2 years ago

For BOYS only, 12*12+13+78-90+56

Mathematics

2 answers:

Westkost [7]2 years ago

5 0

Answer:

201

Step-by-step explanation:

Agata [3.3K]2 years ago

3 0

Answer:

201

Step-by-step explanation:

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Jenifer is 1 year older than twice Zack's age. Write an expression that repersents Jenifer's age in relation to zack.

Sedbober [7]

Answer:

j = 2z + 1

jennifer is one year older or jennifer is plus one.

twice zacks age or two times zacks age.

jennifer's age is two times zacks age plus one or

j = 2z + 1

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2 years ago

Help me please !!!!!!!!!!!!!!

tensa zangetsu [6.8K]

Answer:

$\large\boxed{V=\dfrac{49\pi}{3}\ in^3}\approx51.29\ in^3}$

Step-by-step explanation:

The formula of a volume of a cone:

$V=\dfrac{1}{3}\pi r^2H$

r - radius

H - height

We have

r = (7 : 2) in = 3.5 in

H = 4 in

Substitute:

$V=\dfrac{1}{3}\pi(3.5)^2(4)=\dfrac{1}{3}\pi(12.25)(4)=\dfrac{49\pi}{3}\ in^3$

$\pi\approx3.14\\\\V\approx\dfrac{(49)(3.14)}{3}\approx51.29\ in^3$

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2 years ago

4 Gears A and B turn together. Gear A turns 20 times when

aleksandr82 [10.1K]

Answer:

90 turns

Step-by-step explanation:

<u>Ratio of turns</u>

A/B = 20/30 = 2/3

<u>If A = 60 then the ratio is</u>

60/B = 2/3 ⇒ B = 60*3/2 = 90

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2 years ago

The entire group beging studied and from which sample are taken is called the

navik [9.2K]

Answer:

individual is the correct answer

Step-by-step explanation:

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3 years ago

Find the cost of 6 kg rice, if the cost of 10 kg rice is 325 rupees .

Firlakuza [10]

Answer:

195 rupees

Step-by-step explanation:

10kg=325 rupees

6kg=?

Cross multiplication;

=6×325/10

=1950/10

=195 rupees

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2 years ago