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coldgirl [10]
3 years ago
12

(-1) + (-1) + (-1) + (-1) + ... 500 times =(a) 500(b) 1(c) -1(d) -500​

Mathematics
1 answer:
pickupchik [31]3 years ago
4 0

Answer:

D

Step-by-step explanation:

(-1) + (-1) = -2... so 500 times... it would be -500.

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3 years ago
What is 15-5(4x-7)=50
katovenus [111]

Simplifying

15 + -5(4x + -7) = 50


Reorder the terms:

15 + -5(-7 + 4x) = 50

15 + (-7 * -5 + 4x * -5) = 50

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Combine like terms: 15 + 35 = 50

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Add '-50' to each side of the equation.

50 + -50 + -20x = 50 + -50


Combine like terms: 50 + -50 = 0

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Combine like terms: 50 + -50 = 0

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Solving

-20x = 0


Solving for variable 'x'.


Move all terms containing x to the left, all other terms to the right.


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5 0
3 years ago
What is the equation of the following line you should scroll down to see all Answer options
lilavasa [31]
Given

Given

\begin{gathered} points \\ (0,0)\text{ and }(15,3) \end{gathered}SolutionStep 1Find slopeSlope\text{ \lparen M\rparen=}\frac{y_2-y_1}{x_2-x_1}\begin{gathered} x_1=0 \\ y_1=0 \\ x_2=15 \\ y_2=3 \end{gathered}

Substitute the given points into the slope formula

Slope(m)=\frac{3-0}{15-0}=\frac{3}{15}=\frac{1}{5}step 2Equation of a line\begin{gathered} y=mx+b \\ m=\frac{1}{5} \\ x=0 \\ y=0 \\  \end{gathered}\begin{gathered} 0=0(\frac{1}{3})+b \\ b=0 \end{gathered}Step 3y=\frac{1}{5}xThe final answerOption B

6 0
1 year ago
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