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3 years ago

2/3 of 39 3/4 of 24cm

Mathematics

1 answer:

wolverine [178]3 years ago

5 0

Answer:

The answers would be

78/3

Step-by-step explanation:

To find them, simply treat the word "of" as if it means multiply.

2/3 * 39 = 78/3

3/4 * 24 = 18

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The ramp in the picture makes an angle of 73° with the doorpost. What is the measure of the angle ∠QPR, between the ramp and the

siniylev [52]

Answer:

A. ∠ QPR = 17°

Step-by-step explanation:

From the given information, let QP be the length of the ramp.

Then, ∠ QPR is the angle between the ramp and the ground.

∠ PQR is the angle between the ramp and the doorpost and

∠ QRP is the angle between the doorpost and the ground.

Clearly, ∠ PQR = 73° (given)

∠ QRP = 90° (since doorpost and the ground are perpendicular to each other)

Now, use triangle sum propoerty of ΔQPR, we get,

∠ QPR + ∠ PQR + ∠ QRP = 180°

∠ QPR + 73 + 90 = 180°

∠ QPR + 163 = 180°

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3 years ago

How many times 93 going to 325

fgiga [73]

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2 years ago

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A talent competition on television had five elimination rounds. After each elimination, only one-third of the contestants were s

denis-greek [22]

Answer:

Average rate of change is -78.

Step-by-step explanation:

A talent competition on television had five elimination rounds. After each elimination, only one-third of the contestants were sent to the next round.

The table that shows the number of contestants in each round of the competition is,

x f(x)

1 243

2 81

3 27

4 9

5 3

Average rate of change is the change in the y-value divided by the change in the x-value for two points on the graph.

i.e $\dfrac{f(x_2)-f(x_1)}{x_2-x_1}$

So, the average rate of change of $f(x)$ from $x = 1$ to $x = 4$ is,

$=\dfrac{f(4)-f(1)}{4-1}$

$=\dfrac{9-243}{4-1}$

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Since f(x) is decreasing, so rate of change is negative.

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3 years ago

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kiruha [24]

Answer:

Therefore the value of the car after 10 year will be = $4,845.34

Step-by-step explanation:

A new car is purchased for $17900. the value of the car depreciates at 12.25% per year.

Since the value of the car depreciates therefore the amount of the car is

$A= P(1-\frac{r}{100})^n}$

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Therefore the value of the car after 10 year will be = $4,845.34

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3 years ago

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Paul [167]

Answer:

Step-by-step explanation:

symbols, sounds or pictures

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