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Aleksandr [31]
3 years ago
7

Someone help this is my last night for this I will cashapp you I’m not lying

Mathematics
1 answer:
Leona [35]3 years ago
8 0

Answer:

c

Step-by-step explanation:

the answer is -20+5x=-30 because

-20+5x=-30

             +20

5x= -10

5/5=-10/5

x=-2

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Pls help will mark brainliest!!!!!!
Zina [86]
A. figure ABCD is similar to figure A'B'C'D'
4 0
3 years ago
Read 2 more answers
I need to know the area
nadya68 [22]

Answer:

67.5 units²

Step-by-step explanation:

We can break this problem down in two parts: The upper triangle and the lower trapezoid.

The upper triangle:

Use the formula \frac{1}{2} (b)(h) to compute the area of the triangle. Base = 10 and Height = 7.

1/2 (10)(7)

1/2 (70)

=35 units².

The lower trapezoid:

Use the formula \frac{1}{2}(base_{1} + base_{2}) (height) to compute the area of the trapezoid. Base 1 = 10, Base 2 = 3 and Height = 5.

1/2 (10 + 3)(5)

1/2 (13)(5)

1/2 (65)

=32.5 units²

So, add the two areas of each shape:

35 + 32.5 = 67.5 units².

5 0
3 years ago
David rolls a number cube fifty times. The number 4 comes up twelve times. The number 3 comes up eight times. What is the experi
Maurinko [17]

Answer:

40%.

Step-by-step explanation:

Prob( Rolling a 4) = 12/50

Prob( Rolling a 3) = 8/50

When the combined probabilities contain  an 'OR' we Add the probability values:

Probability of a 3 or a 4  

= 12/50 + 8/50

= 20/50

= 2/5

= 40%.

5 0
3 years ago
Read 2 more answers
What is the surface area of the square pyramid? <br><br> The surface area is ____ yd2.
lana [24]

Base Surface Area = 22

=  4 yards^2

Lateral Surface Area =  

2×2√(2/2)^2 + 3^2

2

=  12.649110640674 yards^2

Total Surface Area = 16.649110640674 yards^2

Your Answer: 16.60 rounded to the nearest tenth.

7 0
3 years ago
Read 2 more answers
What are the x and y coordinates for 6y + 4x = 12 and -6x + y =4
Licemer1 [7]
6y+y=6 
4x+-6x=-2
is ur awnser

5 0
3 years ago
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