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Fofino [41]
2 years ago
15

Help me plleaaaseeee

Mathematics
1 answer:
polet [3.4K]2 years ago
4 0

Answer: B

Reason:

44 + x  \geq 66

x \geq  22

Also when we have a greater and equal to sign (\geq), it will be a filled in circle.

Thats why its by.

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ABCD is a parallelogram. If AB =3x+4, and CD =4x-1, find the length of AB
RSB [31]
If AB = CD, then 3x+4 is equal to 4x-1

3x + 4 = 4x - 1
Add one to both sides to cancel out.
3x + 5 = 4x
Subtract 3x from both sides to cancel out.
5 = x

Now, substitute the 5 in place of the x in the equation for AB (3x+4)

3(5) + 4
15 + 4
19

Final Answer: B) 19
7 0
3 years ago
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aniel is 16 years old. His age is twice his brother's age, which is represented by x. Write and solve an equation to determine t
gayaneshka [121]

Write an equation.

16=2x

x=8

Daniel's brother is 8 years old.

5 0
3 years ago
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To find out how fast a tree grows, you can measure its trunk. A giant red oak's diameter was 248 inches in 1965. The tree's diam
professor190 [17]
Any times you see the phrase: "Rate of Change", or even sometimes just the word "Rate" think slope. 

The word slope is just a fancy word that means the rate of change. 

Rate of Change is just a fancy phrase meaning how much does something change over some amount of time. 
So in this case our rate of change will have the units of inches per year. 

Let's get to the problem at hand! 
We'll need to find slope / the rate of change (the two are interchangeable with each other).
Let's go over the formula for slope:

m = (y2 - y1) / (x2 - x1) 

First we will need to label each of the "coordinated points (the two numbers that go together in a pair)" with either (x1,y1) or (x2,y2). 

A Giant Red Oak's diameter in 1965 was 248 inches. Keep in mind time is ALWAYS going to be X in rate of change problems (and most all problems for that matter).  

(1965,248) 
(X1,Y2)

(2005,251)
(X2,Y2)

Plug in the values into the equation!
m = (y2 - y1) / (x2 - x1)
m = (251 - 248) / (2005 - 1965) 
m = (3) / (40)

Type that into a calculator to get a decimal value over 1.
m = 0.075 inches per 1 year. 
Or... 

m = 0.075in / 1 year
8 0
3 years ago
Round 1.4 to the nearest whole number
rodikova [14]

Answer:

2

Step-by-step explanation:


6 0
3 years ago
Read 2 more answers
Hey! I hope everyone is doing great so far :) i'll appreciate some help, ty!
ioda
0.2 (y+2) = 0.2y + 0.2(2)
= 0.2y + 0.4
4 0
3 years ago
Read 2 more answers
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