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3 years ago

I/3-2i + 2i/3+8i how do i do this

Mathematics

1 answer:

AVprozaik [17]3 years ago

6 0

62/949+ 297i/949 is the answer to this problem

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George ran 1000 yards in gym class. how many kilometers did he run?

Sliva [168]

He ran 7 kilometers.

5 0

4 years ago

Sloane kicked a soccer ball at a speed of 48 feet per second. If the ball never leaves the ground, then it can be represented by

Ierofanga [76]

Answer:

For t = 0.33 s, H = 14.0976 feet;

For t = 3 s, H = 0 feet;

For t = 16 s, H = -3328 feet;

For t = 48 s, H = -34560 feet.

Step-by-step explanation:

Assuming there's a typo on the problem and it wishes to determine the distance traveled by the ball in the given times instead of the time, we can solve it as shown below:

For t = 0.33 s:

$H(t) = -16*t^2 + 48*t\\H(0.33) = -16*(0.33)^2 + 48*0.33\\H(0.33) = -1.7424 + 15.84\\H(0.33) = 14.0976 \text{ feet}$

For t = 3 s:

$H(t) = -16*t^2 + 48*t\\H(3) = -16*(3)^2 + 48*3\\H(3) = -144 + 144\\H(3) = 0 \text{ feet}$

For t = 16 s:

$H(t) = -16*t^2 + 48*t\\H(16) = -16*(16)^2 + 48*16\\H(16) = -4096 + 768\\H(16) = -3328 \text{ feet}$

For t = 48 s:

$H(t) = -16*t^2 + 48*t\\H(48) = -16*(48)^2 + 48*48\\H(48) = -36864 + 2304\\H(16) = -34560 \text{ feet}$

7 0

4 years ago

Read 2 more answers

Congruent figures Practice -2 measurement of angle F

ExtremeBDS [4]

Answer:

m∠F = 45°

because

Corresponding

Parts of

Congruent

Triangles are

Congruent

5 0

3 years ago

You have vials containing 250 milligrams of aminophylline in 10 milliliters. How many milliliters are required to administer 300

Dima020 [189]

Answer:

Answer: 12 milliliters

Step-by-step explanation:

Proportions

Each vial contains 250 milligrams of aminophylline in 10 milliliters. This means the concentration of aminophylline in the vials is 250/10 = 25 milligrams/milliliter.

To administer 300 milligrams of aminophylline, we need to find the number of milliliters according to the concentration calculated above.

If each milliliter adds up to 25 milligrams, then to have 300 milligrams, 300/25 = 12 milliliters of aminophylline vials are needed.

Answer: 12 milliliters

4 0

3 years ago

Find the value of X round your number to the nearest tenths Explain it please

Anarel [89]

In this case, we must use trigonometry to find the value of x:

$tan(\alpha )=\frac{side-opposite-angle}{side-beside-angle} \\tan(70) = \frac{x}{3} \\3*tan(70) = x\\x = 3*tan(70)\\x = 8.24$

Thus the value of x rounded to the nearest tenth is 8.2

Hope that helps!

8 0

3 years ago