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2 years ago

What is the value of the function at x = 3? Enter your answer in the box.

Mathematics

1 answer:

prohojiy [21]2 years ago

8 0

Answer:

y = 4

Step-by-step explanation:

The graph passes through the point (3, 4), which means that the value of the function is 4 when x=3.

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2 years ago

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A 15-foot flagpole leans slightly, such that it makes an 80° angle with the ground. The shadow of the flagpole is 10 feet long w

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By determining the length of TV using TV^2=15^2+10^2-2(15)(10)cos80, and then determining the value of x using 15^2=TV^2+10^2-2(TV)(10)cosx.

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3 years ago

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zahra earns $80 each day plus a 6% commission on her sale at an appliance store. on friday zahra has $900in sales.how much does

goldenfox [79]

<h3>Zara earned $ 134 on friday including commission</h3>

<em><u>Solution:</u></em>

Given that,

zahra earns $80 each day plus a 6% commission on her sale at an appliance store

zahra has $900 in sales

<em><u>Find the commission amount</u></em>

commission amount = 6 % of 900

$commission\ amount = \frac{6}{100} \times 900\\\\commission\ amount = 54$

Zara earnings including commission amount = 80 + 54 = 134

Thus Zara earned $ 134 on friday including commission

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3 years ago

The ratio of teachers to students at a school is 3:74. There are 2,500 students at the school. About how many teachers are at th

Alinara [238K]

   Teachers / Students = 3 / 74

      Teachers / 2,500 = 3 / 74

To solve a proportion,
you cross-multiply: Teachers x 74 = 2,500 x 3

Divide each side by 74 : Teachers = 2,500 x 3 / 74

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3 years ago

A square has a side length of 4a. One dimension is decreased by 5 and the other dimension is decreased by 5. Expand and simplify

kondaur [170]

Answer:

$Area= 16a^2-40a+25$

Step-by-step explanation:

given that the side of the square is 4a

The expression for the area can be solved by

1. subtracting 5 from the sides of the square i.e (4a-5)

2. Solving for the area of the square using

$Area= l^2$

$Area= (4a-5)^2\\Area= (4a-5)(4a-5)\\$

opening the bracket and expending we have

$Area= 16a^2-20a-20a+25\\Area= 16a^2-40a+25$

the expression is $Area= 16a^2-40a+25$

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3 years ago