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3 years ago

11

mallory and meg attend the physics day for their school. their favorite rides were splash mountain and the centrifugal chamber.

here are their stamped tickets at the end of the day. find the cost of each ride

1 answer:

Kruka [31]3 years ago

8 0

Answer:

Splash Mountain = $7.25

Centrifugal Chamber= $5.25

Step-by-step explanation:

Click On Link For Work

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Divide 6 in ratio 1:2

melamori03 [73]

Answer: 2:4

Step-by-step explanation:

1+2=3

6/3= 2

1:2 = 2:4

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2 years ago

Describing How to Format Tables Using Table and Border Styles

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Answer:

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Step-by-step explanation:

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3 years ago

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Simplify the fraction and state the excluded value(s).

stira [4]

Answer:

$\displaystyle \frac{7x^2 + 4x - 20}{5x + 10} = \frac{7x - 10}{5}, x \neq -2$

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

<u>Algebra I</u>

Terms/Coefficients

Factoring

<u>Calculus</u>

Discontinuities

Removable (Holes)
Jump (Piece-wise functions)
Infinite (Asymptotes)

Step-by-step explanation:

<u>Step 1: Define</u>

<u /> $\displaystyle \frac{7x^2 + 4x - 20}{5x + 10}$ <u />

<u />

<u>Step 2: Simplify</u>

[Frac - Numerator] Factor quadratic: $\displaystyle \frac{(7x - 10)(x + 2)}{5x + 10}$
[Frac - Denominator] Factor GCF: $\displaystyle \frac{(7x - 10)(x + 2)}{5(x + 2)}$
[Frac] Divide/Simplify: $\displaystyle \frac{(7x - 10)}{5}, x \neq -2$

When we divide (x + 2), we would have a <em>removable</em> <em>discontinuity</em>. If we were to graph the original function, we would see at x = -2 there would be a hole in the graph.

8 0

3 years ago

25 PTS <br> PLEASE HELP !!!

SIZIF [17.4K]

Answer: 1 5/7

Step-by-step explanation:

First lets simplify 2/5x1/4,

-> 8/20x5/20

-> 40/20

-> 4/2

Now lets calculate:

42÷−7−6=?

In the second fraction, the negative numerator and negative denominator cancel each other.

The equivalent equation is

42÷76=?

Dividing two fractions is the same as multiplying the first fraction by the reciprocal (inverse) of the second fraction.

Take the reciprocal of the second fraction by flipping the numerator and denominator and changing the operation to multiplication. Then the equation becomes

42×67=?

For fraction multiplication, multiply the numerators and then multiply the denominators to get

4×62×7=2414

This fraction can be reduced by dividing both the numerator and denominator by the Greatest Common Factor of 24 and 14 using

GCF(24,14) = 2

24÷214÷2=127

The fraction

127

is the same as

12÷7

Convert to a mixed number using

long division for 12 ÷ 7 = 1R5, so

127=157

Therefore:

42÷−7−6=157

Solution by Formulas

Apply the fractions formula for division, to

42÷−7−6

and solve

4×−62×−7

=−24−14

A negative over a negative becomes positive

=2414

Reduce by dividing both the numerator and denominator by the Greatest Common Factor GCF(24,14) = 2

24÷214÷2=127

Convert to a mixed number using

long division for 12 ÷ 7 = 1R5, so

127=157

Therefore:

42÷−7−6=1 5/7

(Sorry for the 157s I meant 1 5/7)

5 0

3 years ago

Read 2 more answers

I need help with this equation

poizon [28]

First, you subtract 15 on each side:
2/3x=17-15
then, you simplify:
2/3x=2
multiply by 3
2x=6
divide by 2
x=3

8 0

3 years ago