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3 years ago

A pair of shoes is on sale for 15% off. With this discount, customers will save

1 answer:

8 0

$9 is the part, 15% is the percent, and $60 is the whole

$9 is %15 of the whole. This means $9 is the part, 15% is the percent, and the whole is the total cost of the shoes after the discount. The total cost of the shoes after the discount is 60.

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F(x) = -2(x + 2)2 + 4

USPshnik [31]

Answer:

4x4=? then we have 2x2=?

Step-by-step explanation: H-JJ-

7 0

3 years ago

Please Help!! Write an equation of the line that passes through each pair of points.

Alex

Answer: y=-2x + 3

Step-by-step explanation:

(0,3) and (2,-1)

3-(-1)= 4

0-2= -2

4/-2= -2 so the slope is -2 and we already know the y intercept is 3 because that is when x is 0.

so the equation will y= -2x + 3

6 0

3 years ago

Can somebody help me with this?

Natasha_Volkova [10]

Step-by-step explanation:

Hey there!

By looking through figure, l and m are parallel lines and a transversal line passes through the lines.

Now,

7x + 12° = 12x - 28°( alternate angles are equal)

12°+28° = 12x - 7x

40° = 5x

$x = \frac{40}{5}$

Therefore, x = 8°

Now,

12x - 28° + 9y - 77 = 180° ( being linear pair)

12×8° - 28° + 9y -77° = 180°

96° - 28° + 9y - 77° = 180°

-9 + 9y = 180°

9y = 180° + 9°

y = 189°/9

Therefore, y = 21°

Therefore, X = 8° and y= 21° .

Hope it helps....

4 0

3 years ago

A store sells a certain digital camera model for $108. During a special promotion, the camera is discounted by 30%. What is the

Pavel [41]

Answer:

discount=108$-$32.4=75.6

3 0

3 years ago

I need help with this questions, please help ill mark brainliest..

Natasha_Volkova [10]

Answer:

Options (1), (3) and (5)

Step-by-step explanation:

Equation that represents the relationship between the three sides of a triangle is,

a² + b² = c²

Where c = longest side of the triangle

If the length of the given sides satisfy the equation, triangle formed by the sides will be a right triangle.

Option A.

27 in, 36 in, 45 in

(45)² = (27)² + (36)²

2025 = 729 + 1296

2025 = 2025

True.

Option 2.

18 in, 22 in, 28 in

(28)² = (18)² + (22)²

784 = 324 + 484

784 = 808

False.

Option 3

10 in, 24 in, 26 in

(26)² = (10)² + (24)²

676 = 100 + 576

676 = 676

True.

Option 4

20 in, 21 in, 31 in

(31)² = (20)² + (21)²

961 = 400 + 441

961 = 841

False.

Option 5

28 in, 45 in, 53 in

(53)² = (28)² + (45)²

2809 = 784 + 2025

2809 = 2809

True.

Therefore, Options (1), (3) and (5) will be the correct options.

6 0

3 years ago