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ANEK [815]
3 years ago
6

Hii please help i’ll give brainliest!!

Mathematics
2 answers:
Greeley [361]3 years ago
7 0

Answer:

your answer should be C.

castortr0y [4]3 years ago
3 0
I am going to guess C but I’m not entirely sure
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The original price of a shirt is increased by $15. Patrick buys two of the shirts. The total price before sales tax is added is
kotegsom [21]
1. 86/2=43/new price of one shirt
2. 43-15=28/original price of one shirt

Your answer would be $28.
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3 years ago
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Use the graph below to estimate the solution to the system of equations shown.
Mila [183]

Answer: The second choice is answer.

Step-by-step explanation:

<h3>The first line (Blue One)</h3>

y=-x-3 (Slope is -1 and intercepts y at -3)

<h3>The second one (Red One)</h3>

y=2x-8 (Slope is 2, to find y-intercept. Substitute x = 0 then we get -8) (For x-intercept, it's 4. Just substitute y=0 to get x-intercept.)

Because there are choices, it's easy to notice.

The first one, x = -4 and almost -5 which is not right. (x is around 1 almost 2.)

The second one, x = 1 and almost 2 is right.

The third one, x = -1 and almost -2 is not right (The intersection isn't even at -1 or any negative number for x-axis.)

The fourth one, just like the first one... x = 4 almost 5

<h3>Or solve the equations.</h3>

y=-x-3\\y=2x-8

Substitute y=2x-8 in y=-x-3

2x-8=-x-3\\2x-8+x+3=0\\3x-5=0\\3x=5\\x=\frac{5}{3}\\(x=1\frac{2}{3})

Look at the value of x then find the answer that matches the value of x.

Now for y, substitute x = 5/3 in y = -x-3 (or in 2x-8 if you want.)

y=-\frac{5}{3} -3\\y=-\frac{5}{3} -\frac{9}{3} \\y=-\frac{14}{3} \\(y=-4\frac{2}{3} )

So the answer is the second choice.

6 0
3 years ago
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Alexus [3.1K]

Answer:

x+3y+z=21

Step-by-step explanation:

x+3y+z

4+3(5)+2

4+15+2

21

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*Urgent*
Anton [14]

Answer:

The anwser is D.

Step-by-step explanation:

The equation must be greater or equal to eleven but less then or equal to 15.

3 0
3 years ago
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How many milimetres are there in one cubic decimetre​
mario62 [17]

Step-by-step explanation:

1 cubic decimetre = 1000000 milimetres

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