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gayaneshka [121]
3 years ago
8

Help please and thanks will mark as brainliest

Mathematics
1 answer:
algol133 years ago
3 0
11)
3x = 180
x = 60

12)

6x + 18 = 180
6x = 162
x = 27
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A 6 cm long spring extends to 9 cm when a 1 kg load is suspended from it. What would be its length if a 2 kg load were suspended
vampirchik [111]

Answer:

12 cm

Step-by-step explanation:

To calculate the length of a spring with a 2 kg load, compare the displacement of a 1 kg load and adjust accordingly.

When a 1 kg load is suspended from the spring, the spring which is 6 cm stretches to 9 cm. This is 3 cm longer due to the weight. If you attach a weight which is twice as much then the displacement will be twice as much. Instead of stretching an additional 3 cm, it will stretch 2*3 = 6 cm. Add this to the length of the spring and it stretches in total 6 + 6 = 12 cm.

4 0
3 years ago
-9 is____ units away from 0 on the number line.
Aloiza [94]

Answer:

My answer would be 9 unit away

Step-by-step explanation:

becuase you can subtract 0 from -9

0 + -9  would equal -9

then 9 - (-9) = 0

so 9 is my answer

sorry if i am wrong

7 0
3 years ago
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KatRina [158]

Answer:

the answer is 30

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7 0
3 years ago
Read 2 more answers
Rewrite 26/4 as a mixed number in simplest form.
dimulka [17.4K]
4 goes into 26 6 times with a remainder of 2.

26 ÷ 4 = 6 2/4

6 2/4 = 6 1/2

Your answer is 6 1/2
3 0
3 years ago
On Sunday, a local hamburger shop sold a combined total of 536 hamburgers and cheeseburgers. The number of cheeseburgers solid w
aleksklad [387]

Answer:

134 hamburgers sold on Sunday

Step-by-step explanation:

x+3x=536

4x=536

4x/4=x, 536/4=134

x=134

3 0
3 years ago
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