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3 years ago

6

You brake your car from a speed of 55 mph, and in doing so, your car's speed decreases by 10 mph every second. The table shows b

raking data that represent your car's speed versus the amount of time elapsed from the moment that you applied the brake.

2 answers:

kykrilka [37]3 years ago

8 0

Answer:

a

Step-by-step explanation:

pshichka [43]3 years ago

4 0

Answer:

A

Step-by-step explanation:

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4 years ago

A 10 ft slide will be installed on a playground. The top of the slide will be 8 ft above the ground.

SSSSS [86.1K]

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2 years ago

Write the product using exponents

HACTEHA [7]

The product of the expression $\frac{2}{3} *\frac{2}{3}*\frac{2}{3}*\frac{2}{3}$ is $(\frac{2}{3})^{4}$ or $\frac{16}{81}$ .

<h3>What are exponents and powers?</h3>

Power can be defined as an expression that represents repeated multiplication of the same number whereas exponent is the quantity that represents the power to which the number is raised.

Given expression is : $\frac{2}{3} *\frac{2}{3}*\frac{2}{3}*\frac{2}{3}$

= $\frac{2^{4}}{3^{4}}$

= $(\frac{2}{3})^{4}$ [ $\frac{a^{4}}{b^{4}} = (\frac{a}{b} )^{4}$ ]

= $\frac{16}{81}$

Hence, $\frac{2}{3} *\frac{2}{3}*\frac{2}{3}*\frac{2}{3}$ = $(\frac{2}{3})^{4}$

Learn more about exponents and powers here:

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2 years ago

Eric orders 3 large cheese pizzas. There is a $2 delivery fee for each pizza. He pays a total of $42. Which equation can be used

Llana [10]

we have that he paid 4 dollars due the delivery. So each pizza costs

$\frac{38}{2}=19$

so the equation to find the price r is

$r=\frac{42-4}{2}$

4 0

1 year ago

Fill in the blank. For data sets having a distribution that is approximately bell-shaped, _______ states that about 68% of all

Harlamova29_29 [7]

Answer:

Empirical Rule

Step-by-step explanation:

The Empirical Rule is also known as the Sigma rule or the 68-95-99.7% rule. The rule state that for a given data set, 68% of all data values will fall within the first standard deviation from the mean. The rule also states that 95% of all data values would fall within two standard deviations, while almost all the data which amounts to about 99.7% will fall within three standard deviations.

The empirical rule is used in forecasting based on the given datasets because it is a certainty that after obtaining the standard deviation, data values can be assigned to the categories they fall into, under the Empirical rule.

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4 years ago