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GarryVolchara [31]
2 years ago
9

Joe studied math for x minutes, and then studied Spanish for 20 minutes more than he studied math. He did this for 3 days in a r

ow. How long did Joe study for all three days?
Mathematics
1 answer:
never [62]2 years ago
3 0

Answer:

x+20 * 3

Step-by-step explanation:

* represents a multiplication symbol

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Part Two: Find they<br> 5. y= 4x + 3
skelet666 [1.2K]

Answer:

divide 4. from 4 n 3. 3 divided by 4 answer us the answer fir x and then you times that answer to 4 and that is the answer for y

7 0
3 years ago
Rewrite the following sentence as an equation.
SVEN [57.7K]

Answer:

3(2+x)=0

Step-by-step explanation:

<u>Here are some vocab words:</u>

Product: Multiplication

Sum: Addition

"A number": x

3(2+x)=0

6 0
3 years ago
3х + 4 = 9x - 8<br> What is the value of X to make the equation true?
givi [52]

Answer:

x=2

Step-by-step explanation:

5 0
3 years ago
How do i solve f(x)=|x-2|+3
Olenka [21]

Answer:

f(x)=|x-2|+3

0=|x-2|+3

0-3=|x-2|+3-3

-3+2=x-2+2

-1=x

Step-by-step explanation:

  1. set the function equal to zero
  2. you can subtract 3 from both sides or you can add -2 and 3 and then you subtract your answer from both sides to solve for x
7 0
3 years ago
Water flows on the Amazon river near the cachoeira de Santuario waterfalls at a velocity 75 meters per second. If a low height r
zysi [14]

Answer:

7.5 MW

Step-by-step explanation:

The power generated from a falling water is a function of its height and volume. The power generated an be calculated using the formula:

Power (P) = Density(ρ) * volume flow rate(Q) * acceleration due to gravity(g) * height(h)

P = ρQgh

But Qh = Velocity(v) * volume(V).

Hence power = ρvgV

Given that ρ of water = 1000 kg/m³, v = 75 m/s, V = 10 m³, g = 10 m/s². Substituting:

P = ρvgV = 1000 * 75 * 10 * 10 = 7500000 W

P = 7.5 MW

4 0
2 years ago
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