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N76 [4]
3 years ago
13

Expand the expression (r-4)(8)

Mathematics
1 answer:
Gnom [1K]3 years ago
7 0

R - 4 x 8 is the expanded expression

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If there are 9 candies, and 4 of them are yellow, how many does that leave?
pentagon [3]
There are still 9 candies. The color of them is besides the point.
3 0
3 years ago
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Determine the equation for the given line in slope-intercept form
Zigmanuir [339]
I do not have a reference picture to go by, I wish i could help i’m very sorry
5 0
3 years ago
What is the equation in slope-intercept form for the line that passes through the points (–1, 3) and (–2, –3)?
Ede4ka [16]

Answer:

The answer is y = 6x + 9.

-

Step-by-step explanation:

☆Remember: m =  \frac{y_2 - y_1}{x_2 - x_1}

☆Slope-intercept: y = mx + b

---

☆We need to find the slope first. So just plug in according to the slope formula!

m =  \frac{ - 3 - 3}{ - 2 - ( - 1)}  =  \frac{ - 6}{ - 1}  = 6

---

☆Now we need to find the y-intercept. We are going to plug in the slope and a set of coordinates to find the y-intercept.

y = mx + b \\ 3 = 6( -1 ) + b \\ 3 =  - 6 + b \\  \frac{ + 6 =  + 6 \:  \:  \:  \:  \:  \:  \:  \:  \:  \: }{9 = b \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: }

---

☆Now all we need to do is plug in and we are done!

y = 6x + 9

▪Happy To Help <3

5 0
2 years ago
A recipe that will make 3 pies calls for 7 cups of flour. write a proportion and solve it to find how many pies can be made with
Genrish500 [490]
3/7=?/28
12 pies can be made with 28 cups of flour
28/7=4*3=12
Also, if u simplify 12/28, u get 3/7 which is proportionate.
7 0
3 years ago
Read 2 more answers
When the smaller of two fractions is divided by the larger, the result is 7/9. Of the smaller is 8/3, find the larger.
raketka [301]

Answer:

Larger fraction = 24/7

Step-by-step explanation:

Given that:

Smaller fraction = 8/3

Larger fraction = ?

Let the larger fraction is x/y then according to the statement:

8/3 / x/y = 7/9

Rule: When there is a fraction in the denominator of a fraction, the lower fraction is reversed and multiplied with the upper one.

So, according to rule:

8/3 * y/x = 7/9

8y/ 3x = 7/9      

Now multiplying both sides by 3/8 we get

8y/ 3x * 3/8 = 7/9 *3/8

After cancellation:

y/x = 21/ 72

By reducing it to lowest form (dividing both by 3)

We ge:

y / x = 7/ 24

This means y= 7

                   x = 24

So the larger fraction will become: x/y =24/7      

  • Proof:

Smaller fraction / Larger fraction = 7/9

8/3 / 24/7 = 7/9

Applying Rule:

8/3 * 7/24 = 7/9

56/ 72 = 7/9

Reducing it to lowest fraction: (dividing both by 8)

7/9 = 7/9

Hence proved

I hope it will help you!

3 0
3 years ago
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