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2 years ago

Someone plz help me with #9

Mathematics

1 answer:

prohojiy [21]2 years ago

5 0

Use the point-slope formula y-y1=m(x-x1) to find the equation of the line.

Equation: y= 1/2x+5/2

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The area of the right triangle shown is 24 square feet. Which equations can be used to find the lengths of the legs of the trian

Yuri [45]

Not sure, but the areas of a triangle is BH/2 so the dimensions should be 8 and 6 then 10.
8 x 6 = 48
48/2 = 24
Maybe that can help with the equation

4 0

3 years ago

Read 2 more answers

A customer wants to purchase a pair of shoes that cost $45 and the state sales tax is 7%.

Rasek [7]

Answer:

$22.84

Step-by-step explanation:

The tax is calculated by 0.075 * 21.25 = 1.59375 or $1.59. So the total bill is the cost of items purchased plus tax, which is $21.25 + $1.59 = $22.84.

3 0

3 years ago

Which is the longest? 100mm, 5cm,1/2m

GenaCL600 [577]

Answer:100mm

Step-by-step explanation:

7 0

2 years ago

Which of the expressions below can be factored using the difference of squares method?

zlopas [31]

Answer:

The second choice is correct. It can be factored as:

$9x^2-16y^2=(3x-4y)(3x+4y)$

Step-by-step explanation:

The Difference of Squares Method for Factoring

The expression:

$a^2-b^2=(a-b)(a+b)$

Is a widely used method to factor binomials that are expressed as the subtraction of two perfect squares.

The condition for a binomial to be factored by using this method is that both terms must have an exact square root and they must be subtracted.

The last two choices are not valid because they are not a subtraction but an addition.

The first choice is not valid because none of the terms is a perfect square.

The second choice is correct. It can be factored as:

$9x^2-16y^2=(3x-4y)(3x+4y)$

4 0

2 years ago

84 is 75%, how much is 100%

Afina-wow [57]

La respuesta es 112, es una regla de tres simples

6 0

3 years ago