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Kobotan [32]
3 years ago
14

Are these right??? Please help

Mathematics
2 answers:
zvonat [6]3 years ago
6 0

Answer:

yes as far as i can see and tell

Step-by-step explanation:

andrey2020 [161]3 years ago
3 0
Yea you are correct
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Whoops i forgot to read the lesson :P 30 points
andriy [413]

Step-by-step explanation:

I'll do 2.

Alright,Alex let say we have factored a quadratic into two binomial, for example

(5x + 3)(6x - 4)

If we set both of those equal to zero

(5x + 3)(6x + 4) = 0

We can used the zero product property in this case to find the roots of the quadratic equation.

This means that

if  \: ab = 0 \: then \: a = 0 \: and \: b = 0

This means we set each binomal equal to zero to find it root.

5x + 3 = 0

5x =  - 3

x =  -  \frac{3}{5}

6x + 4 = 0

6x =  - 4

x =  -  \frac{2}{3}

So our roots are negative 3/5 and negative 2/3 using zero product property

6 0
3 years ago
Henry is staining the wooden floor of a court. The court is in the shape of a rectangle. Its length is 54 feet and its width is
tensa zangetsu [6.8K]

Answer:

Henry would need 12 cans to cover the court

Step-by-step explanation:

1: 30 times 54 = 1620

2: 1620 divided by 135 = 12

8 0
4 years ago
Greatest to least 73.05 74.01 73.50
marissa [1.9K]
Greatest to least:
74.01, 73.50, 73.05
7 0
3 years ago
Read 2 more answers
Find the distance between the lines<br> Y=3x+10<br> Y=3x-20<br> AND <br> Y=3/2x+3/2<br> Y=3/2x-5
rosijanka [135]
At first we need to know how to find the distance between two parallel lines
The parallel lines which have the same slope 
If we have two parallel lines ⇒ y₁ = mx + c₁   and    y₂ = mx + c₂
So, the distance between y₁ and y₂ = d = \frac{|c_{1} - c_{2}|}{\sqrt{1 + m^{2}}}
========================================================

Part (1):
=======

<span>The distance between the lines
</span>
<span> Y₁ = 3x + 10    and       Y₂ = 3x - 20</span>
∴ m = 3  , c₁ = 10  and  c₂ = -20
∴ d = \frac{| 10 - (-20)|}{\sqrt{1 + 3^{2}}}= \framebox{9.5}

========================================================

Part (2):
=======

<span>The distance between the lines
</span>
Y₁ = <span>3/2 x + 3/2</span>    and       Y₂ = <span>3/2 x - 5</span>
∴ m = 3/2 = 1.5  , c₁ = 3/2 = 1.5   and  c₂ = -5
∴ d = \frac{| 1.5- (-5)|}{\sqrt{1 + 1.5^{2}}}= \framebox{3.6}

6 0
3 years ago
Find the measure of angle x. Round your answer to the nearest hundredth. (please type the numerical answer only)
Alex

The value of x in the triangle is 28.1 degrees

<h3>How to solve for x?</h3>

The given triangle is a right triangle.

So, the relationship between the sides and angle x is:

sin(x) = opposite/hypotenuse

This gives

sin(x) = 8/17

Evaluate the quotient

sin(x) = 0.4706

Take the arc sin of both sides

x = \sin^{-1}(0.4706)

Evaluate

x = 28.1

Hence, the value of x in the triangle is 28.1 degrees

Read more about right triangles at:

brainly.com/question/2437195

#SPJ1

5 0
2 years ago
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