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erma4kov [3.2K]
2 years ago
11

When Emily arrived home from school, she spent 8 minutes eating a snack. Then, she spent 15 minutes playing

Mathematics
1 answer:
OleMash [197]2 years ago
6 0

Answer:

8+15+32+45= 100 minutes, or an hour and 40 minutes

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Which fraction is graphed ?
lesya692 [45]

Answer: B is the correct choice

Step-by-step explanation:

The values are essentially the same. You need to recognize how the symbols in the expressions match up with the symbols on the graph.

The open circle on the right end of the parabola means the function is less than (not including) 2 so <2 for that part.

The solid circle at the left of the line means f(x) includes all the values to the right are greater than or equal to 2 so ≥2 for that part.

4 0
2 years ago
Pls help i am on a timer
stich3 [128]

Answer:

x = 1 + \sqrt{2} \ \ or \ 1- \sqrt{2}

Step-by-step explanation:

Given;

x² - 2x - 1 = 0

Solve by completing the square method;

⇒ take the constant to the right hand side of the equation.

x² - 2x = 1

⇒ take half of coefficient of x = ¹/₂ x -2 = -1

⇒ square half of coefficient of x and add it to the both sides of the equation

x^2 +  (-1)^2 = 1 + (-1)^2

(x-1)^2 = 1 + 1\\\\(x-1)^2 = 2\\\\

⇒ take the square root of both sides;

x-1 = +/- \ \ \sqrt{2} \\\\x = 1 + \sqrt{2} \ \ or \ 1- \sqrt{2}

Therefore, option B is the right solution.

3 0
2 years ago
6. The dimensions of a rectangular garden are 380ft x 250ft. If you want to walk around this garden to make 3 miles for a mornin
SSSSS [86.1K]

Answer:

Step-by-step explanation:

L=3(5280)/(2(380+250))

L=15840/1260

L=12.57

So to walk three miles one must walk around the garden 12.57 times.

7 0
2 years ago
Help asap plzzzzzzzzzz​
serg [7]
Based on what I know it’s B because the others have exponents and linear functions don’t have exponents
8 0
2 years ago
74 m<br> A<br> 70 m<br> b<br> What is the length of the missing leg?<br> b =<br> meters<br> Submit
igor_vitrenko [27]
I’m a little confused by the question and the problem, is there a picture of the problem you could add?
5 0
2 years ago
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