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UkoKoshka [18]
2 years ago
6

Ten cards are numbered 1 through 10, and one card is chosen at random. What is the probability that one card has a number greate

r than or equal to 4?
Mathematics
1 answer:
Mashutka [201]2 years ago
3 0

Answer:

7/10

Step-by-step explanation:

4,5,6,7,8,9,10

7 numbers counting four so 7/10

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Brendan bought an iced tea that cost $4.06 plus 7% sales tax. If Brendan left an 18% tip on the $4.06, how much in total did he
ahrayia [7]

Answer:

Step-by-step explanation:

18% tip in $=18/100 * $4.06

$0.7308

7% sales tax in $= 7/100 * $4.06

$0.2842

Total amount he paid= $0.7308+$0.2842+$4.06

$5.07500

6 0
2 years ago
Read 2 more answers
. Mrs. Rojas deposited $8000 into an account paying 4% interest annually. After 8 months Mrs. Rojas withdrew the $6000 plus inte
Mashcka [7]

well, keeping in mind that a year has 12 months, that means that 8 months is 8/12 of a year, when Mrs Rojas pull her money out.

~~~~~~ \textit{Simple Interest Earned Amount} \\\\ A=P(1+rt)\qquad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill & \$6000\\ r=rate\to 4\%\to \frac{4}{100}\dotfill &0.04\\ t=years\to \frac{8}{12}\dotfill &\frac{2}{3} \end{cases} \\\\\\ A=6000[1+(0.04)(\frac{2}{3})]\implies A=6000\left( \frac{77}{75} \right)\implies A=6160

well, she put in 6000 bucks, got back 160 extra, that's the interest earned in the 8 months.

what if she had left her money for 1 whole year, then

~~~~~~ \textit{Simple Interest Earned Amount} \\\\ A=P(1+rt)\qquad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill & \$6000\\ r=rate\to 4\%\to \frac{4}{100}\dotfill &0.04\\ t=years\dotfill &1 \end{cases} \\\\\\ A=6000[1+(0.04)(1)]\implies A=6240

so had she left it in for a year, she'd have gotten 6240, namely 240 in interest, well, what fraction of a year's interest was earned? or worded differently, what fraction is 160(8 months) of 240(1 year)?

\cfrac{\stackrel{\textit{for 8 months}}{160}}{\underset{\textit{for 12 months}}{240}}\implies \cfrac{2}{3}

4 0
2 years ago
Simplify.<br><br> (-5.12) - (-4.7) + (7.021)<br><br> 6.79<br> 6.601<br> -2.799
liq [111]
The answer is 6.601, and therefore, the second option.
8 0
3 years ago
Read 2 more answers
What is the five-number summary for this data set?
Natali [406]

Answer:

B

Step-by-step explanation:

4 0
3 years ago
jorge jogged the trail to the waterfall at 120 yard/min and walked back at 80 yards/min if the entire trip took 2 hours, how lon
olya-2409 [2.1K]
The answer is 1.3 miles
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3 years ago
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