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irga5000 [103]
3 years ago
5

A spring of original length 25 cm was stretched to a new length of 28 cm when a force of 12 n was applied. what would its new le

ngth be if the applied force is doubled?
a. 31 cm
b. 35 cm
c. 50 cm
d. 45 cm
Mathematics
1 answer:
OLga [1]3 years ago
4 0

Answer:

A. 31 cm

Step-by-step explanation:

Hopefully its right :)

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Store Pineapple Unit Prices Nani needs to buy 8 cups of fresh pineapple for a fruit cocktail. The table shows the unit prices (p
umka21 [38]

Answer:A, D, and E

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Rafel counted a total of 40 white cars and yellow cars.there were 9 times as many white cars as yellow cars. how many white cars
Degger [83]
Let w bet the number of white cars and y the numbers of yellow cars.
"Rafael counted a total of 40 white and yellow cars" So w+y = 40.
"There were 9 times as many white cars as yellow cars" So 9Y = W

We get the system:
w+y=40 (1)
9y=w (2)

In equation (1), let's replace w by it's value from equation (2) since w=9y.
We get: 9y+y = 40
10y=40
y=4
So there's 4 yellow cars.

In equation (1), let's replace y by it's value
w+4=40
w=40-4
w=36

Rafael counted 36 white cars.

You can re-check your answer:
4+36=40 (w+y=40)
9*4=36 (9y=w)
The answer has been approved.

Hope this Helps! :)
3 0
3 years ago
Read 2 more answers
it takes 1/2 of a box of nails to build a bird house if you wanted to build 5 bird houses how many boxes would you need​
dedylja [7]

Answer:

You would need 2.5

Step-by-step explanation:

You can use a porportion to solve.

\frac{.5}{1} = \frac{x}{5} (cross multiply and solve)

7 0
3 years ago
Identify the values of a, b, and c in this quadratic equation:
riadik2000 [5.3K]

Answer:

C

a = 1 : b=-8; C = 12

Step-by-step explanation:

I think you did not include the sign between the x^2 and the 8x...my guess is that it is a minus.

By process of elimination the answer is not B or D bc the a-value is 1 not 0.

Then the +12 you did include in the original question indicates that the c-value is 12 not -12 eliminating answer A.

3 0
2 years ago
Can someone explain how to solve this and the solution? Please and thank you :)
Verizon [17]
25 > 2x + 8 - 66

first simplify all numbers

25 > 2x + (8  - 66)
25 > 2x - 58

Then add 58 to both sides

25 (+58) > 2x - 58 (+58)
83 > 2x

Finally divide 2 from both sides to isolate the x

83/2 > 2x/2

41.5 > x

hope this helps
3 0
2 years ago
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