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Varvara68 [4.7K]
2 years ago
8

Peter began his trip at 1 on the number line shown above. He moved 3 positive counts on day one and 8 negative counts on day two

. What number is Peter on after day two?
Group of answer choices

-3

11

-4

5
Mathematics
2 answers:
denis-greek [22]2 years ago
5 0

Answer:

-4

Step-by-step explanation:

if it starts at 1 add 3 and subtract 8 that will be -4

Montano1993 [528]2 years ago
4 0

Answer:

-4

Step-by-step explanation:

1 + 3 = 4

4 - 8 = -4

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1) Find the value for a that makes sin a = cos 25 true A ) 35 B) 65 D ) 155
svet-max [94.6K]

Answer:

B

Step-by-step explanation:

Using the cofunction identity

sin(90 - x)° = cosx°

Here x = 25° , then

cos25° = sin(90 - 25)° = sin65°

6 0
2 years ago
A spring has natural length 20 cm. Compare the work W1 done in stretching the spring from 20 cm to 30 cm with the work W2 done i
Ksju [112]

Answer:

W₂ is three times W₁ (W₂ = 3W₁)

Step-by-step explanation:

Applying,

W = ke²/2............. Equation 1

Where W = workdone in stretching the spring, k = spring constant, e = extension.

For W₁,

W₁ = ke₁²/2

Given: e₁ = 30-20 = 10 cm = 0.1 m

Substitute these value into equation 1

W₁ = k(0.1²)/2

W₁ = 0.005k Joules

For W₂,

W₂ = (ke/2)-W₁

Given: e = (40-20) = 20 cm = 0.1 m

Substitute these value into equation 1

W₂ = (k×0.2²/2)-0.005

W₂ = 0.015k Joules.

W₂/W₁ = 0.015k/0.005k

W₂/W₁ = 3

Therefore,

W₂ = 3W₁

3 0
3 years ago
What is 3/4r + 2r+ 1/2r
Gennadij [26K]
It’s r=-2
Just by doing the work to it I got that answer
3 0
3 years ago
Two out of every 5 costumers at a restaurant use cash to pay for their meal. What percent of the costumers pay with cash?
Gnoma [55]

Answer:

40%

Step-by-step explanation:

Percent means out of 100

Multiply the top and bottom by 20 to get the bottom to 100

2/5 * 20/20 = 40/100

The percent is 40%

6 0
3 years ago
Read 2 more answers
Please help me this is so hard
Anastaziya [24]

Answer:

1. 3    36

      2          18

           2             9

                  2            3

The Prime Factorization is:

2 x 2 x 3 x 3

In Exponential Form:

22 x 32

CSV Format:

2, 2, 3, 3

All Factors of 36:

1, 2, 3, 4, 6, 9, 12, 18, 36

2. 7      42

      2         21

          3         7

_______________________

The Prime Factorization is:

2 x 3 x 7

In Exponential Form:

21 x 31 x 71

CSV Format:

2, 3, 7

All Factors of 42:

1, 2, 3, 6, 7, 14, 21, 42

__________________________________

3.  48

2          24

 2              12

     2               6

          2              3

The Prime Factorization is:

2 x 2 x 2 x 2 x 3

In Exponential Form:

24 x 31

CSV Format:

2, 2, 2, 2, 3

All Factors of 48:

1, 2, 3, 4, 6, 8, 12, 16, 24, 48

_________________________________

4.   27

 3        9

    3        3

The Prime Factorization is:

3 x 3 x 3

In Exponential Form:

3^3

CSV Format:

3, 3, 3

All Factors of 27:

1, 3, 9, 27

_________________________________________________

5. The Prime Factorization is:

2 x 2 x 11

In Exponential Form:

22 x 111

CSV Format:

2, 2, 11

All Factors of 44:

1, 2, 4, 11, 22, 44

__________________

6. The Prime Factorization is:

5 x 5 x 5

In Exponential Form:

5^3

CSV Format:

5, 5, 5

All Factors of 125:

1, 5, 25, 125

__________________________________

7. The Prime Factorization is:

5 x 17

In Exponential Form:

51 x 171

CSV Format:

5, 17

All Factors of 85:

1, 5, 17, 85

_________________________________

8. The Prime Factorization is:

3 x 13

In Exponential Form:

31 x 131

CSV Format:

3, 13

All Factors of 39:

1, 3, 13, 39

Step-by-step explanation:

5 0
3 years ago
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