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alexandr1967 [171]

3 years ago

14

Find the slope of the line passing through the points(3, -4) and q(-7,1). then find the equation of the line passing through tho

se two points using point-slope form and write your answer in slope intercept form

1 answer:

IRISSAK [1]3 years ago

5 0

Slope is -4-1/-7-3= -5/-10=1/2 it is y2-y1/x2-x1
the equation is y-y1= m(x-x1)= y-(-4) =1/2(x-3) =y+4 =1/2(x-3)

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19. Evaluate: 5 x (8-4) ÷ 4 - 2

leva [86]

Answer:

3

Step-by-step explanation:

$5\times (8-4)\div 4-2= \\\\\\5\times 4\div 4-2= \\\\\\20\div 4-2= \\\\\\5-2= \\\\\\\boxed{3}$

Hope this helps!

6 0

3 years ago

Factor −1/4 out of −1/2x−5/4y..ㅤ

hammer [34]

Answer:

- 1/4 (2x + 5y)

Step-by-step explanation:

Divide each term by - 1/4 first

-1/2x ÷ (- 1/4) = 1/2x × 4 = 2x
-5/4y ÷ (- 1/4) = 5/4y × 4 = 5y

Now facor out - 1/4

- 1/2x - 5/4y =
- 1/4 (2x + 5y)

3 0

2 years ago

Which value of m is a counterexample for the following statement?

Burka [1]

Answer:

3

Step-by-step explanation:

because 3 is a prime number and 3+2=5 which is also a prime number

6 0

2 years ago

What is the equation of a vertical ellipse with a major axis= 20 and a minor axis = 14?

Sunny_sXe [5.5K]

$\bold{\text{Answer: b.}\quad \dfrac{y^2}{100}+\dfrac{x^2}{49}=1}$

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

The ellipse is vertical so y has the biggest radius.

Major axis (y) = 20 so the y-radius is 20/2 = 10

Minor axis (x) = 14 so the x-radius is 14/2 = 7

The equation of an ellipse is: $\dfrac{(x-h)^2}{a^2}+\dfrac{(y-k)^2}{b^2}=1$ where

(h, k) is the center of the ellipse
a is the x-radius
b is the y-radius

Given: a = 7, b = 10

Assume: (h, k) = (0, 0)

$\dfrac{(x-0)^2}{7^2}+\dfrac{(y-0)^2}{10^2}=1\\\\\\\dfrac{x^2}{49}+\dfrac{y^2}{100}=1\\\\\\\longrightarrow \dfrac{y^2}{100}+\dfrac{x^2}{49}=1$

6 0

2 years ago

Somebody help me log (7x+2)-log 3=1

Alex Ar [27]

Answer:

answer below :)

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

Exact Form:

x=−1−log(3)/7

Decimal Form:

x=−0.07469696…

give me brainly please

6 0

3 years ago