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riadik2000 [5.3K]
3 years ago
15

4 consecutive integer that add up to 30

Mathematics
2 answers:
lapo4ka [179]3 years ago
3 0

7 + 7 + 7 + 7 = 30

7 repeats itself 4 times to equal 30

elixir [45]3 years ago
3 0
4 consecutive numbers. X
X+1
X+2
X+3

X+ x+1 + x+2 +x+3 = 30
4x + 6 =30

Subtract 6 from both sides

4x = 30-6

4x=24

X=6.

The answer is 6,7,8,9
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A video rental store charges a $20 membership fee and $2.50 for each video rented. If 15 videos are rented what is the revenue?
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67.50 divided by 2.50 = 27,
So 27 videos were rented, hope this helps!
3 0
2 years ago
5) Is 3 a zero (or root) of f(x) = x3 - 9x2 + 11x + 21?
frozen [14]

Answer:

Yes

Step-by-step explanation:

f(x) = x³ − 9x² + 11x + 21

f(3) = (3)³ − 9(3)² + 11(3) + 21

f(3) = 27 − 81 + 33 + 21

f(3) = 0

6 0
3 years ago
Chuck's birthday is 2 days before Linus's.
Nat2105 [25]

Answer:

march 9

Step-by-step explanation:

10+3-4

=9

I think that's the answer

6 0
1 year ago
If 6 is a factor of a number, what other numbers must be factors of<br> the number?
zysi [14]

Answer:

2 and 3

Step-by-step explanation:

6 = 2 × 3, so if a number is divisible by 6, it is also divisible by 2 and 3.

8 0
3 years ago
Bottles of sparkling water usually cost $1.69 each. This week they are in sale for 4 for $5. You bought one last week and one th
Phantasy [73]

Answer:

The cost of 1 sparkling bottle in this week is less than last week, so we pay less this week.

We pay $0.44 less this week.

Step-by-step explanation:

Given,

Cost of 1 sparkling bottle last week = $1.69

This week cost of 4 bottles is $5.

So we have to find the cost of 1 bottle.

For this we use the unitary method, we get the cost of 1 bottle;

Cost of 1 sparkling bottle this week = \frac{5}{4}=\$1.25

The cost of 1 sparkling bottle in this week is less than last week, so we pay less this week.

For finding how much we pay less this week, we have to subtract cost of 1 sparkling bottle this week from cost of 1 sparkling bottle last week.

Framing the above sentence in equation form, we get;

Amount\ of\ money\ we\ pay\ less=1.69-1.25=\$0.44

Hence we pay $0.44 less this week.

8 0
3 years ago
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