit in cm)

763.02= 1/3(3.142r³)

763.02= (3.142r³)/3

763.02*3=3.142r³

2289.06=3.142r³

r³=2289.06/3.142

r³= 728.54

r= ³√728.54

r= 8.99cm

≈r= 9cm

3 0
3 years ago
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