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Zigmanuir [339]
3 years ago
15

Show how you can use the Distributive Property to solve 7(499) with mental math.

Mathematics
1 answer:
Flauer [41]3 years ago
6 0
Hi,

One option is to solve it like this:
7(499)= 7(400) + 7(90) + 7(9) = 2800 + 630 + 63 = 3493

Or,
7(499)= 7(500) - 7(1) = 3500 - 7 = 3493

Hope this helps! If my answer was not clear enough or you’d like further explanation please let me know. Also, English is not my first language, so I’m sorry for any mistakes.
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The graph shows the number of pages to read after x days. Answer the 4 points
yanalaym [24]

Answer:

Step-by-step explanation:

•y-intercept is the 200 pages she has to read to begin with

•x-intercept on day 16 means she has finished reading all the pages, there are

zero pages left

•there are 100 pages left after 8 days

• the line is straight (no change in slope) so the reading rate was consistent over the 16 days.

7 0
3 years ago
What is the value of the expression 2 + 32 ⋅ (4 − 1)? <br> A: 24<br> B: 29 <br> C: 33 <br> D: 37
Paul [167]

For this case we have the following expression:

2 + 3 ^ 2 * (4 - 1)

Rewriting the expression we have:

1) First we subtract the numbers within the parenthesis:

2 + 3 ^ 2 * (3)

2) Then, we solve the exponents:

2 + 9 * (3)

3) Then, multiplication:

2 + 27

4) Finally, the addition of numbers is made:

29

Answer:

the value of the expression is:

B: 29

3 0
4 years ago
Read 2 more answers
What is the domain of the function y=2√x-6?<br> 88AX&lt;∞<br> O 0≤x&lt;∞<br> 3≤x&lt;∞<br> 6≤x&lt;∞
Travka [436]

Answer:

If the x-6 is all under the sqrt, the last answer is right:

6<= x <= infinity

If only x is under the sqrt and - 6 is NOT under the sqrt, then:

0 <= x <= infinity is the correct answer.

Step-by-step explanation:

You can look at the equation and or graph to determine the domain of a function. The domain is all the x's that may go into the equation or all the x's on the graph of the function. Inside of a squareroot symbol the number inside there must be positive. While considering the equation, only x's that keep that inside positive can be used.

For sqrt(x-6), x has to be 6 or bigger.

For sqrt(x) - 6, x has to be 0 or bigger.

6 0
2 years ago
Mario has a number cube with sides numbered 1 through 6. He rolls the number cube twice. He rolls an odd number on the first rol
andrezito [222]
The probability he will roll an even number is 3/6 chance  he could roll a 2,4,6

hope this helps
3 0
3 years ago
Read 2 more answers
what is the volume of the hamsta snack box with a width of 1 1/2 inches, a length of2 1/2 inches, and a height of 4 inches
jenyasd209 [6]

<u>Given:</u>

The width of the snack box is 1 \frac{1}{2} \ inches=\frac{3}{2} \ inches

The length of the snack box is 2 \frac{1}{2} \ inches=\frac{5}{2} \ inches

The height of the snack box is 4 inches.

We need to determine the volume of the hamsta snack box.

<u>Volume of the box:</u>

The volume of the box can be determined using the formula,

V=L \times W \times H

where L is the length, W is the width and H is the height of the box.

Substituting the values, we get;

V=4 \times \frac{3}{2} \times \frac{5}{2}

Simplifying, we get,

V=\frac{60}{4}

V=15 \ in^3

Thus, the volume of the Hamsta snack box is 15 cubic inches.

3 0
3 years ago
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