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GarryVolchara [31]

4 years ago

12

Find all real zeroes of the function y=3x+1

1 answer:

yawa3891 [41]4 years ago

3 0

To find the zeroes of a function, you need to find the values of x that make y equal to 0. To do this, you need to plug 0 in for y and solve for x. After plugging 0 in for y, we have 0=3x+1. Then, we have to subtract 1 from both sides to get 3x=-1. Lastly, you need to divide both sides by 3 to get x=-1/3.

I hope this helps.

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If 30 is the total number of starbursts in a bag, how many starbursts are 70% of the bag?

daser333 [38]

Ten percent is 3 starburst because to find ten percent you divide the total number by ten. now to find 70 percent you times ten percent by seven. 3 x7 = 21 :)

8 0

3 years ago

A woman is emptying her aquarium at a steady rate with a small pump. The water pumped to a 12-in.-diameter cylindrical bucket, a

Temka [501]

Answer:

Therefore the rate at which water level is dropping is $\frac{11}{21}$ in per minute.

Step-by-step explanation:

Given that,

The diameter of cylindrical bucket = 12 in.

Depth is increasing at the rate of = 4.0 in per minutes.

i.e $\frac{dh_1}{dt}=4$

$h_1$ is depth of the bucket.

The volume of the bucket is V = $\pi r^2 h$

$=\pi \times 6^2\itimes h_1$

$\therefore V=36\pi h_1$

Differentiating with respect yo t,

$\frac{dV}{dt}=36\pi \frac{dh_1}{dt}$

Putting $\frac{dh_1}{dt}=4$

$\therefore\frac{dV}{dt}=36\pi\times 4$

The rate of volume change of the bucket = The rate of volume change of the aquarium .

Given that,The aquarium measures 24 in × 36 in × 18 in.

When the water pumped out from the aquarium, the depth of the aquarium only changed.

Consider h be height of the aquarium.

The volume of the aquarium is V= ( 24× 36 ×h)

V= 24× 36 ×h

Differentiating with respect to t

$\frac{dV}{dt}=24\times 36 \times \frac{dh}{dt}$

Putting $\frac{dV}{dt}=36\pi\times 4$

$36\pi\times 4= 24\times 36\times \frac{dh}{dt}$

$\Rightarrow \frac{dh}{dt}=\frac{36\pi \times 4}{24\times 36}$

$\Rightarrow \frac{dh}{dt}=\frac{11}{21}$

Therefore the rate at which water level is dropping is $\frac{11}{21}$ in per minute.

7 0

4 years ago

Rick is traveling 53 mph in his car. After 3 hours, how far will he have traveled?

Lemur [1.5K]

Answer:

159 miles

Step-by-step explanation:

The formula for calculating distance is:

Distance= Rate×Time

Distance= 53mph×3hours

Answer= 159 miles

3 0

3 years ago

On a certain hot summer's day,432 people used the public swimming pool. The daily prices are $1.50 for children and $2.00 for a

taurus [48]

Answer:

399 children, 33 adults

Step-by-step explanation:

Children = c

Adults = a

c + a = 432

a = 432 - c

1.5c + 2a = 664.50

1.5c + 864 - 2c = 664.50

-.5c + 864 = 664.50

-.5c = -199.5

.5c = 199.5

c = 399

432 - 399 = 33

a = 33

6 0

3 years ago

Read 2 more answers

Graph the equation. y=3(x+1)^2-2 <br> HELP!!

charle [14.2K]

Answer:

look at the sceenshot how you put the graph in

Step-by-step explanation:

7 0

3 years ago