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Hatshy [7]
3 years ago
8

What is the change in elevation from 8,500 m to 3,400 m?

Mathematics
2 answers:
horrorfan [7]3 years ago
4 0

Should be 5,100 from the information that is given.

Lyrx [107]3 years ago
4 0

Answer: 5,100 meters

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Consider a graph of the equation y = −3x + 4. What is the y-intercept?
Murrr4er [49]
Y = -3x + 4
In y = mx + b form, the y intercept will be in the b position.

y = mx + b
y = -3x + 4......so ur y intercept is 4.....or (0,4)

just so u know....in y = mx + b form, the slope will be in the m position....so ur slope would be -3
5 0
3 years ago
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(8+2b)+(-4+6x)+(6+9m)
ANTONII [103]

Answer:

2 b + 9 m + 6 x + 10

Step-by-step explanation:

2 b + 4 + 6 x + 6 +9 m

2 b + 6 x + 10 + 9m

2 b + 6 x + 9 m + 10

= 2 b + 9 m + 6 x + 10

3 0
2 years ago
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After breaking your penny bank, you notice that you have $4.87 in quarters ($0.25), dimes ($0.10), nickels ($0.05), and pennies
ira [324]

Answer: Option 'c' is correct.

Step-by-step explanation:

Let the number of dimes  be 'x'.

Let the number of nickels  be '\dfrac{3}{2}x'.

Let the number of pennies be \dfrac{3}{2}\times 2x=3x

Let the number of quarters be '3x-34'.

As we know that

1 quarter = $0.25

1 dime = $0.10

1 nickel = $0.05

1 penny = $0.01

According to question, we get that

0.10x+0.05\times \dfrac{3x}{2}+0.01\times 3x+0.25(3x-34)=4.87\\\\0.10x+0.075x+0.03x+0.75x-8.5=4.87\\\\\\0.955x=4.87+8.5\\\\0.955x=13.37\\\\x=\dfrac{13.37}{0.955}\\\\x=14

So, the number of pennies is given by

3x=3\times 14=42

Hence, Option 'c' is correct.

3 0
2 years ago
A marathon race participant walks at a rate of 2.5 miles per hour and runs at a rate of 5 miles per hour. The combined distance
valentinak56 [21]

Answer:

2.5x + 5y = 12.5

Step-by-step explanation:

3 0
2 years ago
If the hypotenuse of a right triangle is 20 cm and one of the legs is 16 cm, how long is the other leg?
siniylev [52]
Because this is a triangle and we know that we can use the Pythagorean Theorem to find the hypotenuse we just plug in the numbers. But because you have the hypotenuse already you will subtract the leg from the hypotenuse.

A^2+B^2=C^
16^2+B^2=20^2
256+B^2=400 subtract 256 from both sides
B^2=144 now take the square root of both sides
B=12

The second leg is 12 cm long. Your answer is B, the second answer.
6 0
3 years ago
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