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raketka [301]
3 years ago
7

Sun Li is 888 years old.

Mathematics
1 answer:
Tpy6a [65]3 years ago
5 0

Answer:

555 years older

Step-by-step explanation:

888-333=555 there is a 555year age gap

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The extra data costs are $20.99 monthly but they're offering 20% off that. What will my monthly cost be with the 20% off?
Alex787 [66]

Answer:

Discounted price= $16.792

Step-by-step explanation:

Giving the following information:

The extra data costs are $20.99 monthly, but they're offering 20% off that.

<u>To calculate the discounted price, we need to use the following formula:</u>

Discounted price= normal price*(1 - discount rate)

Discounted price= 20.99*0.8

Discounted price= $16.792

3 0
3 years ago
SOMEONE PLEASE HELP ME
Ksju [112]

Answer:

x=5 y=38

Step-by-step explanation:

180 degrees total minus the right angle (90) = 90... divide that by the two angels and its 45 each so for x; 45/3 = 5 for y; 45-7= 38

5 0
3 years ago
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Can someone please help I promise I will mark brainlest thank youuuu
yaroslaw [1]

The answer is D) y = -1/3x

This is because from point to point, there is a negative decrease of 1 vertical and 3 horizontal.

6 0
4 years ago
A grocery store sells a bag of 6 oranges for $4:38. What is the unit cost?​
lana66690 [7]

Answer:

$0.73 per orange

Step-by-step explanation:

To find unit cost:

Divide 4.38 by the amount of oranges to find for one.

4.38/6 is 0.73.

So the unit cost should be $0.73

Hope this helps you.

7 0
3 years ago
What is the value of b that makes the lines, given by 3x-y=4 and 2y+4bx=1, perpendicular?
USPshnik [31]

b = 1/6

Explanation:

3x-y=4 ...1st equation

Rewriting in slope- intercept form:

y = 3x - 4

2y+4bx=1

Rewriting in slope- intercept form:

2y = -4bx + 1

y = -4bx/2 + 1/2

Equation of line: y = mx + c

where m = slope, c = intercept

For a line to be perpendicular to another, the slope of one will be the negative reciprocal of the slope of another.

Slope of the 1st equation = 3

m = 3

reciprocal of 3 = 1/3

negative reciprocal of 3 = -1/3

Slope of the 2nd equation = -4b/2

we equate both slope:

negative reciprocal of 3 = -4b/2

-1/3 = -4b/2

cross multiply:

-1(2) = 3(-4b)

-2 = -12b

Divide both sides by -12:

-2/-12 = -12b/-12

b = 1/6

Hence, the value of b that makes the lines perpendicular is 1/6

6 0
1 year ago
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