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Lyrx [107]
3 years ago
7

Please help! I don't understand this very well

Mathematics
1 answer:
andreev551 [17]3 years ago
3 0
Turn it into one equation then use PEMDAS
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I need help with this number 9 pls ​
Tasya [4]

Answer:

85?

Step-by-step explanation:

8 0
3 years ago
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327.8 in scientific notation
Allushta [10]

Answer:

3.278 * 10 ^ 2

Step-by-step explanation:

To change a number to scientific notation you:

Move the decimal point to the left to make the number have 1 number before the decimal point.

From there you multiply by 10 to the power 2 the number of decimal points you moved.

So the answer is 3.278 * 10^2

HOPE IT HELPED

5 0
3 years ago
Explain a real-world scenario that you could use a system of equations to<br> solve?
katrin2010 [14]

Answer:

Mr Jones travels journey 1 by 3x and 4y which is 24 miles altogether. However Mr Jones would like to compare it with journey 2 by 4x and 3y which is 22 miles. Can You work out x and y miles?

Step-by-step explanation:

Starting point: Form equations

3x+4y=24

4x+3y=22

5 0
3 years ago
A soccer ball is kicked toward the goal. The height of the ball is modeled by the function h(t) = −16t2 + 48t where t equals the
Vitek1552 [10]

Answer:

Last one

t = 1.5; it takes 1.5 seconds to reach the maximum height of 36 meters.

Step-by-step explanation:

h(t) = −16t² + 48t

h(t) = -16(t² - 3t)

h(t) = -16(t² - 2(t)(1.5) + 1.5² - 1.5²)

h(t) = -16(t - 1.5)² + 36

Axis of symmetry:

t = 1.5

Max height = 36

7 0
3 years ago
Simplify 5x+3x+2y+4y halp
konstantin123 [22]

Answer:

8x+6y

Step-by-step explanation:

5x+3x+2y+4y

5x+3x= 8x

2y+4y= 6y

5 0
3 years ago
Read 2 more answers
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