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Deffense [45]
3 years ago
8

Can someone help me with number 18

Mathematics
1 answer:
frosja888 [35]3 years ago
6 0
You should buy the 0.8 kilogram block of wax because 1000 grams is equal to a kilogram and 1000 milligrams is equal to a gram. If you add all of these up, you will get less than 0.8 kilograms so it will be useless to get way more when you don’t need it.
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suppose you are standing on one bank of the river. A tree on the other side of the river is known to be 150ft tall. A line from
Eva8 [605]
You can use trigonometry and the tangent to get:
tan(11°)=150/x
so x=772 ft

3 0
3 years ago
Find the missing angle. <br> Select one:<br><br> 85°<br><br> 180°<br><br> 158°<br><br> 32°
Fed [463]

Answer:

missing angle 32 ...........

5 0
3 years ago
I NEED HELP IDENTIFYING THE SLOPE PLEASE !!! Pic attatched !!!!
Alexus [3.1K]

Answer:

see explanation

Step-by-step explanation:

Calculate the slope m using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = 2,4 ) and (x₂, y₂ ) = (5, 1)

m = \frac{1-4}{5-2}  = \frac{-3}{3} = - 1 ← negative slope

Repeat

with (x₁, y₁ ) = - 7,8) and (x₂, y₂ ) = (- 7, 0)

m = \frac{0-8}{-7+7} = \frac{-8}{0}

Division by zero is undefined, thus slope is undefined.

Repeat with

(x₁, y₁ ) = (6, - 3) and (x₂, y₂ ) = (- 4, - 3)

m = \frac{-3+3}{-4-6} = \frac{0}{-10} = 0 ← zero slope

Repeat with

(x₁, y₁ ) = (3, 5) and (x₂, y₂ ) = (- 1, 2)

m = \frac{2-5}{-1-3} = \frac{-3}{-4} = \frac{3}{4} ← positive slope

7 0
3 years ago
Please Answer Quick 70 Points !
Kipish [7]

Answer:

The ordered pair (7, 19) is a solution to the first equation because it makes the first equation true

The ordered pair (7, 19) is not a solution to the system because it makes at least one of the equations false

Step-by-step explanation:

we have

2x-y=-5 -----> First equation

x+3y=22 -----> Second equation

Solve the system of equations by graphing

Remember that the solution of the system is the intersection point both graphs

The solution is the point (1,7)

The ordered pair (7,19) lie on the first line, so is a solution of the first equation

see the attached figure

<u><em>Verify each statement</em></u>

case 1) The ordered pair (7, 19) is a solution to the first equation because it makes the first equation true

The statement is true

case 2) The ordered pair (7, 19) is a solution to the second equation because it makes the second equation true

The statement is false, because the ordered pair (7,19) not lie on the second line

case 3) The ordered pair (7, 19) is not a solution to the system because it makes at least one of the equations false

The statement is true

case 4) The ordered pair (7, 19) is a solution to the system because it makes both equations true

The statement is false,because it makes only the first equation true

6 0
3 years ago
A retail outlet's sales for January were $45,000. In February, these sales decreased 10%; but from February to March, sales incr
likoan [24]

Step-by-step explanation:

$44,550

7 0
2 years ago
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