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Radda [10]
3 years ago
6

Subtract 11b^2-4b+7 from b^2+8b-9

Mathematics
1 answer:
deff fn [24]3 years ago
4 0

Answer:

(b^2 + 8b - 9) - (11b^2 + 4b -7)

b^2 + 8b - 9 - 11b^2 - 4b + 7

- 10b^2 + 12b -16

pls mark as brainliest. . . .

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Marcella ate one cup of air popped popcorn. which equation can Marcelo use to find how many carbohydrates she consumed?
Dahasolnce [82]
She ate 6.2 carbohydrates

8 0
3 years ago
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Martina starting playing video games as soon as she got home from school. She played video games for 15 minutes. Then Martina he
VLD [36.1K]

Answer:

3:30PM

Step-by-step explanation:

Martina starting playing video games as soon as she got home from school. She played video games for 15 minutes. Then Martina helped clean the kitchen for 45 minutes. After the kitchen was clean, it took Martina 15 minutes to finish her homework. When Martina finished her homework, it was 4:45 P.M. What time did Martina get home from school?

Step 1

We add up the minutes it took her to do things

= Minutes for video games + Minutes for cleaning the kitchen + Minutes for doing homework

= 15 minutes + 45 minutes + 15 minutes

= 75 minutes

= 1 hour 15 minutes

Step 2

When Martina finished her homework, it was 4:45 P.M. What time did Martina get home from school?

This is calculated be subtracting 1 hour 15 minutes from 4:45 PM

= 4:45 PM - 1 : 15

= 3:30PM

Therefore, Martha got home from school by 3:30 PM

3 0
3 years ago
mias bank statement showes a closing balance of 75.65 there are no outstanding checks or deposits her checkbook showes a balance
Solnce55 [7]
I'm pretty sure to solve this all you do is subtract 77.95 - 75.65, which would be 2.30. Hope that helps!
4 0
3 years ago
Eight blue socks, four white socks, & two gray socks are mixed in a drawer. You pull out two socks, one at a time, without l
dsp73

Answer:

i would say 6/16 or 2/3 if ur simplifying

Step-by-step explanation:

if its right plz mark brainiest

4 0
3 years ago
Read 2 more answers
Y=x+3<br> y=3x+1<br><br> A. (1,3)<br> B. (0,1)<br> O C. (0,3)<br> D. (1.4)
guajiro [1.7K]

Answer:

D: (1, 4)

Step-by-step explanation:

You can either solve by substitution or elimination. If you are timed, the fastest way is to guess and check (plug-in the answer choices)

I will be using substitution to solve this:

Step 1: Since you have y already, you can set them equal to each other

x+3 = 3x+1

3 = 2x +1

2 = 2x

x = 1

Step 2: Now you have x, plug x into one of the original equations. In this case, I will use the first one

y = 1 + 3

y = 4

Step 3: Now write your answer as a coordinate plane point

x = 1, y = 4

(1, 4)

6 0
3 years ago
Read 2 more answers
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