3 years ago

Consider 7 x 10 to the 3rd power write a pattern to find the value of the expression

Mathematics

1 answer:

Paraphin [41]3 years ago

4 0

Answer:

7 x 10^3

Step-by-step explanation:

7 x 10 x 10 x 10

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Plz help 10 points ;-;

Oksana_A [137]

Answer:

See explanation.

Step-by-step explanation:

Coordinates of point P is (2.5, 0).

Coordinates of point T are (-1.5, -1).

Coordinates of point R are (0.5, -2.5).

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3 years ago

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Leto [7]

Your answer is C. Think of the x axis as the ground.

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If m\angle A=(6x+10)^{\circ}∠A=(6x+10) ∘ and m\angle B=(4x+30)^{\circ}∠B=(4x+30) ∘ , then find the measure of \angle B∠B.

netineya [11]

A=6 × + 10=88555%__/455

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2 years ago

In order to estimate the average electric usage per month, a sample of 81 houses was selected and the electric usage was determi

lana [24]

Answer:

Confidence interval: (1760,1956)

Step-by-step explanation:

We are given the following information in the question:

Sample size, n = 81

Sample mean =

$\bar{x} = 1858 \text{ kWh}$

Population standard deviation =

$\sigma = 450 \text{ kilowatt-hours}$

Confidence Level = 95%

Significance level = 5% = 0.05

Confidence interval:

$\bar{x} \pm z_{critical}\displaystyle\frac{\sigma}{\sqrt{n}}$

Putting the values, we get,

$z_{critical}\text{ at}~\alpha_{0.05} = \pm 1.96$

$1858 \pm 1.96(\displaystyle\frac{450}{\sqrt{81}} ) = 1858 \pm 98 = (1760,1956)$

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3 years ago

Evaluate the following expression:

grigory [225]

Answer:

5.25

Step-by-step explanation:

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