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2 years ago

Could someone help with question 3?

Mathematics

2 answers:

Harlamova29_29 [7]2 years ago

6 0

Answer:

The last option

Step-by-step explanation:

It can't be 100 added to any, as that would make y greater than x when it is not. And, 35x and 3.5x would be too much.

y = 0.35x + 1.5

y = 0.35(100) +1.5

y = 35 + 1.5

y = 36.5

x = 100, y = 36.5 Which is the first set when x is not 0

7nadin3 [17]2 years ago

4 0

I think it’s the last one

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What is the height of the tree to the nearest tenth of a foot?

Ugo [173]

Answer:

The height of the tree is approximately 21.4 feet

Step-by-step explanation:

We list out the question parameters first as follows;

The distance from the base of the tree where the angle of elevation is measured, d = 10 feet

The angle of elevation to the top of the tree from 10 feet from the base, θ = 65°

Let 'h' represent the height of the tree, then we have;

The line formed by the angle 65° angle, the height of the tree, 'h', and the distance 'd', form a right triangle with 'h' being the opposite leg to the given reference angle, 65°, and 'd' being the adjacent leg

By trigonometric ratio, we have;

$tan(\theta) = \dfrac{Opposite \ leg \ length}{Adjacent\ leg \ length} = \dfrac{h}{d}$

∴ h = d × tan(θ)

Plugging in the given values, we get;

h = 10 feet × tan(65°) = 21 feet $5\frac{11}{32}$ inches

∴ By rounding to the nearest tenth of a foot, the height of the tree, h ≈ 21.4 feet.

3 0

3 years ago

Evaluate "four dollars less than the cost of a sweater" if a sweater costs $22 a a

AleksAgata [21]

The actual cost of the sweater is $18

The question says to evaluate the cost of four dollars less than the cost of a sweater.

To do this, what we have to do is to create a mathematical equation of it.

Less than always insinuates that we are to subtract, and as such, we are going to subtract four dollars from the cost of the sweater to get our final answer.

Four dollars less than the cost of a sweater that costs $22 is

22 - 4 = $18

Learn more about evaluating cost here brainly.com/question/14315509

7 0

2 years ago

A rock band is playing a concert at Music Hall 49, which has 2,500 seats. If 80% of the tickets were sold before the night of th

nasty-shy [4]

First you must see how many seats were bought. To do this you must make a proportion

$\frac{part}{whole} = \frac{part}{whole}$

80 is a percent and percent's are always taken out of the 100. This means that one proportion will have 80 as the part and 100 as the whole

We want to know what 80% of 2,500 is in order to find how many seats were sold before the show. This means 2,500 is the whole and the unknown (let's make this x) is the part.

Here is your proportion:

$\frac{x}{2,500} =\frac{80}{100}$

Now you must cross multiply

x*100 = 80*2,500

100x = 200,000

To isolate x divide 100 to both sides

100x/100 = 200,000/100

x = 2,000

This means that before the night of the concert 2,000 seats were bought.

We are still not done with this problem because we want to know how many seats are left the night of the concert. To find this simply subtract 2,000 from the number of original seating (2,500)

2,500 - 2,000 = 500

On the night of the concert there were 500 seats left.

Hope this helped!

~Just a girl in love with Shawn Mendes

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3 years ago

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Sphinxa [80]

A because if you use T3 it wouldn’t have make sense so only reasonable and solution that works is A

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2 years ago

ANSWER FOR BRAINLIEST:

AlekseyPX

Step-by-step explanation:

I think mode,range and median dpo ako sure

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2 years ago