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icang [17]
3 years ago
13

Please help.........

Mathematics
1 answer:
natita [175]3 years ago
7 0

Answer:

the answer is infinite numbers of solutions

Step-by-step explanation:

First yellow

second purple

third blue

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Taylor opened a savings account with $425. After 2 years, the total interest earned was $10.20. What was the annual interest rat
storchak [24]

Answer:

R = 1.2%

Step-by-step explanation:

<u>Given the following data;</u>

Principal = 425

Time = 2

Simple interest = 10.20

To find the annual interest rate;

Mathematically, simple interest is calculated using this formula;

S.I = \frac {PRT}{100}

Where;

  • S.I is simple interest.
  • P is the principal.
  • R is the interest rate.
  • T is the time.

Substituting into the equation, we have;

10.20 = \frac {425*R*2}{100}

10.20 = \frac {850R}{100}

Cross-multiplying, we have;

1020 = 850R

R = \frac {1020}{850}

<em>R = 1.2%</em>

<em>Therefore, the annual interest rate is 1.2 percent. </em>

6 0
2 years ago
I need help. Of the make sense of the problem section. Please
uranmaximum [27]

the basket balls height when bounced can vary. depending on the strength of ball being thrown to the ground can make the ball bounce even higher. So for an example, if you applied full force from a average weighted male adult. The basket ball will bounce a decent height. But, of course will for sure not be as high as to the first bounce.

hope this helps

5 0
2 years ago
How many bases does a triangular pyramid have?
MAVERICK [17]
1 base. The triangular pyramid has 1 base, and that is the square at the bottom. Hope this helps.
5 0
3 years ago
The manufacturer of the ColorSmart-5000 television set claims 95 percent of its sets last at least five years without needing a
patriot [66]

Answer:

Step-by-step explanation:

Hello!

Your study variable is X: "number of ColorSmart-5000 that didn't need repairs after 5 years of use, in a sample of 390"

X~Bi (n;ρ)

ρ: population proportion of ColorSmart-5000 that didn't need repairs after 5 years of use. ρ = 0.95

n= 390

x= 303

sample proportion ^ρ: x/n = 303/390 = 0.776 ≅ 0.78

Applying the Central Limit Theorem you approximate the distribution of the sample proportion to normal to obtain the statistic to use.

You are asked to estimate the population proportion of televisions that didn't require repairs with a confidence interval, the formula is:

^ρ±Z_{1-\alpha /2}* √[(^ρ(1-^ρ))/n]

Z_{1-\alpha /2} = Z_{0.995} = 2.58

0.78±2.58* √[(0.78(1-0.78))/390]

0.0541

[0.726;0.834]

With a confidence level of 99% you'd expect that the interval [0.726;0.834] contains the true value of the proportion of ColorSmart-5000 that didn't need repairs after 5 years of use.

I hope it helps!

7 0
3 years ago
what is the correct upper and lower control limits for 8.42 pounds and the accectable range for plus or minus .65 pounds
sweet [91]

Answer:

9.07 and 7.77 respectively.

Step-by-step explanation:

To determine the upper control limit, add 0.65 lb to 8.42 lb, obtaining 9.07 lb.

To determine the lower one, subtract 0.65 lb from 8.42 lb, obtaining 7.77 lb.

7 0
3 years ago
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