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navik [9.2K]
3 years ago
7

Can some help me with 13 14 15 and 16 please

Mathematics
1 answer:
lidiya [134]3 years ago
8 0
Sorry but the question don't pop up for me
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I still don’t get how to do this. Someone help me understand please
solong [7]

Answer:

Step-by-step explanation:

You know that the x-axis is horizontal, so it has slope = 0.

Point-slope equation for line of slope 0 that passes through (-7,9):

y-9 = 0(x+7)

y = 9

6 0
3 years ago
Please please plz plz plz plz plz plz plz plz plz please please help me plz
Xelga [282]
To solve for these, we will use formulas and convertions as we go.
For 1:
We are looking for kg (kilograms) to g (grams). 1 g = 0.001 kg.
We have 2.5 kg. This means we must multiply 2.5 by 1,000.
2.5 x 1,000 = 2,500.
1.) is 2,500 grams.
For 2:
This problem has multiple steps, but we will successfully solve it. As of now, we have yards. There are 3 feet in a yard, and 12 inches in 1 ft. We will convert yards to feet, and then feet to inches.
500x3 = 1500, 1500 x 12 = 18,000.
2.) is 18,000 inches.
For 3:
There are 2,000 pounds in 1 ton. Using this, we can determine how many tons we have.
7,000/2,000 = 3.5
3.) is 3.5 tons.
I hope this helps!
5 0
3 years ago
A pile of dirt is cone shaped and it has a height of 10 feet and a diameter of 24 feet. Find the volume. * The answer is NOT 157
Masteriza [31]
You'll need to specify the accuracy to which you want your answer.  For example:  "Find the volume of this cone to 3 decimal place accuracy."

The formula for the volume of a cone is  V = (1/3) (base) (height), where "base" represents the area of the base.

Here the diameter of the base is 24 feet, so the radius of the base is 12 feet.
Thus, the area of the base is  (12 feet)^2 times pi:     A = 144 pi ft^2.

Multiply this area by the height of the cone, which is 10 feet:

V = 1440 pi ft^3

By calculator, this volume is  4523.893421 cubic feet.

If you want this volume to the nearest cubic foot, it'd be 4524 cubic ft.
If you want this vol. to the nearest 100th cubic ft., it'd be 4523.89 cu. ft.
6 0
4 years ago
Will give brainliest if right!!!!!
serg [7]

Answer:

A and D

Step-by-step explanation:

okay so the -3 is x and x is the line that goes grom left to right, then the y that is the line that goes up and down you see where the 0 is located at, and well yeah, sorry I am not good at explaining it and if I am wrong I am sorry. lol

5 0
3 years ago
Read 2 more answers
6x-5y = 15<br><br> x=y+3<br><br> x=<br><br> y=
Zina [86]

Answer:  x = 0  y = –3

Step-by-step explanation:

We can solve this system by substitution.

use the second equation as a value for x.

Then substitute that value  in place of x in the first equation and solve for y.

6x - 5y = 15 becomes

6(y + 3) - 5y = 15  Distribute 6 × parentheses

6y + 18 - 5y = 15 combine like terms

6y -5y + 18 = 15

y + 18 = 15   Subtract 18 from both sides.

y =15 -18

y = –3

Use this value for y in either equation to solve for x

6x - 5(-3) = 15

6x + 15 = 15    Subtract 15 from both sides, divide by 6 (seems silly!)

x = 0

OR in he second equation,

x = -3 + 3  

Again, x = 0

6 0
3 years ago
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