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3 years ago

Can u answer these 2 questions

Mathematics

2 answers:

snow_tiger [21]3 years ago

8 0

The first question the TAX is 10%, so he will pay 25$ tax on 250
The second question t-shirts doesn’t have sale only socks so 19.20/3 = 6.40$ for each t-shirt

soldier1979 [14.2K]3 years ago

6 0

Answer:

sure

Step-by-step explanation:

5+5=10

6+9=69

2+19=29

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There are 4 keys on a keychain. One of the keys starts a car. If a key is randomly chosen, what is the probability that it start

Evgen [1.6K]

B because 4 keys 100÷4 is 25 and that's 1 key starts a car

8 0

3 years ago

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water is pouring down into a cuboidal reservoir at the rate of 60 liters per minute.if the volume of the reservoir is 108m cube,

cricket20 [7]

Answer:

<u>30 hours</u> it will take to fill the reservoir.

Step-by-step explanation:

Given:

Water is pouring down into a cuboidal reservoir at the rate of 60 liters per minute.

The volume of the reservoir is 108 m³.

Now, to find the number of hours it will take to fill the reservoir.

As given the rate is liters per minute so we convert the volume into liters:

1 m³ = 1000 liters.

Thus, 108 m³ = 1000 × 108 = 108000 liters.

So, the volume of reservoir = 108000 liters.

And the rate of water pouring down = 60 liters per minute.

Now, to get the number of hours to fill the reservoir:

$\frac{volume\ of\ reservoir}{rate\ of\ water\ pouring\ down}$

$=\frac{108000}{60}$

$=1800\ minutes.$

Now, to convert the 1800 minutes to hours by dividing 1800 by 60 as 1 hour is equal to 60 minutes:

$\frac{1800}{60}$

$=30\ hours.$

Therefore, 30 hours it will take to fill the reservoir.

4 0

4 years ago

Marcus is wanting to prove that parallelogram ABCD is a square. He shows that opposite sides are congruent and opposite sides ar

faust18 [17]

Answer:

It cannot be concluded that ABCD is square.

Step-by-step explanation:

parallelogram is a quadrilateral whose opposite side are parallel

it may or may not have angles right angled.

For a quadrilateral to be square following condition should be satisfied

1: opposite side parallel

2: all side congruent

3: All angles right angle.

____________________________________________

coming back to question

given

Marcus shows that opposite sides are congruent and opposite sides are parallel.

He says that opposite sides are congruent but no information is given about adjacent side. Adjacent side should also be congruent

Also , criteria of right angle is not also mentioned which is mandatory to prove shape of square.

Based on above information,

ABCD can also be

Rectangle and Rhombus, as both also have opposite sides congruent and opposite sides parallel.

Hence, it cannot be concluded that ABCD is square.

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3 years ago

If 0 lies in the quadrant IV. What can be the value of cos 0?

kotegsom [21]

Answer:

If 0 lies in the quadrant IV. What can be the value of cos 0 ? The angle 0 does not lie in any of the four quadrants, it lands directly in between quadrants I and IV. The value of cos 0 is always 1.

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4 years ago

Read 2 more answers

F(x) = 3(x - 2)2 + 4?

Darina [25.2K]

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3(x-2)2+4

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3 years ago

Can u answer these 2 questions​

Can u answer these 2 questions