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Anuta_ua [19.1K]
3 years ago
5

PLS HELP THE QUESTIONS ARE ON THE PICTURES

Mathematics
1 answer:
Gnom [1K]3 years ago
3 0
I did know is understandability of Korean math?
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Solve the system using substitution. Write the solution as an ordered pair. (1 point) SHOW YOUR WORK FOR FULL CREDIT! (2 points)
beks73 [17]

x = -2

y = 7

Solution: (-2,7)

//Hope this helps.

3 0
3 years ago
Read 2 more answers
Over the last three evenings, Diane received a total of 105 phone calls at the call center. The third evening, she received 4 ti
sergij07 [2.7K]

Answer:

Make an eqaution from here.
Let’s make evening 2 “x”

So the first evening has 9 less then the secon evening so…
x-9
Of course theres the second evening (x).

X-9+x
Then the third evening has 4 times as much as the second meeting so…
x-9+x+4x

And when solved, it has to equal 105.

So solve from here.
Combine like terms.

6x-9=105
Isolate

6x=114
x= 19

First evening is 9 less then 19, so 10.

The second evening was 19 calls.
The third evening was 4 times the second evening so, 19*4= 76

1st night = 10

2nd night= 19 calls
Thrid night= 76 calls

8 0
2 years ago
How much interest is earned on a principal of $316 invested at an interest rate of 9%
anzhelika [568]

Answer:

$130.06

Step-by-step explanation:

Interest is calculated as shown;

I = A - P

A is the amount

P is the principal

Given

Principal = $316

Rate R = 9% = 0.09

Time t = 4yrs

Substiutte and get Amount A

A  =P(1+r)^n

A = 316 (1+0.09)^4

A = 316(1.09)^4

A = 316(1.4116)

A = 446.06

Interest = 446.06 - 316

Interest = 130.06

Hence the interest is $130.06

4 0
3 years ago
We are setting up virtual shopping tasks on an online survey. In each shopping task, we can only show up to 20 products on the s
aleksley [76]

Answer:

Step-by-step explanation:80divide by 20=4

4multiply by 3=12

Answere=12

7 0
3 years ago
I do not understand five through eight please help????????????
bogdanovich [222]
For number 5 the answer is 5/2
number 6 is 23/5
number 7 is 31/9
number 8 is 19

All you do is multiply the denominator by the whole number then the product of that you add that to the numerator and then the sum of that you just put that as your numerator and you keep the same denominator.
6 0
3 years ago
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