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professor190 [17]
3 years ago
5

-2(x + y)2 for for x =-3, y = 2 with steps

Mathematics
1 answer:
svlad2 [7]3 years ago
6 0

Step-by-step explanation:

-2(-3+2)2

(-2×-3)+(-2×2)2

(6-4)2

2(6-4)

(2×6)+(2×-4)

12-8=4

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The marked price of a television set is #480. What is the sale price if a discount of 15% is given?
Hoochie [10]

Answer:

sale price = 408

Step-by-step explanation:

480 * 15/100 = 72

sale price = 480 -72 =408 (ans)

7 0
3 years ago
Read 2 more answers
What are the remaining angle measures if the figure is to be a parallelogram?
Kobotan [32]

Answer:

We conclude that:

m∠B = 101°

m∠C = 79°

m∠D = 101°

Step-by-step explanation:

Given the parallelogram ABCD

We know that a parallelogram has opposite angles that are congruent.

Here,

The angles ∠A and ∠C are opposite angles.

Thus,

  • ∠A = ∠C

The angles ∠B and ∠D are opposite angles.

Thus,

  • ∠B = ∠D

<u>Determining the measure of angles of a parallelogram:</u>

As

∠A = 79°

We know

  • ∠A = ∠C

Thus, the measure of the angle ∠C is:

m∠C = 79°

We know that the sum of the measure of two consecutive angles is 180°.

As ∠A and ∠D are consecutive angles, so

∠A + ∠D = 180°

substituting ∠A = 79° in the equation

79° + ∠D = 180°

subtracting 79° from both sides

79° + ∠D - 79° = 180° - 79°

∠D = 101°

Thus, the measure of the angle D is:

m∠D = 101°

We know that the angles ∠B and ∠D are opposite angles.

Thus,

  • ∠B = ∠D

so if m∠D = 101° then ∠B is also 101°.

Therefore, the measure of angle B is:

m∠B = 101°

Hence, we conclude that:

m∠B = 101°

m∠C = 79°

m∠D = 101°

7 0
3 years ago
A garden has an area of 196 square feet. If you want to edge the garden with 1 foot pavers that cost $1.90 each, how much will i
Rainbow [258]

Answer:

197.9

Step-by-step explanation:

4 0
3 years ago
Which number line represents the solutions to [x - 5] = 1?
Strike441 [17]

Answer:

there should only be two points at 6 and 4

Step-by-step explanation:

[x-5]=1

x-5=+ 1 or -1

x-5= 1

x-5= -1

x=6 or 4

7 0
3 years ago
What’s the slope of this line?
Oksanka [162]

Answer:

-1

Step-by-step explanation:

The formula for slope is: \frac{y_1-y_2}{x_1-x_2} where (x_1,y_1) and (x_2,y_2) are points

Plug in (-5,3) and (-3,1) into the equation, and you get:

\frac{-5-(-3)}{3-1} =\\\frac{-2}{2} =\\-1

6 0
3 years ago
Read 2 more answers
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