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3241004551 [841]

2 years ago

8

A camera has listed a price of $687.99 before tax. If the sales tax rate is 9.25% find the total cost of the camera with sales t

ax

1 answer:

sergiy2304 [10]2 years ago

7 0

Answer:

$ 751.63

Step-by-step explanation:

1) To find 9.25% of $687.99, multiply both of them. 687.99 x 0.0925 = 63.64

2) Add the previous number to the original price of the camera, 687.99 + 63.64 = $751.63

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What is the value of x? 0.9(x+1.4)−2.3+0.1x=1.6

mash [69]

Expand

Simplify 0.9x + 1.26 - 2.3 + 0.1 * x to x - 1.04

add 1.04 to both sides

simplify 1.6 + 1.04 to 2.64

Answer: x = 2.64

5 0

2 years ago

Read 2 more answers

Simplify.<br><br> (4w + 3) – 2w + 7<br><br> 2w + 10<br> 2w - 10<br> 6w + 10<br> 6w - 10

7nadin3 [17]

Hey there,

2w+10 would be the best choice here.
Sorry if I'm wrong, good luck!

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3 0

3 years ago

One number is larger than another by 9. If the greater number is increased by 10, and the lesser number is tripled, the sum of t

kkurt [141]

Answer:

The larger number is -6, the smaller number is -15

Step-by-step explanation:

We have two numbers, a and b.

We know that one number is larger than another by 9.

Then we can write:

a = b + 9

then a is larger than b by 9 units.

If the greater number is increased by 10 (a + 10) and the lesser number is tripled (3*b), the sum of the two would be -41:

(a + 10) + 3*b = -41

So we got two equations:

a = b + 9

(a + 10) + 3*b = -41

This is a system of equations.

One way to solve this is first isolate one variable in one of the two equations:

But we can see that the variable "a" is already isolated in the first equation, so we have:

a = b + 9

now we can replace that in the other equation:

(a + 10) + 3*b = -41

(b + 9) + 10 + 3*b = -41

now we can solve this for b.

9 + b + 10 + 3b = -41

(9 + 10) + (3b + b) = -41

19 + 4b = -41

4b = -41 -19 = -60

b = -60/4 = -15

b = -15

then:

a = b + 9

a = -15 + 9 = -6

a = -6

7 0

2 years ago

8 div by 275 place 0 in qoutient

Norma-Jean [14]

275 divided by 8 is <span>34.375</span>

5 0

3 years ago

Today there are a total of six toll-free area codes: 800, 844, 855, 866, 877, and 888. Assume that all seven digits for the rest

Ludmilka [50]

Answer:

$6 \times 10^{7}$

Step-by-step explanation:

Total number of toll-free area codes = 6

A complete number will be of the form:

800-abc-defg

Where abcdefg can be any 7 numbers from 0 to 9. This holds true for all the 6 area codes.

Finding the possible toll free numbers for one area code and multiplying that by 6 will give use the total number of toll free numbers for all 6 area codes.

Considering: 800-abc-defg

The first number "a" can take any digit from 0 to 9. So there are 10 possibilities for this place. Similarly, the second number can take any digit from 0 to 9, so there are 10 possibilities for this place as well and same goes for all the 7 numbers.

Since, there are 10 possibilities for each of the 7 places, according to the fundamental principle of counting, the total possible toll free numbers for one area code would be:

Possible toll free numbers for 1 area code = 10 x 10 x 10 x 10 x 10 x 10 x 10 = $10^{7}$

Since, there are 6 toll-free are codes in total, the total number of toll-free numbers for all 6 area codes = $6 \times 10^{7}$

4 0

3 years ago