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3 years ago

12

Which of the following best represent the average rate at which infants grow in height during the first four years after birth?

3 inches per month. 3 inches per year. 3 feet per month. 3 per year

1 answer:

sergey [27]3 years ago

7 0

2 44 55 75. 399. Idc. E4 .

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What number is 38% of 88

nignag [31]

Answer:

33.44

Step-by-step explanation:

Use this calculator to find percentages. Just type in any box and the result will be calculated automatically.

Calculator 1: Calculate the percentage of a number.

For example: 38% of 88 = 33.44

Calculator 2: Calculate a percentage based on 2 numbers.

For example: 33.44/88 = 38%

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3 years ago

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What is the correct answer

maksim [4K]

Answer:

i actually dont know about any of this im just trying to make this answer 20 characters long

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a rental car costs $26 per day plus $0.30 per mile. if someone has $350 to spend and needs to drive the car 60 miles each day, f

SVEN [57.7K]

If u have to drive the car 60 miles per day, at 0.30 per mile, then u r spending
(60 x 0.30) = 18 per day on just driving.

plus the 26 per day for the rental

totals : 18 + 26 = 44 per day

44d = 350
d = 350/44
d = 7.95 rounds to 8 days

answer is 8 days

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3 years ago

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What is the solution to -x2 + 5x - 3

CaHeK987 [17]

The solution to the equation is $x=\frac{5-\sqrt{13}}{2}$ and $x=\frac{5+\sqrt{13}}{2}$

Explanation:

Given that the equation is $-x^2+5x-3=0$

We need to determine the solution of the equation.

The solution of the equation can be determined using the quadratic formula.

The quadratic formula is given by

$x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}$

Hence, from the equation, we have,

$a=-1,\:b=5,\:c=-3$

Substituting these values in the quadratic formula, we get,

$x=\frac{-5\pm \sqrt{5^2-4\left(-1\right)\left(-3\right)}}{2\left(-1\right)}$

Simplifying, we get,

$x=\frac{-5\pm \sqrt{25-12}}{-2}$

Simplifying the terms within the root, we get,

$x=\frac{-5\pm \sqrt{13}}{-2}$

Thus, the roots of the equation are $x=\frac{-5+ \sqrt{13}}{-2}$ and $x=\frac{-5- \sqrt{13}}{-2}$

Taking out the negative sign, we get,

$x=\frac{-(5- \sqrt{13})}{-2}$ and $x=\frac{-(5+ \sqrt{13})}{-2}$

Cancelling the negative sign, we get,

$x=\frac{5-\sqrt{13}}{2}$ and $x=\frac{5+\sqrt{13}}{2}$

Thus, the solutions of the equation are $x=\frac{5-\sqrt{13}}{2}$ and $x=\frac{5+\sqrt{13}}{2}$

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3 years ago

Harvey the wonder hamster can run 3 1/6km in 1/4 hour. Harvey runs at a constant rate

faltersainse [42]

Answer:

his average speed is 12 2/3 kilometers per hour.

Step-by-step explanation:

6 0

3 years ago