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fomenos
3 years ago
10

What even is this?! Please help!

Mathematics
1 answer:
Tcecarenko [31]3 years ago
3 0

Answer:

at 0 min it has 540litters

it is draining at a rate of 540litters/3min = 180 lit/min

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(Tough day dividing polynomials and I'm still lost!) Please help me my hands are legit numb:)
N76 [4]

Answer:

Option D. 9

Step-by-step explanation:

There are two ways to obtain the answer to the question.

Method 1:

Let 2x + 1 = 0

Making x the subject, we have

2x + 1 = 0

Collect like terms

2x = –1

Divide both side by 2

x = –1/2

Now, put the value of x into the expression 4x³ – 6x² – 8x + 7, we have:

4x³ – 6x² – 8x + 7

x = –1/2

4(–1/2)³ – 6(–1/2)² – 8(–1/2) + 7

4(–1/8) – 6(1/4) – 8(–1/2) + 7

–1/2 – 3/2 + 4 +7

– 4/2 + 4 + 7

– 2 + 4 + 7

= 9

Method 2:

Divide 4x³ – 6x² – 8x + 7 by 2x + 1

Please see attached photo for explanation.

4 0
3 years ago
The cost y to rent a tent is proportional to x days. if it costs $56 to rent a tent for 7 days what is the formula
Alona [7]
Probably y = 8x. 56 = 8(7), so that works. Without more data, I couldn't say if it could be something else, so that's what I go with.
4 0
2 years ago
What is the measure of XYZ?<br> O A. 75°<br> O B. 56.5°<br> O C. 38°<br> O D. 76
tatyana61 [14]
is there a picture i can use to help out?
4 0
3 years ago
If the image below is dilated with a scale factor of 2, what is the perimeter of the dilated image?
garri49 [273]

Answer:

the answer is 24

Step-by-step explanation:

i got it correct on my test

8 0
3 years ago
The number of cars at a dealership dropped from 64 to 48 after a weekend sale.
tigry1 [53]

Answer: B. 25%

Step-by-step explanation:

64-48 = 16

16/ 64= 0.25

0.25 x 100 = 25%

8 0
2 years ago
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