2 years ago

How to solve the problem

Mathematics

1 answer:

Nat2105 [25]2 years ago

7 0

The answer will be 1,260 because u have to multiply all the the numbers to get area

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The mass of the container is 5.81 kilograms when completely filled with sugar. The mass of the container is 3.8 kilograms when 3

blagie [28]

Removed sugar is 3/8 and it is 5.81-3.8=2.01 kg
so 3/8 is 2.01 kg
full mass of sugar is 2.01:3*8=5.6 kg
so the mass of container is 5.81-5.6=0.21 kg
Answer: the mass of <span>empty container is 0.21kg</span>

7 0

3 years ago

You are standing 45 meters from the base of the Empire State Building. You estimate that the angle of elevation to the top of th

Nastasia [14]

base, b = 45m

angle of elevation, aoe = 82deg

height at 86th floor, h1

height above 86th floor, h2 = 123m

total height, h = h1 + h2

using

tan (aoe) = h1/b

=》 h1 = tan (aoe) × b = tan 82 x 45 = 320.2

h = h1 +h2 = 320.2 + 123 = 443.2m

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2 years ago

A piggy bank contains $5.45 in dimes and quarters. If the bank contains 29 coins, how many quarters are in the bank?

Sveta_85 [38]

The answer is 21 quarters

6 0

3 years ago

Read 2 more answers

And right triangle ABC shown, what is the length of AC?

Vera_Pavlovna [14]

Simple pythagorus theorem with the equation a^2=b^2+c^2
To find AC, (2^2)+(3^2)=4+9=13
AC=the square root of 13

4 0

2 years ago

The graphs below are based on government data on unemployment for 2017.

lord [1]

You already got the first two questions right: the group with the highest number of people unemployed / unemployment rate is the one with the highest bar in the respective histogram.

The two graph are related in this sense: take the first age group as reference. We know that 700 people from 16 to 19 are unemployed, and that those people represent 14% of the population, then we know that the 14% of the population between 16 and 19 is 700.

We can deduce that, if x is the number of people between 16 and 19, we have

$\dfrac{14}{100}x=700 \iff \dfrac{7}{50}x=700 \iff \dfrac{x}{50}=100 \iff x=5000$

So, by the relation between the two graphs, we can deduce the total population for each age group.

3 0

2 years ago