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2 years ago

. Rebecca David earns $427.50 per week as manager at Marlin

Mathematics

1 answer:

lilavasa [31]2 years ago

4 0

Answer: 124

Step-by-step explanation:

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An Object Speeds Up From 15 m/s to 55 m/s in only 8 s when a force of 100N Is Applied on it. What Is The Mass of the Object?

Kipish [7]

Answer:

500g

Step-by-step explanation:

Because the domula of acceleration is v-u/t so initial velocity is 15 and final velocity is 55 and mass is force * acceleration

6 0

3 years ago

How am I suppose to do this?

Doss [256]

Answer:

You would do l*w which would be 144. Then, since there are 7 identical tiles, you would multply that by 7. The answer is 1008. :D

Step-by-step explanation:

7 0

3 years ago

Of the three digit integers greater than 700, how many have two digits that are equal to each other and the remaining digit diff

vodomira [7]

Answer:

80.

Step-by-step explanation:

Three digit number can only have three patterns

A. All digits are distinct

B. Two digits are same and third is different

C. All three digits are alike.

We need to calculate B

that is B= Total- A-C

Total numbers from 700 to 999= 299.

Number numbers having all digits distinct = 3×9×8= 216 ( first digit can have only three digits 7,8,9)

All three are alike = 3 ( 777,888,999).

So, 299 -216-3= 80.

3 0

3 years ago

Please explain why. Thanks

xxTIMURxx [149]

<h3><u>Question</u> :-</h3>

Is (x-2) is a factor of x³-3x²-x +7 –

Yes
No ☑

<h3><u>Explanation</u> :-</h3>

We are given –

Polynomial function, P(x) = x³-3x²-x +7

In order to check if x - 2 is a factor of x³-3x²-x +7 or not, we must show that P(2) = 0.

Let's find value of x!

$\qquad$ $\twoheadrightarrow\bf P(x) = x³-3x²-x +7$

$\qquad$ $\twoheadrightarrow\bf Q(x) =x - 2$

$\qquad$ $\twoheadrightarrow\bf If \:Q(x) = 0$

$\qquad$ $\twoheadrightarrow\bf x - 2 = 0$

$\qquad$ $\twoheadrightarrow\bf x = 2$

Now Put x = 2 into the polynomial –

$\qquad$ $\purple{\twoheadrightarrow\bf P(2) = 2³-3(2)²-2+7}$

$\qquad$ $\twoheadrightarrow\sf P(2) = 8 - 3 \times 4 +5$

$\qquad$ $\twoheadrightarrow\sf P(2) = 8 -12 +5$

$\qquad$ $\twoheadrightarrow\sf P(2) = 13-12$

$\qquad$ $\purple{\twoheadrightarrow\bf P(2) =1 }$

Since the value of the polynomial function st x = 2 is not Zero (0). Henceforth, ( x - 2) is a factor of x³-3x²-x +7.

________________________________________

5 0

2 years ago

A shipping container is known to hold exactly 1000 ft3. If the container is measured, which side dimensions would produce the mo

omeli [17]

Answer:

10 ft by 10 ft by 10 ft works, but there are other solutions.

Step-by-step explanation:

There are many solutions.

One solution is 10 ft by 10 ft by 10 ft.

The volume then is:

10 ft * 10 ft * 10 ft = 1000 ft^3

5 0

2 years ago

Read 2 more answers