2 years ago

Can someone help me please please?

Mathematics

1 answer:

erastovalidia [21]2 years ago

6 0

Answer:

Step-by-step explanation:

Count the dot

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3 years ago

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PLEASE HELP WILL MARK YOU BRAINLIEST

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2 years ago

The points , (−15,1) and , (−7,r) lie on a line with slope 5/4. Find the missing coordinate r. Click image to enlarge

Nadya [2.5K]

The missing coordinate r is 11.

Solution:

Given points are (–15, 1) and (–7, r).

$x_{1}=-15, x_{2}=-7, y_{1}=1 \text { and } y_{2}=7$

Slope (m) = $\frac{5}{4}$

<u>To find the missing coordinate r:</u>

Slope formula:

$m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

Substitute the given values in the formula.

$$\frac{5}{4}=\frac{r-1}{-7-(-15)}$

$$\frac{5}{4}=\frac{r-1}{-7+15}$

$$\frac{5}{4}=\frac{r-1}{8}$

Do cross multiplication.

$8 \times 5=4(r-1)$

40 = 4r – 4

Add 4 on both side of the equation.

44 = 4r

Divide by 4 on both side of the equation.

11 = r

⇒ r = 11

Hence the missing coordinate r is 11.

6 0

3 years ago

How many solutions does 4x-1/8=-1/8 (32x-1) have

Tom [10]

It has only one solution

3 0

2 years ago

Papessa [141]

.16666667 is your answer u have to round up the last number tho

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2 years ago