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3 years ago

Help :( please ..... .

Mathematics

2 answers:

3241004551 [841]3 years ago

8 0

Answer:

412

Step-by-step explanation:

the operation that can help us is the division

the hint are the words : “equal distance“

4532 : 11 = 412

NeTakaya3 years ago

5 0

Answer:

412

4532 / 11 = 412

Step-by-step explanation:

Since the question stated that she walks the dogs an equal distance, we can easily find out how long she walked each of them for by dividing the amount of yards she walked by the amount of dogs she walked.

Hopefully this helps

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A cone has a radius of 5 ft and a height of 15 ft. It is empty and is being filled with water at a constant rate of 15 15 ft 3 f

kvasek [131]

Answer:

$\frac{dr}{dt}=0.11062ft/sec$

Step-by-step explanation:

From the question we are told that:

Radius $r=5ft$

Height $H=15ft$

Rate $R=15ft/3sec =5ft/s$

Surface Radius $R_{surf}=2.2ft$

Generally the equation for Volume is mathematically given by

$V=\frac{1}{3}\pi*r^2h$

Since radius to height ratio gives

$\frac{r}{h}=\frac{5}{15}$

$\frac{r}{h}=\frac{1}{3}$

$h=3r$

Therefore

$V=\frac{1}{3}\pi*r^2(3r)$

$V=\pi r^3$

Generally the equation for Change of Volume is mathematically given by

$\frac{dv}{dt}=\pi \frac{d}{dt}(r^3)$

$\frac{dv}{dt}=\pi 3*r^2 \frac{dr}{dt}$

$\frac{dv}{dt}=\pi 3*(2.2)^2 \frac{dr}{dt}$

$\frac{dr}{dt}=\frac{5}{45.62}$

$\frac{dr}{dt}=0.11062ft/sec$

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3 years ago

Which number produces an irrational number when multiplied by 0.4?

snow_lady [41]

Answer:

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goldfiish [28.3K]

Answer:

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Classify ABC by its angles when mA = 32°, mB = 95°, and mC = 53°.

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If Maya orders a $1.89 drink, 3 cookies at $.99 each, and 2 slices of pizza at $2.50 each. How much did Maya pay for her order?

sweet [91]

Answer:

$9.86

Step-by-step explanation:

Frist you read the problem and you see that she pays $1.89 for one drink

so you write down $1.89

then 3 cookies for $0.99 so you multiply $0.99 by 3 and you get $2.97

so you write down $2.97

next 2 slices of pizza for $2.50 so you multiply 2 by $2.50 and you get $5.00

so you write that down

lastly you and the answers you wrote down and you get $9.86

Maya payed $9.86 for her order.

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3 years ago