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Scorpion4ik [409]
2 years ago
9

Which ordered pair is a solution of the equation

Mathematics
2 answers:
igomit [66]2 years ago
5 0

Answer:

A

Step-by-step explanation:

Step 1:

Make your equation into y=mx+b format

2x+3y=10 is the same as y=-2/3x+10/3 (10/3 is about 3.33)

Step 2:

Graph your equation

Step 3:

Plot your points and you will see that the only one that works is (2,2)

Hope that helps

Sever21 [200]2 years ago
3 0

Answer:

a

Step-by-step explanation:

2x+3y where it is 2,2 become 4 plus 6 which is 10

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Margaret uses a credit card with a 21.7% APR compounded monthly to pay for her car repairs totaling $692.77. She can pay $290 pe
igomit [66]

Answer:

B. $715.21

Step-by-step explanation:

Apparently, Margaret makes her first payment after she has incurred a finance charge on the amount.

At the end of the first month, the balance due is ...

... 692.77×(1 + 0.217/12) = 705.30

At the end of the second month, the balance due is ...

... (705.30 -290)×(1 +0.217/12) = 422.81

At the end of the third month, the balance due is ...

... (422.81 -290)×(1 +0.217/12) = 132.81

Margaret makes total payments of $290×2 +132.81 = $712.81

Of the choices listed, the best selection is ...

... B. $715.21

_____

<em>Comment on the answer choice</em>

The total $715.21 seems to also include a finance charge on the final payment amount. (It actually includes a charge on $132.72, which is slightly different from the final payment amount.) There will not be any such charge, so the <em>available answer choices are all in error</em>.

Actually, we expect the total cost to be closer to $702.25, because we expect that Margaret will make her first payment before any finance charges are incurred.

_____

You should ask your teacher to show you in detail how to work this problem.

3 0
2 years ago
Read 2 more answers
David can jog 4 miles in. 75 minutes.what is David’s jogging rate per hour?
weeeeeb [17]

Answer: 3.2 miles

Step-by-step explanation: Trust me bro. 1000% right

6 0
3 years ago
Can anyone help with this pls
puteri [66]

Answer:

9

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
In a class of 47 students, the number of males is 7 less than twice the number of females. How many females and how many males a
Rom4ik [11]
X=number of females
47-x=number of males
# of males is 2*(number of females)-7:
47-x= 2x-7
add x to both sides:
47=3x-7
add 7 to both sides:
54=3x
divide both sides by 3:
x= 18 females
47-18= 29 males
6 0
2 years ago
The following shows the monthly sales in units of six salespersons before and after a bonus plan was introduced. At 95% confiden
saw5 [17]

Answer:

it is clear that at 95% confidence that the bonus plan has increased the sales significantly, because if we observe you will notice that sales after is greater than sales before in all six cases.

Step-by-step explanation:

A 95% confidence interval as we have above is the range of values that we can say with utmost certainty and confidence that 95% chance it contains the true mean of the population. in other words we can say that a  95% confidence interval defines a range of values that you can be 95% certain contains the population mean.

4 0
2 years ago
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