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Art [367]
3 years ago
12

Please help!!! And please ignore the letters at the bottom:)

Mathematics
2 answers:
Eduardwww [97]3 years ago
5 0
13)  9x+9
14)  7x
15)  10x + 50
16)  4x + 15
17)  5x + 26
18)  6 3/5x - 12
19)  2.8x - 7.56
20)  3 1/3x + 1/6

Kruka [31]3 years ago
4 0
Get multi calculator you can scan those problems and it gives you the awnser
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Please help me guys and gals
Klio2033 [76]
A is the answer because remember A is for adults and C is for Children.
8 0
3 years ago
If x = 5 cm, y = 12 cm, and z = 13 cm, what is the surface area of the geometric shape formed by this net?
Lera25 [3.4K]

Answer:

the answer is C.  210 sq. cm

Step-by-step explanation:

Find the area of the triangle

The area of one of the triangular faces can be found by using the formula below.  

a = 1/2 bh

a = 1/2 (5 cm) (12 cm)

a = 30 sq. cm

Since there are two triangular faces, multiply the area of one triangular face by 2. The area of two triangular faces is 60 cm2.

Next, find the area of each of the three rectangular faces using the formula, area = lw.

1st rectangle

a = lw

a =  (5 cm) (5 cm)

a = 25 sq. cm

2nd rectangle

a = lw

a = (5 cm) (12 cm)

a = 60 sq. cm

3rd rectangle

a = lw

a = (5 cm) (13 cm)

a - 65 sq. cm

Add the three rectangle areas to find a total of 150 sq. cm.

To find the surface area of the triangular prism, add the area of the two triangular faces to the area of the three rectangular faces.

60 sq. cm + 150 sq. cm = 210 sq. cm

4 0
3 years ago
A car rental charge is $100 plus $5.00 per mile traveled. Create an equation for the situation above.
Elis [28]
Answer:
X = 100$ + 5a$
Where X is the price of a car rent
And a is the amount of mile travel
3 0
3 years ago
Find the following when a = -3, b = 6, c = −4/5 9b−72a+1
Vadim26 [7]
271.

Hope this helped!
8 0
3 years ago
Solve (x + 2 < 5) ∩ (x - 7 > -6).
garri49 [273]

Let A=x+2\lt5, B=x-7\gt6.

Simplifying both you get A=x\lt3,B=x\gt1.

The set conjunction is A\cap B=1\lt x\lt3.

So the answer is B.

Hope this helps.

3 0
3 years ago
Read 2 more answers
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