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2 months ago

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Katrina saved $200 to purchase her tablet. her father spent 10 times as much money time buy his new computer. how much did her f

ather's computer cost?

2 answers:

PIT_PIT [12.4K]2 months ago

8 0

He invested $2,000 on his computer

PIT_PIT [12.4K]2 months ago

6 0

$2000 is the amount he spent

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Javier read a report that said the probability that a randomly selected American is left-handed is 14\%14%14, percent. He was cu

Svet_ta [12734]

= 0.1165 Step-by-step explanation: In statistics, the binomial distribution involves two possible outcomes. With ''n'' representing the number of trials in an experiment, these tables can be utilized to find the probability of achieving a specific number of successes within the experiment. P=14% = 0.14, n=30. Here, binomial distribution cumulative tables are applied. Thus, P(More than 7) = P(x > 7) = 1 - P(x < 7) = 1 - P(x ≤ 6) = 1 - 0.8835 = 0.1165.

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2 months ago

Read 2 more answers

Find the rate of change for the situation. A chef cooks 9 lbs of chicken for 36 people and 17 lbs of chicken for 68 people. 36 p

babunello [11817]

Response:

C. Each person receives 1/4 lb of chicken

Step-by-step analysis:

Determine the rate of chicken per person.

A chef prepares 9 lbs of chicken for 36 individuals and 17 lbs for 68 individuals.

A. 9/17 lb per individual

B. 4 lb per individual

C. 1/4 lb per individual

D. 36 individuals

Calculation:

9 lbs for 36 individuals

Chicken per individual = Total chicken / Total number of individuals

= 9 lbs / 36 individuals

Chicken per individual = 1/4 lb of chicken

17 lbs for 68 individuals

Chicken per individual = Total chicken / Total number of individuals

= 17 lbs / 68 individuals

= 1/4 lb each

Consequently, the rate of chicken per individual = 1/4 lb of chicken.

6 0

2 months ago

Laurence, the stadium manager, spends $22,000 on a broadcast TV ad, $30,000 on a cable TV ad, and $6,000 on a radio ad. What per

Zina [12379]

38 % of the total budget goes to advertising on broadcast TV

Solution:

Based on the details,

Expenditure for broadcast TV advertising = $ 22, 000

Expenditure for cable TV advertising = $ 30, 000

Expenditure for radio advertising = $ 6000

Need to determine: the proportion of broadcast TV advertising

Total expenditure = $ 22, 000 + $ 30, 000 + $ 6000

Total expenditure = $ 58000

proportion of broadcast TV advertising = $\frac{\text{ amount spend on broadcast tv}}{\text{ total amount}} \times 100$

$\rightarrow \frac{22000}{58000} \times 100\\\\\rightarrow 0.3793 \times 100 = 37.93 \approx 38$

Hence 38 % of the total budget is allocated to broadcast TV advertising

7 0

2 months ago

Yolanda invests $30,000 in an account that offers a compound interest rate of 7.9% per year. Which of the following is the corre

Zina [12379]

To find the solution, we will utilize the compound interest formula: $A=P(1+ \frac{r}{n} )^{nt}$
where
$A$ represents the total amount after $t$ years
tex]P[/tex] indicates the original investment
$r$ signifies the interest rate expressed in decimal
$n$ shows the frequency of compounding per year
$t$ indicates the duration in years

According to our problem, the initial investment is <span>$30,000 with a duration of ten years, thus </span> $P=30000$ and $t=10$ . Interest is compounded annually, so $n=1$ . To convert the percentage interest rate into decimal, we divide it by 100%
$r= \frac{7.9}{100}$
$r=0.079$
Now, we can insert these values into our formula:
$A=P(1+ \frac{r}{n} )^{nt}$
$A=30000(1+ \frac{0.079}{1} )^{(1)(10)}$
$A=3000(1+0.079)^{10}$
Substituting $A$ with $P_{10}$ :
$P_{10}=3000(1+0.079)^{10}$

Consequently, we find that the correct answer is D. $P_{10}=3000(1+0.079)^{10}$

Finally, to determine <span>the total amount Yolanda will have after ten years, we just need to carry out the operations in our equation:
</span> $P_{10}=3000(1+0.079)^{10}$
$P_{10}=30000(1.079)^{10}$
$P_{10}=64170.54$

Thus, we conclude that Yolanda will end up with $64,170.54 in her account after a decade of earning <span>at a compound interest rate of 7.9% yearly.</span>

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3 months ago

He dot plots show the number of hours a group of fifth graders and seventh graders spent playing outdoors over a one-week period

babunello [11817]

In the seventh-grade data, the left side appears similar to the right side, unlike in the fifth-grade data. In seventh grade, we can divide the dots into two equal segments, one ranging from 0 to 3 and the other from 4 to 7. The distribution in the first segment is {2, 2, 3, 5}, while the second segment has {5, 3, 3, 1}. These sides mirror each other. When attempting a comparable division in the fifth-grade data, we find one segment from 1 to 4 with a distribution of {2, 3, 1, 4}, and another from 5 to 8 with a distribution of {5, 5, 2, 2}. In this case, the left side does not reflect the right side, indicating a lack of symmetry.

7 0

1 month ago