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Ipatiy [6.2K]
2 years ago
14

Kathy is baking cakes. Each cake requires 1/12 of a teaspoon of vanilla, and she has 9/12 of a teaspoon, how many cakes can she

bake
Mathematics
1 answer:
Vlada [557]2 years ago
8 0
9 cakes because 1/12 is one cake so 9/12 is 9 cakes 
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Need help with this one as well I would be very grateful please need help !
hram777 [196]
You are given two x and y pairs: (100,45) and (570,162.5)
First solve for the slope, m.

m = (162.5 - 45) / (570 - 100)
m = 117.5 / 470
m = 0.25

Not only is "m" the slope but it is the rate (dollars per minute) in the question. So it's 25 cents per minute to use the phone.
After imputing "m"  the linear equation looks like this:
y = 0.25x + b

Use either point as (x,y) to solve for the y-intercept "b". I'll use (100,45)

45 = 0.25(100) + b
45 = 25 + b
45 - 25 = b
20 = b

Not only is "b" the y-intercept but it is also always the flat fee added on to linearly increasing cost questions like this.

Final equation is:
y = 0.25x + 20

Part B.) If 939 minutes are used. Just put that in for x and solve for y.

y = 0.25(939) + 20
y = 234.75 + 20
y = 254.75

8 0
3 years ago
Which is 1.4 written as a decimal in thousandths
Hunter-Best [27]
1.4 in thousands is 1.400
6 0
3 years ago
How many years will it take for the area of the glacier to decrease to 15 square kilometers
jekas [21]

Answer:

aprox: 9 years?

Step-by-step explanation:

im sorry if this is wrong!

8 0
3 years ago
How to tell if vector is unit vector?
Elenna [48]
A unit vector is a vector with a magnitude of one and a direction that depends on what is given. A vector specifies both the direction and magnitude different from a scalar quantity which only specifies magnitude not direction. Magnitude refers to the numeric value.
7 0
2 years ago
The perimeter of a rectangular field is 342 m. If the width of the field is 76 m, what is it’s length?
Klio2033 [76]

Answer:

The length is 95 m

Step-by-step explanation:

P = 2(l+w) where l is the length and w is the width

342 = 2(l+76)

Divide each side by 2

342/2 = 2/2(l+76)

171= l+76

Subtract 76 from each side

171- 76 = l+76-76

95 = l

6 0
2 years ago
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