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monitta
2 years ago
6

A) 9x^2-1 B)9x2-6x+1 C)3x^2-1 D) 3x-1

Mathematics
1 answer:
gayaneshka [121]2 years ago
5 0

Answer:

b

Step-by-step explanation:

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A number divided by 5 is at least 4
mina [271]

Answer:

sorry I'm not sure how to help with that yet

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3 years ago
A machine can print 80 T-shirts in 10 minutes. Find the number of T-shirts the machine can put in an hour
noname [10]
There are 6 10 minute segments in an hour ( 60 / 10 = 6)

80 * 6 = 480 T-shirts in 1 hour
6 0
3 years ago
If x2 + nx + 18 = (x + 9)(x + 2), what is the value of n?
mr Goodwill [35]
Foil the right side. Multiply first, outer, inter, and the last terms. The right side is equal to x^2 + 11x + 18x. N is 11.
4 0
3 years ago
Please help me I will give you brainliest
Salsk061 [2.6K]

ok here you go its B

3 0
2 years ago
PLEASE HELP!! Ill GIVE BRAINLIST IF RIGHT!! Refer to this table, which Francine, Geraldo, and Jennifer made during a bicycling t
kaheart [24]

Answer:

d = 4.5t

Step-by-step explanation:

Based on the table...

Francine covers:

9 miles in 2 hours

AND

18 miles in 4 hours

(You can use either one for this)

All you have to do is divide the \frac{miles}{hours}....

So, we can set up the fraction \frac{9 miles}{2 hours}

\frac{9}{2} =4.5 ...

So, knowing that 2 (time) · 4.5 = 9 (miles)...the answer would be

d(miles) = 4.5t (time)

So, the answer is d = 4.5t

Hope this helps!!!

4 0
2 years ago
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