3 years ago

PLEASE HELP !!!! ILL GIVE BRAINLIEST !!!

Mathematics

1 answer:

valentinak56 [21]3 years ago

8 0

They are congruent.
you use 12x-18 = 8x+10 to solve for x

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Help me plz I need it I'm very desperate help

Klio2033 [76]

Answer:

1/45

Step-by-step explanation:

There are 10 marbles

P ( yellow) = yellow marbles / total = 2/10 = 1/5

We do not replace the marble

There are 9 marbles, 1 of which is yellow

P ( yellow) = yellow marbles / total = 1/9

P ( yellow, no replacement, yellow) = 1/5 * 1/9 = 1/45

8 0

3 years ago

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Rock-music sales represented 24.8% of the total music sales in 2000. By 2007, rock-music sales represented 32.4% of the total mu

baherus [9]

Answer:

Unit Rate of Change = 1.27%

Step-by-step explanation:

In 2000, t=1 and Total Music sales = 24.8%

In 2007, t=7 and Total Music sales = 32.4%

The Slope $m=\dfrac{32.4-24.8}{7-1} =\dfrac{7.6}{6}=1.27\%$

The Unit Rate of Change is 1.27% and it means that the Total Music Sales Increased by approximately 1.27% every year.

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3 years ago

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Whats -4 (x - 5) = 40

Stels [109]

Answer:

x=-5

Step-by-step explanation:

-4(x-5)=40

-4x+20=40

-4x=40-20

x=20/-4

x=-5

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3 years ago

Find the vertex, focus, directrix, and focal width of the parabola.<br> x = 4y2

Anuta_ua [19.1K]

I Hope this helps you

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3 years ago

Is the decimal for 4 over 3 a repeating decimal ? expain

Alenkasestr [34]

Yes, the decimal form of $\frac{4}{3}$ is indeed a repeating decimal. The expression is equivalent to $1 \frac{1}{3}$ , which is also 1.3333333 or "1.3 bar", signifying that the 3 will repeat infinitely.

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3 years ago

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