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Angelina_Jolie [31]
3 years ago
8

What is the result of this subtraction?

Mathematics
1 answer:
Vlada [557]3 years ago
6 0
The answer would be D:9.2
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What are the coordinates of the point on the directed line segment from (-6,9) to
brilliants [131]

Answer:

Step-by-step explanation:

difference of x-coordinates = 4-(-6) = 10

difference of y-coordinates = -1-9 = -10

partition the differences into a ratio of 1:4

10 × 1/(1+4) = 2

-10 × 1/(1+4) = -2

(-6+2,9-2) = (-4,7)

8 0
3 years ago
Before we can make the mashed potatoes, we need to boil some water. The water starts out at room temperature, 70° F, and increas
Karolina [17]

Answer:

Part a) y=50t+70

Part b) t=2.84\ min

Step-by-step explanation:

Part a) Create a linear equation

Let

t ----> the time in minutes

y ---> the temperature in °F

we know that

The linear equation in slope intercept form is equal to

y=mt+b

where

m is the slope or unit rate of the linear equation

b is the y-intercept or initial value of the linear equation

In this problem we have

The slope m is equal to

m=50\° F\ per\ minute

The y-intercept is

b=70\° F

substitute

y=50t+70

Part b) How many minutes until the water boils at 212° F?

For y=212° F

substitute in the linear equation and solve for t

212=50t+70

50t=212-70

50t=142

t=2.84\ min

6 0
3 years ago
Evaluate the function f(x)=x^2 +1 for f(2)
Archy [21]

Just plug in 2 for x since f(x) = f(2)

f(2)=2^2+1

f(2)=4+1

f(2)=5

3 0
3 years ago
Find the area of the semicircle. Round your answer to the nearest hundredth.
Neporo4naja [7]

Answer:

56.52

Step-by-step explanation:

This is because in order to find an area of a circle you must do R^2*3.14 and since it is a semicircle add /2 so R^2*3.14/2 and since half of 12 is 6, 6*6 is 36 and 36*3.14 is 113.04 and divide that by 2 which is 56.52

4 0
3 years ago
Read 2 more answers
WRITE AN EQUATION
dimaraw [331]

Answer:

54 students

Step-by-step explanation:

331 - 7

= 324

324 ÷ 6

= 54 students

7 0
2 years ago
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