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omeli [17]
3 years ago
10

Have another question! will give brainliest again

Mathematics
1 answer:
stepan [7]3 years ago
5 0

Answer:

-64

Step-by-step explanation:

If I represent the worker's position relative to the surface of the earth then

if we let Δy = the change of position.

Δy = 0 -64 \\ Δy = -64

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HELP PLEASE GEOMETRY find x and y
dimulka [17.4K]

3x + 30 + 2x - 20 = 360 \\ 5x + 10 = 360 \\ 5x = 350 \\ x = 70
y =  \frac{3x + 30 - 2x + 20}{2}  =  \frac{x + 50}{2}  =  \frac{120}{2}  = 60
3 0
3 years ago
Easy to read<br> Practice Problems<br> 1.4.-62
svetlana [45]

Answer:

1.4-62=-60.6

Step-by-step explanation:

Ask me if you need any other help!

6 0
3 years ago
Please explain how to do this, I'm using all my points<br><br>A. 40 L<br>B. 80 L<br>C. 4 L <br>D. 8L
exis [7]

Answer: choice A. 40 liters

====================================

Explanation:

x = number of liters of the 50% alcohol solution

If we have x liters of 50% alcohol, then we have 0.50*x liters of pure alcohol. This is added to 0.90*40 = 36 liters of pure alcohol (from the 90% solution).

So far we have 0.50*x + 36. This expression represents the total amount of pure alcohol. We want a 70% solution, so we want 70% of the total 40+x meaning 0.50*x + 36 is to be set equal to 0.70*(40+x) and we solve for x as shown below

0.50*x + 36 = 0.70*(40+x)

0.50*x + 36 = 0.70*(40)+0.70*(x)

0.50*x + 36 = 28+0.70*x

36 - 28 = 0.70*x - 0.50x

8 = 0.20x

0.20x = 8

x = 8/0.20

x = 40

So that is why the answer is choice A. 40 liters

6 0
3 years ago
What is the distance (in units) between points C and D? Round your answer to the nearest hundredth. A. 4.54 B. 5.00 C. 5.83 D. 3
Kryger [21]

Answer:

5.83 = CD

Step-by-step explanation:

We can use the pythagorean theorem to solve

The legs are the x and y distances

x = (1- -4) = 5 units and y = 3 units

a^2+ b^2 = c^2

5^2 + 3^2 = c^2

25+9 = c^2

34 = c^2

Taking the square root of each side

sqrt(34) = c  which is the distance from C to D

5.830951895 = CD

5.83 = CD

5 0
3 years ago
I need help with this
WITCHER [35]

Answer:

8.1

Step-by-step explanation:

8.1 is the highest as you would look at the first number before the decimal and is the highest in this equation.

3 0
3 years ago
Read 2 more answers
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