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iris [78.8K]
3 years ago
8

Which binomial is a factor of 9x2 – 64?

Mathematics
1 answer:
worty [1.4K]3 years ago
4 0
This is a differnce of 2 perfect squares
a²-b²=(a-b)(a+b)
so
9x²-64=(3x)²-(8)²=(3x-8)(3x+8)
factors are (3x-8) and (3x+8)
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Factor 7a^2 + 26a + 15​
sleet_krkn [62]

Answer:

(7a + 5) (a + 3)

Step-by-step explanation:

We can factor by grouping which leaves us with (7a + 5) (a + 3) as the answer.

7 0
3 years ago
3. Laura walks 3/5 mile to school each day. Isaiah walk to school is 3 times as long as Laura's. Howfar does Isaiah walk to scho
Finger [1]
Lets write down what we know...

Laura walks 3/5 mile to school everyday

Laura=3/5mile

Isaiah's walk is 3 times as long as Lauras, so

Isaiah=Laura*3

We know how far Lauras walk is so we can solve for Isaiah's walk

Isaiah=3/5*3 (or Isaiah=3/5+3/5+3/5 if thats easier for you to solve for)
Isaiah=9/5 miles

Now we know the answer! Great, Isaiah walks 9/5 miles to school each day. But 9/5 is an improper fraction, so lets convert it to a mixed number.

9/5=

To solve for this, we have to find out how many times 5 can go into 9. 5 goes into 9 one time with a remainder of 4, so we can write the mixed number as.

9/5= 1 4/5

Isaiah walks 9/5miles or 1 4/5 miles. Both are correct.
5 0
3 years ago
Read 2 more answers
What's 5 5/6 as a improper fraction
yawa3891 [41]
Answer: 35/6
Work: 5*6=30
30+5=35
35/6
7 0
4 years ago
Jill earn $15 per hour babysitting class a transportation fee of five dollars per job. Write a formula for E, Ji Jill earn $15 p
daser333 [38]
Since you know the amount of what she earns you would use the number 15 and you dont know how long she worked you would put "x" next to the 15. so you would have 15x and then put a plus 5 to show her transportation fee. so you would have the equation of 15x+5:) and instead of x use h to show hours because h=hours

you feel me?
great!
6 0
3 years ago
What is the value of t that makes the equation true 2t+5=2t+5 Do you think there is any value of t that doesn't work how do yo
fgiga [73]
There is infinite answers because no matter what you put the equation will always be true

hope this helped please leave a heart and possibly brainliest(:
3 0
3 years ago
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