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4 years ago

Math Prodigy- I know the answer, just trying to get an even number of points.

Mathematics

2 answers:

horrorfan [7]4 years ago

5 0

There are seven groups of stars and 49 stars in total. 49/7=7 7 stars per group is the answer

Vitek1552 [10]4 years ago

5 0

Answer:

7x7=49

Step-by-step explanation:

there is 7 groups of 7, so you multiply it to get 49

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A coin is tossed 10 times and lands tails up 3 times. What is the experimental probability of the coin landing tails up?

Degger [83]

It's 3/10 since we did it 10 times and it landed tails 3 times

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3 years ago

Which best illustrates the distinction between statistical significance and practical importance

ankoles [38]

Answer:

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Step-by-step explanation:

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3 years ago

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4 years ago

Read 2 more answers

Determine which lines, if any, are parallel or perpendicular. Explain.

Orlov [11]

Answer:

line a and b are parallel, there is no perpendicular lines

Step-by-step explanation:

Looking at the slope of each line, you can identify whether the lines are parallel, perpendicularlar, or neither.

When the slopes are the same, they are parallel.

When the slopes have opposite sign and numerator and denominator flipped, they are perpendicular. Ex. $\frac{a}{b}$ and $-\frac{b}{a}$ are perpendicular slopes.

Finding slope is using the formula: $\frac{y_{2}-y_{1} }{x_{2} -x_{1} }$

Line a has slope $\frac{3-4}{4-0}$ = $-\frac{1}{4}$

Line b also has slope $-\frac{1}{4}$

Line c has slope 2

Since slope of line a and b are same, they are parallel.

Line c is not perpendicular to line a and b because the slope should have opposite sign and numerator and denominator flipped, which is 4 not 2.

4 0

3 years ago

Integrate the following. ∫<img src="https://tex.z-dn.net/?f=84dx" id="TexFormula1" title="84dx" alt="84dx" align="absmiddle" cla

bogdanovich [222]

Answer:

$\displaystyle \int {84} \, dx = 84x + C$

General Formulas and Concepts:

Calculus

Integration

Integrals
Definite/Indefinite Integrals
Integration Constant C

Integration Rule [Reverse Power Rule]: $\displaystyle \int {x^n} \, dx = \frac{x^{n + 1}}{n + 1} + C$

Integration Property [Multiplied Constant]: $\displaystyle \int {cf(x)} \, dx = c \int {f(x)} \, dx$

Step-by-step explanation:

Step 1: Define

Identify

$\displaystyle \int {84} \, dx$

Step 2: Integrate

[Integral] Rewrite [Integration Property - Multiplied Constant]: $\displaystyle \int {84} \, dx = 84\int {} \, dx$
[Integral] Reverse Power Rule: $\displaystyle \int {84} \, dx = 84x + C$

Topic: AP Calculus AB/BC (Calculus I/I + II)

Unit: Integrations

4 0

3 years ago