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BartSMP [9]
3 years ago
5

How would I get this information into Y=Mx+B

Mathematics
1 answer:
andriy [413]3 years ago
3 0
One question at a time, please.  I will focus on #16 and ignore #18.

slope:  3/4              line passes thru (-8,2)

Write out    y = mx + b.  Subst. 2 for y.  Subst. -8 for x  Subst. (3/4) for m:

2 = (3/4)(-8) + b.  Find b.           2 = -6 + b    =>           b = 8

So your equation is y = (3/4)x + 8.  Please, use (  ) around those fractions!
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A delivery truck is transporting boxes of two sizes: large and small. The large boxes weigh 50 pounds each, and the small boxes
Arturiano [62]

Answer: 50 large box

Step-by-step explanation:

First, "boxes of two sizes" means we can assign variables:

Let x = number of large boxes

y = number of small boxes

"There are 115 boxes in all" means x + y = 115 [eq1]

Now, the pounds for each kind of box is:

(pounds per box)*(number of boxes)

So,

pounds for large boxes + pounds for small boxes = 4125 pounds

"the truck is carrying a total of 4125 pounds in boxes"

(50)*(x) + (25)*(y) = 4125 [eq2]

It is important to find two equations so we can solve for two variables.

Solve for one of the variables in eq1 then replace (substitute) the expression for that variable in eq2. Let's solve for x:

x = 115 - y [from eq1]

50(115-y) + 25y = 4125 [from eq2]

5750 - 50y + 25y = 4125 [distribute]

5750 - 25y = 4125

-25y = -1625

y = 65 [divide both sides by (-25)]

There are 65 small boxes.

Put that value into either equation (now, which is easier?) to solve for x:

x = 115 - y

x = 115 - 65

x = 50

There are 50 large boxes.

Check (very important):

Is 50+65 = 115 ? [eq1]

115 = 115 ?yes

Is 50(50) + 25(65) = 4125 ?

2500 + 1625 = 4125 ?

4125 = 4125 ? yes

4 0
3 years ago
(10-6) to the 3rd power *4 tothe 2nd power + (10 +2) to the 2nd power. Whats the answer?
andrew-mc [135]
(10 - 6)^3 * 4^2 + (10 + 2)^2
4^3 * 4^2 + 12^2
4^5 + 12^2
1024 + 144
1168 <==
6 0
3 years ago
Read 2 more answers
A baseball camp is held to cmplex that has 6 baseball diamonds.The coaches would like each diamond to have the same number of ca
Ghella [55]

Answer:

  it is NOT possible

Step-by-step explanation:

A number is divisible by 6 if it is even and divisible by 3. It is divisible by 3 if the sum of digits is divisible by 3.

The sum of digits of 152 is 1+5+2 = 8, which is not divisible by 3, so 152 is not divisible by 6.

6 0
3 years ago
Find the slope of the line 2y=42-6x
Dovator [93]
2y = -6x + 42.....in y = mx + b form, the m stands for the slope
y = -6/2x + 42/2....reduce
y = -3x + 21.....so the slope is -3
4 0
3 years ago
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What is the answer plsssss help
Sergeu [11.5K]

Answer:

f=9 x 20

Step-by-step explanation:

7 0
3 years ago
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