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3 years ago

12

Evaluate the function for the indicated values of x.

1 answer:

Wittaler [7]3 years ago

5 0

Answer:

= 2x + 1 -5,(x) 55x

=idont now what is that

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What is (8a+2b-(2a-5b) ?

inysia [295]

8a+2b * -2a + 5b (since there's an invisible -1, at least the 1 is) so the product of that is -16a^2 + 10b^2

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3 years ago

I need help finding x and y of this kite?

Nesterboy [21]

Answer:

x=11 and y=8

Step-by-step explanation:

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3 years ago

A 31-foot board is cut into two pieces so that three times the length of the longer piece is 4 times the length of the shorter p

Sonja [21]

Answer:

675

Step-by-step explanation:

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6 0

3 years ago

Please help me !! D is also an option but I couldn't get it in the picture

LiRa [457]

Answer: A) (-1, 0) to (1, 2)

<u>Step-by-step explanation:</u>

Complex numbers are written in the form of ai + b ; where "a" represents the x-coordinate and "b" represents the y-coordinate --> (a, b)

-i → -1i + 0 → (-1, 0)

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Which graph connects those two coordinates? OPTION A

5 0

4 years ago

Solve by elimination:

LenaWriter [7]

Answer: $(4, 3)$

Step-by-step explanation:

1) Multiply the first equation by 3,and multiply the second equation by -5: $3(2x-5y=-7)$ , $-5(5x-3y=11)$

2) Simplify: $6x-15y=-21$ , $-25x+15y=-55$

3) Add the equations to eliminate $y$ : $-19x=-76$

4) Divide both sides by $-19$ : $\frac{-19x}{19} =\frac{-76}{-19}$

5) Simplify: $x=4$

6) Substitute 4 for x in $2x-5y=-7$ : $(2)(4)-5y=-7$

7) Simplify: $-5y+8=-7$

8) Subtract $8$ on both sides of the equation: $-5y+8-8=-7-8$

9) Divide both sides by $-5$ : $\frac{-5y}{-5} =\frac{-15}{-5}$

10) Simplify: $y=3$

11) Write point: $(4, 3)$

8 0

3 years ago