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lord [1]
3 years ago
8

I need help on this math

Mathematics
1 answer:
goblinko [34]3 years ago
3 0
I believe it is g(5) = 27 because if you look at the table in the x column when x=5, g(x)=27
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A model airplane is built to a scale of 1 in.:12 ft. If the model plane is 11 inches long, find the length of the actual plane,
torisob [31]

Answer:

132 feet

Step-by-step explanation:

we know that

The scale is equal to \frac{1}{12}\ \frac{in}{ft}

That means ---> 1 inch in the model represent 12 feet in the actual

To find the actual dimensions of the airplane, divide the dimensions of the model by the scale

so

11\ in:\frac{1}{12}\ \frac{in}{ft}=11(12)=132\ ft

4 0
3 years ago
I don't get this. Please please please help!!!
shusha [124]
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8 0
3 years ago
Lupe and her friends spend $20 on hot dogs and popcorn at a
vodomira [7]

Answer:

They buy 6 hotdogs and 5 popcorn

Step-by-step explanation:

Assume that they buy x hotdogs and y popcorn

∵ They buy a total of 11 hotdogs and popcorn

∵ The number of hotdogs is x and the number of popcorn is y

∴ x + y = 11 ⇒ (1)

∵ Hot dogs cost $2.50 each

∵ Popcorn costs $1.00 each

∵ They spend $20 on hot dogs and popcorn

→ Multiply x by 2.5 and y by 1, add the products and equate the sum by 20

∴ 2.5(x) + 1(y) = 20

∴ 2.5x + y = 20 ⇒ (2)

Now we have a system of equations to solve it

→ Subtract equation (1) from equation (2)

∵ (2.5x - x) + (y - y) = (20 - 11)

∴ 1.5x + 0 = 9

∴ 1.5x = 9

→ Divide both sides by 1.5 to find x

∴ x = 6

→ Substitute the value of x in equation (1) to find y

∵ 6 + y = 11

→ Subtract 6 from both sides

∴ 6 - 6 + y = 11 - 6

∴ y = 5

∴ They buy 6 hotdogs and 5 popcorn

8 0
3 years ago
How much minutes is in between 2:45 and 4:00
Kaylis [27]
75 minutes which is 1 hour and 15 minutes (:
6 0
3 years ago
(2n-9)-(-2.4n+4)Find the difference.
raketka [301]

Answer:

The difference is 4.4n−13.

Step-by-step explanation:

7 0
3 years ago
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