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erica [24]
3 years ago
11

Read the picture please

Mathematics
1 answer:
Sveta_85 [38]3 years ago
7 0

Answer:

1100

Step-by-step explanation:

After rounding,

3200 - 2100 = 1100

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10. Subtract -2x from -8x.
igomit [66]
-10x. All you have to do is subtract -2 from -8 and then put an x there so it’s -10x
5 0
3 years ago
Jacob earns 9.50 per hour for mowing his neighbor's yards. Last weekend Jacob earned $57. Which equation can be used to determin
Alex

Answer:

9.50h = 57

Step-by-step explanation:

6 0
3 years ago
Factor the expression completely.<br> 63x – 9
liraira [26]

Answer:

The answer is 9(7x – 1).

Step-by-step explanation:

63x – 9

3 × 3 × 7 × x – 3 × 3

9(7x – 1)

Thus, The answer is 9(7x – 1).

 

<u>-TheUnknownScientist</u><u> 72</u>

4 0
3 years ago
Each sequence below gives an explicit formula. Write the first five terms of each sequence. Then, write a recursive
Bas_tet [7]

Answer:

The first five values are 12, 14, 16, 18 and 20

The recursive formula is as follow

\left \{ {{a_{1} =12} \atop {a_{n} =a_{n-1} } + 2} \right.

Step-by-step explanation:

Since we need to find the first 5 values  we start with n = 1 to n = 5. Note that we don't start from n = 0 as the question states that  n ≥ 1.

For the first 5 values we just replace the value of n with 1, 2, 3, 4 and 5 and calculate the answer

a_{1}  = 2(1) + 10 = 12\\ a_{2} = 2(2) + 10 = 14\\  a_{3} = 2(3) + 10 = 16\\  a_{4} = 2(4) + 10 = 18\\ a_{5} = 2(5) + 10 = 20

The first five values are 12, 14, 16, 18 and 20

A recursive formula is one that

a) Mentions the initial term

b) provides a formula connecting the previous term to the existing term.

Since we know the first term is 12, i.e a_{1} = 12 and we know that the difference between consecutive terms is 2 we can conclude that the recursive formula is made up of the following two formulas

a_{1} = 12

a_{n} = a_{n-1}  + 2

The over all formula is as follow

\left \{ {{a_{1} =12} \atop {a_{n} =a_{n-1} } + 2} \right.

8 0
3 years ago
A ball is thrown into the air from a height of 9cm above the ground, and its height is given by S=128+32t-16t^2, where t is the
OverLord2011 [107]
-16t² + 32t + 128 = 0
-16t² + 64t - 32t + 128 = 0
-16t(t - 4) - 32(t - 4)
(-16t - 32)(t - 4) = 0
-16t -32 = 0      t - 4 = 0
-16t = 32          t = 4
t = -2

t = -2 and t = 4 are the values that makes S = 0.
Yes, because if you apply either of  these values alone, S will be 0.
6 0
4 years ago
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