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3 years ago

The coordinate grid shows the plot of four equations.

Mathematics

1 answer:

Rom4ik [11]3 years ago

5 0

Answer:

Your answer would be A and B

Step-by-step explanation:

Simply look for the coordinates on the graph and look for the name of the lines that intersect there.

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using the midpoint formula, solve for the midpoint of the segment with these pairs of endpoints (-11,30) and (-26,-2)

REY [17]

Answer:

Midpoint is $(\frac{-37 }{2}, 14)$

Step-by-step explanation:

Midpoint = $(\frac{x_{1} + x_{2} }{2}, \frac{y_{1} + y_{2} }{2})$

= $(\frac{-11 -26}{2}, \frac{30 - 2 }{2})$

= $(\frac{-37 }{2}, \frac{28 }{2})$

= $(\frac{-37 }{2}, 14)$

Midpoint is (-37/2, 14)

3 0

3 years ago

Factor completely: 64 - y^3

madam [21]

From your equation, you can see that you have a difference of two cubes (aka two cubes being subtracted): 64, which is $4^{3}$ , and $y^{3}$ .

There is rule for the difference of two cubes:
The difference of two cubes is equal to the difference of the cube roots times a binomial, which is the sum of the squares of the roots plus the product of the roots.

That sounds pretty confusing, but it's much easier to understand when put mathematically. Let's say our two cubes are $a^{3}$ and $b^{3}$ . The difference of those two cubes is:
$a^{3} - b^{3} = (a - b)( a^{2} + ab + b^{2})$

In our problem, a = 4 (since $a^{3}$ = 64) and b = y (since $b^{3} = y^{3}$ . Plug these values into the rule to find the factor of $64 - y^3$ :
$64 - y^3 \\
= (4 - y)( 4^{2} + 4y + y^{2}) \\
= (4 - y)( 16 + 4y + y^{2})$

-----

Answer: $(4 - y)( 16 + 4y + y^{2})$

8 0

3 years ago

Which of these equations represent functions? Check all that apply.

AVprozaik [17]

A is quadratic function
B is equation of a circle
C is equation of a line
D is hiperbolic funciotn

5 0

3 years ago

A2+3b−12 a=6 and b=2 answer plsss

ICE Princess25 [194]

(6×2)+(3×2)-12

the answer is 6

hope that helps:)

4 0

2 years ago

Stephanie planted a home garden. She planted 2 rows of tomatoes with 4 tomato plants in each row. She also planted squash in row

natulia [17]

Answer:

Step-by-step explanation:

it is known that 8 tomato plants were planted in total

( 2 rows with 4 plants each equal to 8 plants in total)

however there is X amount of rows of squash with 7 plants in each row

therefore in an equation it would be y= 7x+8

3 0

3 years ago