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2 years ago

3 4/5 + 4 2/3 + 2 13/15

Mathematics

1 answer:

kondor19780726 [428]2 years ago

3 0

Answer:

11\frac{1}{3}

11 1/3

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What is the answer to 14x - 3= 10x + 1

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Answer:

14x - 3 = 10x + 1

4x = 4

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3 years ago

What is the answer to this?

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Answer:

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2 years ago

A researcher investigates whether there is a relationship between hours of sleep and memory for photographs. The researcher assi

ehidna [41]

Answer:

It is the experimental condition.

Step-by-step explanation:

In the experiment given in the question, the amount of sleep is the independent variable and the number of photographs they remember is the dependent variable because it depends on the amount of sleep.

The 8 hours of sleep, which creates the difference in the experiment between the control group and the test group, is the experimental condition.

The experimental condition is the variable that is changed to let the researcher observe the effects on the dependent variable.

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Can someone please help me on solving: x+y=-4

timama [110]

Answer: x=-1 and y= -3

Step-by-step explanation:

Solve for x, x+y=-4

Minus y from both sides so it'll be X=-y-4

Now substitute -y-4 in x-y=2 and solve for y

-y - 4 -y=2

Add like terms, -2y - 4=2

Add 4 to both sides -2y=6

Divide both sides by -2 $\frac{-2y}{-2} = \frac{6}{-2}$

y= -3

Substitute -3 in x=-y - 4

x=-(-3) - 4

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2 years ago

Calculate X3 dx . A.×2 + c B. 3X2 + c c . x4 + c D . x4/4+c

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$\LARGE \int x^3 dx = \frac{x^4}{4}+C$

So the answer is choice D. You can check this by differentiating the right hand side and you'll get x^3 back again.

This answer can be found by using the power rule for integrals. That rule is

$\LARGE \int x^n dx = \frac{x^{n+1}}{n+1} + C$

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3 years ago