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Nikolay [14]
3 years ago
10

James practice piano for 48 minutes. Alisa practice for 5 times as long as james how many minutes did Alisa practice? How many m

inutes in all did james and Alisa practice? Write an equation to model your work.
Mathematics
1 answer:
dlinn [17]3 years ago
5 0

Answer:

Step-by-step explanation:

1. 48 x 5= 240

2. James minutes- 48      Alisa's- 240

3. 48 + 240 = 288

Equation: 48 + 5 (48)= 288

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Jc bent 26.32 on 8 gallons of gas how much wood he spend for 20
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3 years ago
A line passes through the point (2, 10) and has a y-intercept of 4. What is the equation of the line? Help me please
joja [24]

Step-by-step explanation:

If it's a straight line the use formula

y = mx + c

m= gradient of line

c = y-intercept

we know that y-intercept is 4 so coordinate is

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Equation also passes (2,10)

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6 0
2 years ago
Please help with this acellus question!
Anna11 [10]

Answer:

The value of x is 5

Step-by-step explanation:

In the given triangle

∵ A segment joining two points lie on the two side

∵ This segment is parallel to the third side

∴ This segment divides the two sides into parts that have the same ratio

→ That means x over 2x - 3 equal to 10 over 14

∵ \frac{x}{2x-3} = \frac{10}{14}

→ By using cross multiplication

∴ 10 × (2x - 3) = x × 14

∴ 10(2x) - 10(3) = 14x

∴ 20x - 30 = 14x

→ Add 30 to both sides

∵ 20x - 30 + 30 = 14x + 30

∴ 20x = 14x + 30

→ Subtract 14x from both sides

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3 years ago
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Rom4ik [11]

Answer: The velocity of the ball is 108.8 ft/s downwards.

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g = 32 ft/s^2

To get the velocity equation we need to integrate over time, to get:

v(t) = (32ft/s^2)*t + v0

where v0 is the initial velocity of the ball. (t = 0s is when the ball is dropped)

Because it is dropped, the initial velocity is equal to zero, then we get:

v(t) = (32ft/s^2)*t

Which is the same equation that we can see in the hint.

Now we want to find the velocity 3.4 seconds after the ball is dropped, then we just replace t by 3.4s, then we get:

v(3.4s) = (32ft/s^2)*3.4s = 108.8 ft/s

The velocity of the ball is 108.8 ft/s downwards.

6 0
3 years ago
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