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Verdich [7]
3 years ago
14

I really need some help please

Mathematics
1 answer:
hichkok12 [17]3 years ago
8 0

Answer:

(1, - 1 ) and (5, - 3 )

Step-by-step explanation:

To determine which points are solutions of the inequality.

Substitute the x/y values into the left side of the inequality and compare with the right side.

(- 6, - 3)

- 3 + 12 = 9 > - 3 ← not a solution

(1, - 1 )

- 1 - 2 = - 3 ≤ -3 ← this is a solution

(5, - 3 )

- 3 - 10 = - 13 < - 3 ← this is a solution

(0, - 2 )

- 2 - 0 = - 2 > - 3 ← not a solution

(7, 12 )

12 - 14 = - 2 > - 3 ← not a solution

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Find the volume of the solid.
damaskus [11]

Answer:

352cm^3

Step-by-step explanation:

V= whl =

8*5*4 = 160

8*4*6 = 192

192 + 160 = 352

3 0
3 years ago
Kelly wants to buy a dress that costs $40.00. She has a coupon for 25% off, and
Sophie [7]

A percentage is a way to describe a part of a whole. The amount that Kelly will pay for the dress is $33.

<h3>What are Percentages?</h3>

A percentage is a way to describe a part of a whole. such as the fraction ¼ can be described as 0.25 which is equal to 25%.

To convert a fraction to a percentage, convert the fraction to decimal form and then multiply by 100 with the '%' symbol.

Given Kelly wants to buy a dress that costs $40.00. She has a coupon for 25% off, and there is a 10% sales tax. Therefore, the amount she will pay is,

25% of $40.00 is,

0.25 × $40 = $10

After using the coupon, the sale price is,

$40 - $10 = $30

The 10% tax on the sale price is,

0.10 × $30 = $3

The final price is $

$30 + $3 = $33

Hence, the amount that Kelly will pay for the dress is $33.

Learn more about Percentages:

brainly.com/question/6972121

#SPJ1

3 0
2 years ago
What is the x-and y-intercept of the graph 4x -5y =40??
umka21 [38]

Answer:

x-intercept = 10

y-intercept = -8

Step-by-step explanation:

4x-5y=40

To identify the y-intercept, we will need to format the equation in the form y=mx+b. We can start by subtracting 4x from both sides of the equation:

-5y=-4x+40

Divide both sides of the equation by the coefficient of y, which is -5:

y=\frac{-4}{-5} x - 8

The b is representative of the y-intercept in y=mx+b.

Identify b in the equation y=\frac{-4}{-5} x - 8:

b=-8

Therefore, our y-intercept is -8.

To solve for the x-intercept, replace the y in the equation y=\frac{-4}{-5} x - 8 with a zero:

0=\frac{-4}{-5} x - 8

Add 8 to both sides of the equation:

8=\frac{-4}{-5} x

You can go ahead and divide -4 by -5 to get rid of the fraction:

8=0.8x

Divide both sides of the equation by the coefficient of x, which is 0.8:

10=x

Therefore, our x-intercept is 10.

8 0
3 years ago
Please help me . please and thank you !!. ​
Vesna [10]

18) Value of b is : b\geq  8

Option A is correct.

19) Option C is correct.

Step-by-step explanation:

18) We need to find the value of b.

The given equation is:

12b-46\geq 50

Solving to find the value of b:

12b-46\geq 50\\12b\geq 50+46\\12b\geq 96\\b\geq \frac{96}{12}\\b\geq  8

So value of b is : b\geq  8

Option A is correct.

19) We need to find the correct graph of the equation:

4y-2

Solving:

4y-2

The values of y will be less than three. As y < 3 so, the circle on y is not filled.

So. Option C is correct.

Keywords: Solving Inequalities

Learn more about Solving Inequalities at:

  • brainly.com/question/1465430
  • brainly.com/question/1626676
  • brainly.com/question/2840217

#learnwithBrainly

7 0
3 years ago
I need help no ilnks please and thank you
Elza [17]

Answer:

yep

Step-by-step explanation:

nice

8 0
3 years ago
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