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3 years ago

The tree in milan's backyard is 8.4m high. how high is it in centimeters? be sure to include the correct unit in your answer.

Mathematics

1 answer:

Alex787 [66]3 years ago

5 0

840 centimeters ...there 100 centimeters in one meter

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What is the solution to the equation 13 3/4 + x equals 7 1 / 4

Olegator [25]

Answer:

x=-6.5

Step-by-step explanation:

$7\frac{1}{4} - 13\frac{3}{4}=-6\frac{1}{2}=-6.5$

5 0

3 years ago

Sharon paid $78 sales tax on a new camera. If the sales tax is 6.5%, what was the cost of the camera?

Irina18 [472]

Answer:

$1200

Step-by-step explanation:

$1200

Step-by-step explanation:

78 = 6.5%

This means that if you divide 78 by 6.5, you get the equivalent of 1% of the price:

78 ÷ 6.5 = 12

So 1% = 12

Now simply multiply this by 100 to get the full answer:

12 x 100 = 1200

So the camera cost $1200!

5 0

3 years ago

Read 2 more answers

SOLUTION: a diver jumps from a diving board that is 24 feet above the water. the height of the diver is given by h= -16(t-1.5)(t

lara [203]

Answer:

The diver will hit the water at 1.5 seconds

Step-by-step explanation:

Given

$h= -16(t-1.5)(t+1)$

Required (Missing from the question)

When will the diver hit the water?

To do this, we simply solve for t

When the diver hits the water, the height is 0 (at that point)

So, substitute 0 for h in $h= -16(t-1.5)(t+1)$

$0= -16(t-1.5)(t+1)$

Divide both sides by -16

$\frac{0}{-16} =\frac{-16(t-1.5)(t+1)}{-16}$

$\frac{0}{-16} =(t-1.5)(t+1)$

$0 =(t-1.5)(t+1)$

$(t-1.5)(t+1)=0$

Split

$t - 1.5 = 0$ or $t + 1 = 0$

Solve for t

$t = 1.5$ or $t = -1$

But time (t) can not be negative.

So:

$t = 1.5$

Hence, the diver will hit the water at 1.5 seconds

8 0

3 years ago

Does anyone know what 1-4/8-1/8 is

san4es73 [151]

Answer ⇒ $\frac{3}{8}$

Step-by-step explanation:

$1-\frac{4}{8} -\frac{1}{8}$

⇒ $1-\frac{1}{2} -\frac{1}{8}$

⇒ $\frac{1}{2} -\frac{1}{8}$

⇒ $\frac{4}{8} -\frac{1}{8}$

⇒ $\frac{3}{8}$

5 0

2 years ago

Read 2 more answers

An investigation of the effectiveness of a training program to improve customer relationships included a pre-training and post-t

notsponge [240]

Answer:

2.542

Step-by-step explanation:

Given the data :

Customer Pre-training Survey, x1 __Post-training Survey, x2 __ difference, d = (x2-x1)

A 6 8 2

B 5 5 0

C 10 10 0

D 7 10 3

E 6 8 2

F 5 6 1

G 2 8 6

This is a paired test as each subject has two different data values :

Difference in score, d :

dbar = Σd / n

dbar = (2+0+0+3+2+1+6) /

dbar = 14 / 7

dbar = 2

Standard deviation of d ; Sd = √[Σ(d - dbar)²/n-1]

Using calculator ; Sd = 2.082

Test statistic = dbar ÷ (Sd/√n)

Test statistic = 2 ÷ (2.082 / 7)

Test statistic = 2 ÷ 0.7869220

The statistic = 2.5415

7 0

3 years ago