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3 years ago

Which methods correctly solve for the variable s in the equation -2 - 5s =9?

Mathematics

1 answer:

Ivanshal [37]3 years ago

3 0

The answer is C: first add 2 both sides then divide both sides by -5.

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student found the slope of a line that passes through the points (1, 14)and (3, 4) to be 5. What mistake did she make?

vladimir2022 [97]

Y2-y1/x2-x1
(1,14) & (3,4)
y2= 4
y1=14
x2=3
x1=1

So....

(4-14)/(3-1) = -10/2 = -5

The answer should be negative instead of positive, she probably subtracted 4 from 14 instead.

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3 years ago

Solve for x. A. 9 B. 42 C. 10 D. 12

alexandr1967 [171]

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✰According to angle property between tangent and secant✰

$(4x-8)=1/2(80)$

$4x-8=40$

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3 years ago

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Find the value of b needed to make the

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Step-by-step explanation:

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3 years ago

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What is an equation of the line that passes through the points (0, 3) and (5,-3)?

Arisa [49]

Answer:

The equation of the line that passes through the points (0, 3) and (5, -3) is $y = -\frac{6}{5}\cdot x +3$ .

Step-by-step explanation:

From Analytical Geometry we must remember that a line can be formed after knowing two distinct points on Cartesian plane. The equation of the line is described below:

$y = m\cdot x + b$ (Eq. 1)

Where:

$x$ - Independent variable, dimensionless.

$y$ - Dependent variable, dimensionless.

$m$ - Slope, dimensionless.

$b$ - y-Intercept, dimensionless.

If we know that $(x_{1},y_{1}) = (0,3)$ and $(x_{2},y_{2})=(5,-3)$ , the following system of linear equations is constructed:

$b = 3$ (Eq. 2)

$5\cdot m + b = -3$ (Eq. 3)

The solution of the system is: $b = 3$ , $m = -\frac{6}{5}$ . Hence, we get that equation of the line that passes through the points (0, 3) and (5, -3) is $y = -\frac{6}{5}\cdot x +3$ .

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4 years ago

Which methods correctly solve for the variable s in the equation -2 - 5s =9?​

Which methods correctly solve for the variable s in the equation -2 - 5s =9?