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stira [4]
3 years ago
13

Please tell me if I do # 3 correct

Mathematics
1 answer:
gizmo_the_mogwai [7]3 years ago
4 0
The answer I got is 20.397.
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Umm so I'm confused<br> The question says<br> 5x - 2y = 24<br> x + 2y = 12
Anna007 [38]

Answer:

Step-by-step explanation:

5x-2y=24

x+2y=12

add the two equations

(5x-2y)+(x+2y)=24+12

6x=36

x=6

Plug in x=6 into any of the two equations

5(6)-2y=24

30-2y=24

-6= -2y

y= 3

x=6

y=3

(6,3)

6 0
2 years ago
If gas costs $3.19 per gallon, how many whole
sergiy2304 [10]

Answer:

13 gallons

Step-by-step explanation:

42 / 3.19 = 13.166144200626959,

which can be rounded down to 13 whole gallons.

5 0
2 years ago
Read 2 more answers
The area of a rectangle is 8w + 18 square feet. The length of the rectangle is 2 feet. Use factoring to write an expression to r
qwelly [4]

Answer:

4w + 9

Step-by-step explanation:

Area of rectangle = length x width (or base x height, depending on how you look at it).

It is given to you that:

Area = 8w + 18

Length = 2

Let: width = x

Plug in the corresponding terms with the corresponding words:

8w + 18 = 2x

Isolate the variable, x. Divide 2 from both sides of the equation:

(8w + 18)/2 = (2x)/2

x = (8w + 18)/2

w = (8w)/2 + (18)/2

w = 4w + 9

4w + 9 is the expression that represents the width of the rectangle.

~

6 0
2 years ago
Samantha is painting the outside of a box that is in the shape of a rectangular prism. It’s length is 18cm, it’s width is 6 cm,
sveta [45]

D. 360 cm squared

Explanation:

Multiply each faces edges.

18x7(WxL)

3x6(HxW)

3x18(HxL)

multiply each equations answer by 2, because the opposite face is the same.

108x2=216

18x2=36

54x2=108

add these together to get 360 cm squared.

8 0
3 years ago
If julie make 18 baskets how many baskets does kari make how many baskets do they make in all
melisa1 [442]

Answer:

18x

Step-by-step explanation:

j=18

k=x

18xor18

I do not understand this question

3 0
2 years ago
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