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2 years ago

50Points Plato Help!!

Mathematics

2 answers:

scZoUnD [109]2 years ago

8 0

Answer:

T(x) calculates the number of teams and F(x) calculates the entry fees.

To find the total entry fee, you would add the entry fee for each team together, so you need to add T(x) and F(x) together.

The answer would be C. R(x) = 9x +69

lukranit [14]2 years ago

7 0

T(x) calculates the number of teams and F(x) calculates the entry fees.

To find the total entry fee, you would add the entry fee for each team together, so you need to add T(x) and F(x) together.

The answer would be C. R(x) = 9x +69

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At a grocery store, the price of milk decreased from $2.98 to $2.32. What is the percent of decrease, round to the nearest whole

mr Goodwill [35]

2.98=100%
2.32/2.98 = 0.78
0.78*100=78%
The percent of decrease was 22%.

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3 years ago

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What is the area of the bottle cap?

Marat540 [252]

Answer:

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Step-by-step explanation:

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2 years ago

Automobile mechanics conduct diagnostic tests on 150 new cars of a particular make and model to determine the extent to which th

Aleks04 [339]

Answer:

99% Confidence interval: (0.185,0.375)

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 150

Number of cars that have faulty catalytic converters, x = 42

$\hat{p} = \dfrac{x}{n} = \dfrac{42}{150} = 0.28$

99% Confidence interval:

$\hat{p}\pm z_{stat}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}$

$z_{critical}\text{ at}~\alpha_{0.01} = \pm 2.58$

Putting the values, we get:

$0.28\pm 2.58(\sqrt{\frac{0.28(1-0.28)}{150}}) = 0.28\pm 0.095\\\\=(0.185,0.375)$

The 99% confidence interval for the true proportion of new cars with faulty catalytic converters is (0.185,0.375)

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2 years ago

Need help on 7-119 please

Ostrovityanka [42]

Answer:

segment a would be 2.5, b would be 2.5, and c would be 3.5 i believe

Step-by-step explanation:

to get a midpoint, you measure the distance between the two endpoints, then divide that answer by 2.

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2 years ago

distance race is 42 kilometers . Kylie has completed 16 distance races . How many kilometers has she run? Show your work.

wel

Answer:

Kylie has ran 672 kilometers

Step-by-step explanation:

16 x 42 = 672

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2 years ago