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3 years ago

Please help its a test!

Mathematics

1 answer:

Kamila [148]3 years ago

3 0

Answer:

I think it might be either c or d

Step-by-step explanation:

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Fill in the<br> with <, >, or = to make a true statement.<br> 4<br> 425<br> -4.12

Lostsunrise [7]

Answer:

4<425>-4.12

Step-by-step explanation:

hopefully this was helpful

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

3 years ago

Hey I need some help

Xelga [282]

Answer:

x = 17

Step-by-step explanation:

The angles are congruent.

So, set them equal to each other.

______

2x - 12 = 22

Apply inverse operations

[+12] 2x - 12 = 22 [+12]

2x = 34

x = 17

5 0

3 years ago

The panthers won 4/5 of their games,. If they lost 7 games, how many games did they win?

Varvara68 [4.7K]

Answer:

They have won 28

Step-by-step explanation:

The team has lost 1/5 of their games. You can do how many they have lost, 7, times the amount of the denominator, 5. Doing this gives you 35, the TOTAL games played. Since we are looking for the games won, you do the total, 35, minus the games lost, 7. You get 28.

7 0

4 years ago

Determinați numărul real a, stiind că punctul A (1, 0) aparține graficului funcției f:R cu valori în R, f(x)=x-a...Ajutati-ma va

sweet-ann [11.9K]

A (a,0 ) apartine Gf <=> f(a) =0 f(a) =a-2=0 a-2=0 a=2 => A(2,0) apartine Gf.

5 0

3 years ago

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