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olasank [31]
3 years ago
13

PLEASE HELP!!! GIVE ME EVERY STEP TO HOW YOU GOT YOUR ANSWERS

Mathematics
1 answer:
asambeis [7]3 years ago
5 0

1) "Subtract -7a+1 from 7+a" means -7a+1 is getting taken away from 7+a, so this can be mathematically expressed as:

Starting expression: (7+a)-(-7a+1)

Distributive property with negatives: 7+a+7a-1

Combine like terms: 6+8a

So the answer for the first one is 6+8a

2) "Subtract -4v-2 from -2-5v" means -4v-2 is getting taken away from -2-5v, so this can be mathematically expressed as:

Starting expression: (-2-5v)-(-4v-2)

Distributive property with negatives: -2-5v+4v+2

Combine like terms: -v

So the answer for the second one is -v

Hope these explanations are clear.

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Find the 66th term of the arithmetic sequence -10, 7, 24
zavuch27 [327]

Answer:

1095

Step-by-step explanation:

There is a common difference between consecutive terms , that is

7 - (- 10) = 24 - 7 = 17

This indicates the sequence is arithmetic with n th term

a_{n} = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

Here a₁ = - 10 and d = 17 , thus

a_{66} = - 10 + (65 × 17) = - 10 + 1105 = 1095

5 0
3 years ago
There are 32 sixth graders and 44 seventh graders in the video gaming club. Which ratio is the greatest?
katrin [286]
I’m gonna say D hope this helps
3 0
3 years ago
BCALLE can u help me *3
sveta [45]
Sin∠R = ST/RS   ⇒  ST = RS * sin40° = 9 * 0.6428 ≈ 5.8
3 0
3 years ago
In a fixed-order-quantity system, when demand is uncertain, using economic order quantity (EOQ) based only on the average demand
Ganezh [65]

Answer:

b. False

Step-by-step explanation:

In a fixed-order-quantity system, when there is uncertainty in demand, the average demand will lead to a high probability of a stockout which is in contrast to what is stated in the question. Thus, the answer is false.

8 0
3 years ago
Which shows 4 /5 written as a division expression?
pentagon [3]

Answer:

0.8

Step-by-step explanation:

4/5 is 0.8 as a divison expression.

7 0
3 years ago
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