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Elan Coil [88]
2 years ago
11

2. Mr. Walters starts preparing breakfast at

Mathematics
2 answers:
alexdok [17]2 years ago
8 0
Answer: 55 minutes

Explanation:

Round 6:45 to 6:50.
From 6:50 it takes 1 hour/60 minutes to become 7:50.
Then subtract the 5 minutes we added when we rounded up to 6:50.
60-5=55 minutes
castortr0y [4]2 years ago
4 0
65 minutes

Between 6:45 and 7:00, there are 15 minutes.

Between 7:00 and 7:50, there are 50 minutes.

15 minutes + 50 minutes = 65 minutes or an hour and 5 minutes
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3 years ago
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Factor this polynomial. -3x^2 - 16x - 5 A. (3x + 1) (x - 5) B. (3x - 1) (x - 5) C. -1 (3x + 1) (x + 5) D. (-3x + 1) (x + 5)
Mrac [35]

Answer:

-(x + 5)(3x + 1)

Step-by-step explanation:

Step 1: Factor out negative

-1(3x² + 16x + 5)

Step 2: Factor quadratic

-(x + 5)(3x + 1)

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3 years ago
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If a and b are two distinct rational numbers, then which of the following statements is true?
n200080 [17]

Answer:

Both are rational.

Step-by-step explanation:

As a rational number can be written in the form p/q where p,q are co-prime integers, let a=p1/q1 b=p2/q2.

And we know the product of two integers is an integer

p1q2, p2q1 are integers. And the sum or difference of two integers is rational, rather being specific, it is an integer.

Thus a+b and a-b is rational.

6 0
3 years ago
About how far does the S wave travel through Earth in 13 minutes?
bija089 [108]

Answer:

C. 6,000 km

Step-by-step explanation:

v = speed at S-wave travel through the earth = 8 km/sec

t = time of travel for the S-wave through the earth = 13 minutes = 13 x 60 seconds = 780 seconds                     (Since 1 minute = 60 seconds)

d = distance traveled by S-wave in the given time interval

Distance traveled by S-wave in the given time interval is given as

d = v t

inserting the above values in the formula

d = (8 km/sec) (780 sec)

d = 6240 km

the closest choice is 6000 km at option C

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3 years ago
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Oksanka [162]

Answer:

The correct option is;

The function will intersect at x = -2 and x = 1

Step-by-step explanation:

The question parameters are

The functions in the question are f(x) and g(x)

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Given that the equations, f(x) and g(x), are both given in values of x, their solution will be the x values that satisfies both functions

Therefore, the functions will intersect (have the same values of f(x) and g(x)) at the points of the solutions, which are given as x = -2, and x = 1

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