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3 years ago

Please hrlp....??????

Mathematics

1 answer:

solong [7]3 years ago

5 0

Answer:

147

Step-by-step explanation:

180-33=147

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One day Mr. Pritz drove for 6 1/3 hours. The next day he drove 9 1/2 hours. For how many hours did he drive during the two days?

maks197457 [2]

Answer:

Step-by-step explanation:

First convert them into improper fractions: $6\frac{1}{3} =\frac{19}{3}$ and $9\frac{1}{2} =\frac{19}{2}$ . Now we add: $\frac{19}{2}+\frac{19}{3}=\frac{95}{6}$ or $15\frac{5}{6}$ .

7 0

4 years ago

9. Solve the equation. x + 4 = 3(3x - 4) A 9 4 B 1 C 2 Lounge D 7 4

Alborosie

Answer:

x=2

Step-by-step explanation:

x + 4 = 3(3x - 4)

Distribute

x+4 = 9x -12

Subtract x from each side

x+4 -x = 9x-x-12

4 = 8x-12

Add 12 to each side

4+12 = 8x-12+12

16 = 8x

Divide by 8

16/8 = 8x/8

2 =x

8 0

3 years ago

Read 2 more answers

An airplane pilot is fertilizing a field. The height y in feet of the fertilizer t seconds after it is dropped is modeled by y(t

zheka24 [161]

Answer:

About 360.178 feet

Step-by-step explanation:

So we want the vertical distance between the fertilizer and the ground to be 0.

This going to be about the time the pilot has dropped it

So we first need to find when y is 0.

$0=-16t^2-3t+300$

We are going to use the quadratic formula to solve for t:

$a=-16$

$b=-3$

$c=300$

The quadratic formula is:

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

$t=\frac{3 \pm \sqrt{(-3)^2-4(-16)(300)}}{2(-16)}$

$t=\frac{3 \pm \sqrt{9+19200}}{-32}$

$t=\frac{3 \pm \sqrt{19209}}{-32}$

$t=\frac{3+\sqrt{19209}}{-32} \text{ or } \frac{3-\sqrt{19209}}{-32}$

$t \approx -4.424891774 \text{ or } 4.237391774$

So the pilot has released it at about 4.237391774 seconds since the fertilizer has actually hit the ground at roughly this time.

So we want to know the horizontal distance at t=4.237391774:

$85t$

$85(4.237391774)$

$360.1783008$

360.178 feet

7 0

3 years ago

A bus traveled 336 miles in 7 hours.It traveled the same number of miles each hour.If the bus continues at the same number of mi

Leno4ka [110]

Answer:

kl;jjo;s njj

Step-by-step explanation:

7 0

4 years ago

A farmer has sheep and cattle in the ratio 8:3. How many sheep has the farmer if he has 180 cattle?

ruslelena [56]

There are 480 Sheep.

3 0

3 years ago

Read 2 more answers

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Please hrlp....??????