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Natalija [7]
3 years ago
13

NEED HELP PLEASE IM BEGGING YOU PLEASE!!!!! NEED HELP WITH BOTH PLEASE

Mathematics
1 answer:
UkoKoshka [18]3 years ago
8 0

Answer:

14) F

15) D

Step-by-step explanation:

14

You have 80 minutes on a CD, minus the time you burned would equal the time you have left on the CD.

15

To find mark down, you multiply the percentage to the original price, and then subtract the answer to the original price.

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What is the solution to y=3x-1 ?
Iteru [2.4K]

I'm ASSUMING that we're talking about Three Ordered Ordered Pair Solutions.

If so, the answer is (0,−1),(1,2),(2,5).


8 0
3 years ago
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A function, f(x)=4x+5, has a domain 0<=x<=50. What is the range? How do you do this??
babunello [35]

Step-by-step explanation:

remember the domain is the interval or set of valid input (x) values. the range is the interval or set of the valid result (y) values.

so, the given domain tells us the interval to look at.

what are the functional values of the function between 0 and 50 ?

since the function is continuous (there are no gaps) in this interval, we can safely assume that all values between f(0) and f(50) are valid y values.

f(0) = 4×0 + 5 = 5

f(50) = 4×50 + 5 = 205

so, the range is 5 <= y <= 205

3 0
3 years ago
The sum of a number and 3:
fenix001 [56]

Answer:

x+3?

Step-by-step explanation:

honestly, there is not alot of information present here. so when a hear "a number" i think variable.... which would be set up as x+3

6 0
3 years ago
Please need help on this
Trava [24]

Answer:

The perimeter of a shape is the sum of the measurements of all sides. Since a rectangle have equal lengths and widths, you can just add the numbers twice.

So, 15 + 15 + 8 + 8. So the perimeter is 46 cm.

7 0
3 years ago
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Help me solve these step by step please !!!
Anettt [7]

Answer:

#2) is 25

Step-by-step explanation:

the best way to solve any of theses is in the order of pemdas:

●parentheses

●exponents

●multiplication & division

●addition & subtraction

for example lets do #2

9+ (2^2)(4)

the first parenthesis has exponents so you'd do it first. 2^2 (two two times) is 4

9+(4)(4)

when two parentheses are next to Each other you multiply. 4x4 is 16

9+16

then finally you add

25

use these steps for the rest. just comment if you have any questions

7 0
3 years ago
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