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Lapatulllka [165]
3 years ago
13

You don't have to do every question but someone do 1 and someone else do 2 and it continues

Mathematics
1 answer:
monitta3 years ago
5 0
1) 28
This is because 336/12=28
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Find an equation of the line passing through the pair of points. Write the equation in the form Ax+By=C
Igoryamba

Answer:

<h2>11x - y = -79</h2>

Step-by-step explanation:

The standard form of an equation of a line:

Ax+By=C

The point-slope form of an equation of a line:

y-y_1=m(x-x_1)

m - slope

(x₁, y₁) - point

We have the points (-7, 2) and (-8, -9). Substitute:

m=\dfrac{-9-2}{-8-(-7)}=\dfrac{-11}{-1}=11

y-2=11(x-(-7))\\\\y-2=11(x+7)

Convert to the standard form:

y-2=11(x+7)           <em>use the distributive property </em>a(b + c) = ab + ac

y-2=11x+77            <em>add 2 to both sides</em>

y=11x+79           <em>subtract 11x from both sides</em>

-11x+y=79        <em>change the signs</em>

11x-y=-79

7 0
3 years ago
How many solutions does the system of equations below have?<br><br> x − 4y = 6<br> 2x − 8y = 12
bearhunter [10]

Answer:

x = 4y + 6

Step-by-step explanation:

x-4y=6

2x-8y=12

multiply 2 on both side in equation 1, and multiple - on both side in equation 2:

2x-4x=12

-2x+8y=-12

so the equation becomes:

4y=0

y=0

put the value of y in both of the equations:

x=6 equation 1

x=6 equation 2

so,

x = x

then,

x = 4y + 6 equation 1

-2 ( x - 4y ) = -12

x - 4y = -12/ -2

x - 4y = 6

x = 4y + 6

so the ans is:

x = 4y +6

8 0
3 years ago
Select the postulate that is illustrated for the real numbers 5+(-5)=0
ozzi

In this question , we have to find the postulate that is illustrated for the real numbers

5+(-5) = 0

The postulate is Additive inverse postulate which states that

a+ (-a) =0

Where a is the real number and -a is the opposite of a. It states that , if opposite of a number is added with the number, the result is 0 .


3 0
4 years ago
Read 2 more answers
What’s 437727x9018 ?
makvit [3.9K]
3947422086
is the answer hope it helps:)
7 0
3 years ago
Read 2 more answers
To the nearest hundredth, what is the length of line segment AB ? Drag your answer into the box. The length of line segment AB i
quester [9]

Answer:

B. 10.44 units.

Step-by-step explanation:

We are asked to find the length of line segment AB.

To find the length of line segment AB we will use distance formula.

\text{Distance}=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Upon substituting the coordinates of point A and B in distance formula we will get,

\text{Distance between point A and point B}=\sqrt{(1--9)^2+(-1--4)^2}

\text{Distance between point A and point B}=\sqrt{(1+9)^2+(-1+4)^2}

\text{Distance between point A and point B}=\sqrt{(10)^2+(3)^2}

\text{Distance between point A and point B}=\sqrt{100+9}

\text{Distance between point A and point B}=\sqrt{109}

\text{Distance between point A and point B}=10.4403065089105502\approx 10.44

Therefore, the length of line segment AB is 10.44 units and option B is the correct choice.

7 0
4 years ago
Read 2 more answers
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