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4 years ago

Need some help with the question

Mathematics

2 answers:

Artist 52 [7]4 years ago

6 0

i’m doing big ideas too smh. you will keep change flip. and change them to an improper fraction.

so improper fraction times (flipped) other fraction

serg [7]4 years ago

4 0

9 4/5 = 49/5

3 1/2 = 7/2

49/5 * 2/7 = 14/5

14/5 = 2 4/5

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Use the point-slope formula to write an equation of the line that passes through (-5,3) and

trapecia [35]

Answer:

The equation in point slope form is $y-6=\frac{1}{3}(x-4)$

The equation in slope intercept form is $y=\frac{1}{3}x-\frac{14}{3}$

Step-by-step explanation:

step 1

Find the slope m

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

we have

$(-5,3),(4,6)$

Substitute the values

$m=\frac{6-3}{4+5}$

$m=\frac{3}{9}$

simplify

$m=\frac{1}{3}$

step 2

Find the equation of the line in point slope form

$y-y1=m(x-x1)$

we have

$m=\frac{1}{3}$

$(4,6)$

substitute

$y-6=\frac{1}{3}(x-4)$ ---> equation in point slope form

step 3

Find the equation of the line in slope intercept form

$y=mx+b$

$y-6=\frac{1}{3}(x-4)$ ----> convert to slope intercept form

$y-6=\frac{1}{3}x-\frac{4}{3}$

$y=\frac{1}{3}x-\frac{4}{3}+6$

$y=\frac{1}{3}x-\frac{14}{3}$

5 0

3 years ago

Please answer a and b

Assoli18 [71]

Answer:

(-2,1) (-1,1),(0,1)

Step-by-step explanation:

find the gradient first

6 0

3 years ago

A class of 30 swim team members took a lifesaving test. Eighteen of the members had an average score of 92. The remaining member

andrew-mc [135]

Okay, so let's find the average
People with 92: 18(92)
People with 84: 12(84)
1656 + 1008 = 2664
So then we divide by 30
2664 / 30: 88.8
The average is a score of 88.8

5 0

3 years ago

Read 2 more answers

HELP ME!

morpeh [17]

Let the variable be x

A number isn’t given so pick any number.

Let’s use 10

Set up the equation to get:

X + 10 = -8

Solve for the variable by subtracting 10 from both sides:

X = -18

Let the variable be y and pick any number, let’s use the number 2.

Equation: 2 x y = 4/5

Solve for y by dividing both sides by 2:

Y = 2/5

3 0

3 years ago

karen read 20 pages of her book in half an hour.if she read for 3 hours at that same rate about how many pages of her book can k

Julli [10]

If she read 20 in half an hour how many can she read in 1 hour=40
so, that gets you 120 the answer is she can read 120 pages in 3 hours

4 0

3 years ago