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Mice21 [21]
2 years ago
7

Tim is 35 years old. He is 7 years younger than 6 times his daughter's age. The equation,

Mathematics
2 answers:
nadya68 [22]2 years ago
7 0

6x-7≈35

or,6x=35+7

or,6x≈42

or,x=42÷6

x≈7

Oksana_A [137]2 years ago
6 0

Answer:

A. 7 years old

Step-by-step explanation:

6x-7=35 is the equation.

Add 7 to both sides, which gives you 6x=42.

Then both sides by 6, so 6/6=x and 42/6=7

So, x=7.

Since x is his daughter's age, x=7, so his daughter is 7.

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There are 12 counters in a bag.
astraxan [27]

Answer:

number of green counters

=12-3+1+2

=6

number of green and yellow counters

=6+2

=8

probability of getting green or yellow counter

=8/12

=2/3

Step-by-step explanation:

5 0
2 years ago
A submarine on the surface of the ocean descended at a rate of 7 feet per second for 2 minutes. Then it ascended at a rate of 4
kotykmax [81]

Answer:

4,260 feet below sea level (-4,260 feet)

Step-by-step explanation:

The submarine starts at sea level which should be 0 for elevation. And descending 7 feet per second for 2 minutes which means it went down 840 feet ( 7x60x2). Then 4 feet per second for 3 minutes which is 720 feet (4x60x3). Lastly 9 feet per second for 5 minutes which is 2,700 feet (9x60x5). Then you add up those three totals, 840 + 720 + 2,700 = 4,260. So the elevation is -4,260 feet, or 4,260 feet below sea level

8 0
2 years ago
Read 2 more answers
Find the product. Simplify your answer.
statuscvo [17]

Answer:

1/5

Step-by-step explanation:

Factor x² - 5x - 6

x² - 5x - 6 = (x + 1)(x - 6)

\frac{x-6}{(x+1)(x-6)}

Cancel the common factor.

\frac{1}{x+1}

\frac{1}{x+1} · \frac{x+1}{5}

\frac{1*(x+1)}{5*(x+1)}

Cancel the common factor.

1/5

7 0
3 years ago
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Simplify the expression. Write answer without spaces between terms and signs.
dsp73

Answer:

4h-7

Step-by-step explanation:

Step by Step Solution

STEP1:Equation at the end of step 1 (1 - 2h) + 2 • (3h - 4) STEP2:

Final result :

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4 0
3 years ago
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The scheduled arrival time for a daily flight from Boston to New York is 9:35 am. Historical data show that the arrival time fol
Lady_Fox [76]

Answer:

The mean is 11.5 minutes and the standard deviation is of 6.64 minutes

Step-by-step explanation:

An uniform probability is a case of probability in which each outcome is equally as likely.

For this situation, we have a lower limit of the distribution that we call a and an upper limit that we call b.

The mean is:

M = \frac{a+b}{2}

The standard deviation is:

S = \sqrt{\frac{(b-a)^{2}}{12}}

Arrival time of 9:18 am and a late arrival time of 9:41 am.

9:41 is 23 minutes from 9:18. So the time is uniformily distributed between 0 and 23 minutes, so a = 0, b = 23.

Mean:

M = \frac{a+b}{2} = \frac{0+23}{2} = 11.5

Standard deviation:

S = \sqrt{\frac{(b-a)^{2}}{12}} = \sqrt{\frac{(23 - 0)^{2}}{12}} = 6.64

The mean is 11.5 minutes and the standard deviation is of 6.64 minutes

8 0
3 years ago
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