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andreyandreev [35.5K]
4 years ago
5

Which fraction represents the ratio 9 to 6 in simplest form?

Mathematics
1 answer:
d1i1m1o1n [39]4 years ago
7 0
You have to divide both 9 & 6 by their greatest common factor which is 3 so the answer is 3
               _
               2

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Question 4.

The multiples of 7 are those numbers obtained from the product of 7 and a whole number.

The multiples of 7 between 50 and 70 are:

\text{ 56 and 63}

You could be 56 or 63

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What is the LCM of 144 and 60?
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Answer:

720

Step-by-step explanation:

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Find the area and the circumference of a circle with radius 7 cm.
natka813 [3]

<em>answers \\ area = 153.86 \:  {cm}^{2}  \\ circumference = 43.96 \: cm \\  \\ solution \\ radius = 7cm \\ area \: of \: circle = \pi {r}^{2}  \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  =  \: 3.14 \times  {7}^{2}  \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  = 3.14 \times 49 \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  =  153.86 \:  {cm}^{2}  \\ circumference \: of \: circle = 2\pi \: r \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  = 2 \times 3.14 \times 7 \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  = 43.96 \: cm \\ hope \: it \: helps \\ good \: luck \: on \: you r \: assignment</em>

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4 years ago
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Need help with angles need it today
givi [52]
ANSWER: adjacent angles
3 0
3 years ago
The fish tank has side lengths 20in, 10in and height 15in. The water level is two inches below the top of the tank. A glass sphe
Kitty [74]

Answer:

Part 1) The new distance from the water to the top of the tank is 1.979\ in

Part 2) The maximum number of balls that can be put into the tank with the tank not overflowing is 95

Step-by-step explanation:

step 1

Find the total volume of the tank

V=20*10*15=3,000\ in^{3}

step 2

Find the volume of the tank if the water level is two inches below the top of the tank

V=20*10*(15-2)=2,600\ in^{3}

step 3

Find the volume of the glass sphere

The volume of the glass sphere is equal to

V=\frac{4}{3}\pi r^{3}

we have

r=1\ in

assume

\pi=3.14

substitute

V=\frac{4}{3}(3.14)(1)^{3}

V=4.2\ in^{3}

step 4

What is the new distance from the water to the top of the tank?

we know that

2 in -----> represent (3,000-2,600)=400\ in^{3}

so

using proportion

Find how many inches correspond a volume of 4.2\ in^{3}

\frac{2}{400}\frac{in}{in^{3}}=\frac{x}{4.2}\frac{in}{in^{3}}\\ \\x=4.2*2/400\\ \\x=0.021\ in

The new distance from the water to the top of the tank is

2-0.021=1.979\ in

step 5

Find how many of these balls can be put into the tank with the tank not overflowing

we know that

The volume of one ball is equal to  4.2\ in^{3}

using proportion

\frac{1}{4.2}=\frac{x}{400}\\ \\x=400/4.2\\ \\x=95.23\ balls

therefore

The maximum number of balls that can be put into the tank with the tank not overflowing is 95

4 0
3 years ago
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