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lana [24]
3 years ago
13

Plz answer letter b and number 5.6

Mathematics
2 answers:
blsea [12.9K]3 years ago
7 0

Answer:

b. Is because -3 because the the negative gets turned into a positive.

5. They are almost the same because subtraction change the negative to a positive and the -5+2 is the aftermath of what happend.

6. Its because the subtract a negative it cancels out and makes the number a positive.

Naddika [18.5K]3 years ago
3 0
The answer is -5 because the scar at the end of the point is the best liver to have today
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Anna bought snacks for her team's practice. She bought a bag of oranges for $3.27 and a 4-pack of juice bottles. The total cost
Nonamiya [84]

Answer:

0.44 cents per bottle

Step-by-step explanation:

I HOPE THIS HELPS YOU OUT WITH YOUR QUESTION! PLZ LET ME KNOW IF IT DID! IT MAKES ME FEEL GOOD THAT SOMEONE APPRECIATES IT! ANYWAY, IF YOU HAVE A FEW MINUTES PLZ GOT TO MY PROFILE AND THANK MY ANSWERS (THE MORE THE MERRIER)

3 0
3 years ago
A circular oil slick is expanding at a rate of 3m/min. How fast is the area of the oil slick changing when the diameter is 48 me
olga55 [171]

Answer:

48\pi \:m/min

Step-by-step explanation:

Diameter = 48 m

Therefore radius r = 48/2 = 24 m

Area  \: of \:  circular  \: oil  \: slick  \\ A = \pi {r}^{2}  \\  differentiating \: w \: r \: to \: t \: on \: \\  both \: sides \\  \\  \frac{dA}{dt} =  \frac{d}{dt} (\pi {r}^{2} )\\  \\  \frac{dA}{dt} =\pi  \frac{d}{dt} {r}^{2} \\  \\  \frac{dA}{dt} =\pi  \times  2{r}\\  \\  \frac{dA}{dt} =2\pi {r} \\  \\   \bigg(\frac{dA}{dt} \bigg)_{r=24} =2\pi \times  {24} \\  \\   \bigg(\frac{dA}{dt} \bigg)_{r=24} =48\pi  \: m \: per \: min

6 0
3 years ago
A construction crew is lengthening a road. The road started with a length of 56 miles, and the crew is adding 3 miles to the roa
Fiesta28 [93]

Answer:

Below

Step-by-step explanation:

The initial length of the road was 56. 56 is the y-intercept assuming that the graph of this function is a line.

so the equation is:

y= mx+56

m is the slope of the function wich is by how much the function grows.

By analogy, m is the distance added to the road each day.

● y= 3x+56

X is the number of days.

■■■■■■■■■■■■■■■■■■■■■■■■■■

To find the length of the road after 33 days, replace x by 33.

y= 3*33+56 = 155

So after 33 days the road is 155 miles.

5 0
3 years ago
Find all the zeroes of the polynomial function f(x)=x^3-5x^2+6x-30 in you use synthetic division show all three lines of numbers
jonny [76]

Answer:

5,i\sqrt 6 and -i\sqrt 6

Step-by-step explanation:

We are given that  the polynomial

f(x)=x^3-5x^2+6x-30

We have to find the all the zeroes of the polynomial function.

f(x)=0

x^3-5x^2+6x-30=0

x^2(x-5)+6(x-5)=0

(x-5)(x^2+6)=0

x-5=0

x=5

x^2+6=0

x^2=-6

x=\pm\sqrt{-6}=\pm i\sqrt6

Using \sqrt{-1}=i

Hence, all the zeroes of the polynomial function are

5,i\sqrt 6 and -i\sqrt 6

7 0
3 years ago
Which inequality describes the graph?
Phoenix [80]

Answer:

-4x < 20

Step-by-step explanation:

-4x < 20\\x > -5

*remember when you're dividing by a negative you have to flip the sign

8 0
3 years ago
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