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3 years ago

How many solutions does this system have? x-2y=2 y=-2x+5

1 answer:

6 0

Base from the given system of equation, there would be only one possible solution. This is the point where the lines meet or intersect with each other. Hope this answers the question. Have a nice day. Feel free to ask more question.

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HELPPP

Alexxandr [17]

Hope this helps you

3 0

3 years ago

The water park charges $3.00 per hour for parking and $2.50 for a 2-hour locker rental. Questions 1-8: Complete the tables by fi

valentinak56 [21]

The answer i choose is $5.50 because i added $3.00 and $2.50. so thats how i got my answer

3 0

4 years ago

Solve the problem. The systolic blood pressures of the patients at a hospital are normally distributed with a mean of 136mm Hg a

shtirl [24]

<span> we know that the 90 percentile in Z-score is ≈ 1.28 then,
=136 ± 1.28(13.8)
=(118.336 , 153.664)
</span>hope it helps

6 0

3 years ago

On a 40 question test students gain 6 points for each correct answer and lose 0.5 points on each incorrect answer. If everyone r

juin [17]

Answer:

$\text{r}=5.5\text{c}-20$

Step-by-step explanation:

GIVEN: On a $40$ question test students gain $6$ points for each correct answer and lose $0.5$ points on each incorrect answer. If everyone required to give an answer to each question.

TO FIND: the formulas that describes how a student's raw score, r, depends on the number of correct answers he or she provided, c.

SOLUTION:

Total number of incorrect questions $=40-\text{c}$

Total marks deducted due to incorrect question $=(40-\text{c})\times0.5=20-0.5\text{c}$

Total correct questions $=\text{c}$

Total marks scored $=6\text{c}$

Total raw marks $\text{r}=\text{total marks gained}-\text{total marks deducted}$

$\text{r}=6\text{c}-(20-0.5\text{c})$

$\text{r}=5.5\text{c}-20$

ormulas that describes how a student's raw score, r, depends on the number of correct answers he or she provided, c is $\text{r}=5.5\text{c}-20$

7 0

3 years ago

jesse had a balance of 1200 on a credit card with an APR of 18.7% compounded monthly. About how much will he save in interest ov

igor_vitrenko [27]

Jesse saved about $85.77 in interest over the course of a year if he transfer from one credit card to another.

<h3>What is the interest accrued on savings?</h3>

The interest accrued on saving is the interest gained on saving or investment over a period of time.

The amount of money saved in interest by Jesse over a period of 12 months provided that the transferred his balance to a credit card is calculated as follows:

Amount saved = $\mathbf{P_x(1 + \dfrac{r}{P_x})^{12}-P_y(1 + \dfrac{r}{P_y})^{12}}$

Amount saved = $\mathbf{1200(1 + \dfrac{18.7}{1200})^{12} - 1200(1 + \dfrac{12.5}{1200})^{12}}$

Amount saved = $85.768

Amount saved = $85.77

Learn more about interest accrued on a savings here:

brainly.com/question/1434515

#SPJ1

5 0

2 years ago