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Nastasia [14]
3 years ago
9

HELP PLEASE ASAP

Mathematics
2 answers:
Allisa [31]3 years ago
4 0
The answer to question 1 is b.
The answer to question 2 is b.
The answer to question 3 is c.
The answer to question 4 is c.
The answer to question 5 is b.
The answer to question 6 is a.
The answer to question 7 is b.
The answer to question 8 is a.
The answer to question 9 is c.
The answer to question 10 is a.
charle [14.2K]3 years ago
3 0

To do this, you need to solve either one of the equations for y or x. I'm going to solve for y in the first equation:

6x + 3y = 9

Subtract 6x from both sides:

3y = 9 - 6x

Divide both sides by 3:

y = 3 - 2x

Now that you know what y is equal to, you can substitute it into the second equation:

2x + 3y = 1

2x + 3(3-2x) = 1

Distribute the 3:

2x + 9 - 6x = 1

Combine like terms:

9 - 4x = 1

Subtract 9 from both sides:

-4x = -8

Divide by -4:

x = 2

No substitute this 2 into either one of the equations to get y. I'm going to use the first:

6x + 3y = 9

6(2) + 3y = 9

12 + 3y = 9

Subtract the 12 from both sides:

3y = -3

Divide by 3:

y = -1

ANSWER:

x = 2

y = -1

You can always check by substituting the values into the equations.

Read more on Brainly.com - brainly.com/question/3461332#readmore

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Johnathan ran 5 days this week. The most he ran in one day was 3.5 miles. Write an inequality that shows the distance johnathan
Mekhanik [1.2K]

<em><u>An inequality that shows the distance Johnathan could of ran any day this week is:</u></em>

x\leq 3.5

<em><u>Solution:</u></em>

Let "x" be the distance Johnathan can run any day of this week

Given that,

Johnathan ran 5 days this week. The most he ran in one day was 3.5 miles

Therefore,

Number of days ran = 5

The most he ran in 1 day = 3.5 miles

Thus, the maximum distance he ran in a week is given as:

distance = 5 \times 3.5 = 17.5

The maximum distance he ran in a week is 17.5 miles

If we let x be the distance he can run any day of this week then, we get a inequality as:

x\leq 3.5

If we let y be the total distance he can travel in a week then, we may express it as,

y\leq 17.5

8 0
3 years ago
A fisherman positions his net to -8 relative to the surface of the water. how far does he need to raise the net to bring it to t
8_murik_8 [283]

Answer: If i am correct the answer should be 9-10 because if it is -8 it takes 8 to bring it to 0 and it takes 9 to bring it to 1 and it takes 10 to bring it to 2.

Hope this helps!

6 0
4 years ago
In which situation would the appropriate unit of measure be kilometers?
lisabon 2012 [21]
Since you didn't list choices, I can only give you some guidance on the problem.

A kilometer is the length of 1000 meters. And a meter is about as tall as a normal desk height. So a kilometer is a relatively long distance compared to a desk.

It is also about half the length of a mile, or about 2 times around a normal athletic track.

Look for items that are long distance like that.
3 0
3 years ago
The diameter of a circle is 12 yards. What is the circle's area?<br> Use 3.14 for ​.
slamgirl [31]

Answer:

r= d/2 => 12/2 => 6

a= πR²

a= 3.14×{6}²

a= 113.04 square yard (yd²)

or

a= 94.51 m²

4 0
3 years ago
What would x^4-10x^2+25 be equivalent to
Mademuasel [1]

Answer:

if i can get brainliest that would be great

IF Factor x4−10x2+25

x4−10x2+25

=(x2−5)(x2−5)

Answer:

(x2−5)(x2−5)

IF simplify

x4−10x2+25

There are no like terms.

Answer:

=x4−10x2+25

7 0
3 years ago
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