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____ [38]
3 years ago
15

NEED HELP FAST 15 POINTS

Mathematics
2 answers:
Flauer [41]3 years ago
6 0

Answer:Can somebody please help

Step-by-step explanation:

garik1379 [7]3 years ago
3 0

Answer:

Given system of inequalities,

-2x + 3y > 3,

4x - 3y < 15,

Graphing -2x + 3y > 3 :

Related equation of line -2x + 3y = 3,

If x = 0,

-2(0) + 3y = 3 ⇒ 3y = 3 ⇒ y = 1,

If y = 0,

-2x + 3(0) = 3 ⇒ -2x = 3 ⇒  x = -1.5,

'>' represents the dotted line,

Join the points (0, 1) and (-1.5, 0) by dotted line.

For (0, 0), -2(0) + 3(0) > 3 ( False )

Shaded region will not contain the origin.

Graphing 4x - 3y < 15 :

Related equation of line 4x - 3y = 15

If x = 0,

4(0) - 3y = 15 ⇒ -3y = 15 ⇒ y = -5,

If y = 0,

4x - 3(0) = 15 ⇒ 4x = 15 ⇒  x = 3.75,

'<' represents the dotted line,

Join the points (0, -5) and (3.75, 0) by dotted line.

For (0, 0), 4(0) - 3(0) < 3 (True )

Shaded region will contain the origin.

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PLEASE HELP ME WITH THIS PROBLEM IVE BEEN ON IT FOR 3 DAYS NOW!
Len [333]
85 x 3 = 255
 first 2 test grades were 81 and 86:
81 + 86 = 167

Need to find the 3rd to have exact average 85:
255 - 167 = 88

So her 3rd test needs to make 88 to make average of 85

Double check: 81 + 86 + 88 =  255 = 85 + 85 + 85
3 0
3 years ago
HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP
Leokris [45]

<u>Picture 1:</u>

To figure this out, notice the pattern happening on x. It's simply counting to four, so the first blank is 1 and the next is 2.

The y coordinates seem to be going up by 9. 27 plus 9 is 36, so the answer to the fourth box is 36.

Another way to see how this is correct is to notice that the x is multiplying by 9 to get y. It works out as you look at it and plug it in!

<u>Picture 2:</u>

Yes, this is a proportional relationship. Since Dennis is adding 3 logs every hour, it is keeping a consistent pattern.

<u>Picture 3:</u>

If Jane is driving 60 miles per hour, the first hour she would've gone 60 miles. After a second hour, she would've gone 120 miles. Multiply 60 to your x coordinates to figure this out. You should get 60, 120, 180, and 240 for each box.

5 0
3 years ago
Factor of 3x-3a+xy-ay
Pachacha [2.7K]

Answer:

(3 - y) & (x - a) are the factors

Step-by-step explanation:

3x-3a+xy-ay

=> 3x - xy - 3a - ay

=> x(3 - y) - a(3 - y)

=> (3 - y)(x - a)

8 0
3 years ago
Read 2 more answers
Use the distributive property to write an equivalent expression.
Tasya [4]

Answer:

32m + 24n

Step-by-step explanation:

Distribute the 8 to the other terms.

8(4m + 3n)

32m + 24n

6 0
2 years ago
How could you solve for x in the problem 3x+7=-x-1
lukranit [14]

Hello there!

3x+7=-x-1\\

Explanation:

↓↓↓↓↓↓↓↓↓↓↓↓

First you had to subtract by 7 from both sides of the equation.

3x+7-7=-x-1-7

Simplify

3x=-x-8

Then you add by x from both sides of the equation.

3x+x=-x-8+x

Simplify

4x=-8

Divide by 4 from both sides of the equation.

\frac{4x}{4}=\frac{-8}{4}

Simplify it should be the correct answer.

x=-2

Answer⇒⇒⇒x=-2

Hope this helps!

Thank you for posting your question at here on Brainly.

Have a great day!

-Charlie

7 0
3 years ago
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