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gulaghasi [49]
3 years ago
13

Simplify the expression, -2.75 +0.31 - 16-3

Mathematics
1 answer:
dalvyx [7]3 years ago
8 0

Answer:

decimal form is -21.44 and fractional form is -536/25

Step-by-step explanation:

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Jamal's deck is in the shape of a polygon and is shown on the grid below.(-8,6)(6,6)o[(-8, -4),(6,-4)What is the area of Jamal's
PSYCHO15rus [73]

Let;

A(-8,6) B(6,6) C(6, -4) D(-8, -4)

Let's find the length AB

x₁= -8 y₁=6 x₂=6 y₂=6

We will use the distance formula;

d=\sqrt[]{(x_2-x_1)^2+(y_2-y_1)^2}

=\sqrt[]{(6+8)^2+(6-6)^2}=\sqrt[]{14^2+0}=14

Next, we will find the width BC

B(6,6) C(6, -4)

x₁= 6 y₁=6 x₂=6 y₂=-4

substitute into the distance formula;

d=\sqrt[]{(6-6)^2+(-4-6)^2}

=\sqrt[]{(-10)^2}=\sqrt[]{100}=10

Area = l x w

= 14 x 10

= 140 square units

7 0
1 year ago
Is the given ordered pair a solution to the equation? <br><br><br> y=2x+7;(-2, 3)
iren2701 [21]

Answer:

The answer to your question is: Yes, it is a solution

Step-by-step explanation:

           

Point  (-2, 3)

                         Line:            y = 2x + 7

Process, replace the point in the line

                                          3 = 2(-2) + 7

                                          3 = -4 + 7

                                          3 = 3

As we got that 3 equals 3, then the point given is a solution of the equation.

               

5 0
4 years ago
The system of equation y=3/4 and y=-x+3 According to the graph, what is the solution to this system of equations?
djverab [1.8K]

Answer:

(2.25 , 0.75)

Step-by-step explanation:

solution is where the graphs intersect each other

3/4 = - x + 3

-x = 3/4 -3 = -2 1/4

x =2 1/4

4 0
3 years ago
PLEASE HELP!!!!!!!<br> (do not answer if you do not know, so the points go to people who do know.)
zheka24 [161]

Answer:

1a = 8 cu. in.

1b = 48 cu. yd.

1c = 15 cu. ft.

2a. 36 cu. yd.

2b = 126 cu. ft.

2c = 90 cu. ft.

3a = 112 cu. in.

3b = 60 cu. yd.

3c = 189 cu. ft.

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Can someone help me with circles plz
Brilliant_brown [7]

Answer:

Step-by-step explanation:

What do you mean?

7 0
3 years ago
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