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3 years ago

Which number should each side of the equation 2/3x=10 be multiplied by to produce the equivalent equation of x = 15?

Mathematics

1 answer:

skelet666 [1.2K]3 years ago

7 0

$\dfrac23x=10$
$\dfrac32\times\dfrac23x=\dfrac32\times10$
$x=\dfrac{30}2=15$

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GaryK [48]

Hello There!

Great Question!

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2 years ago

PLEASE HELP NEED THIS TO PASS

yaroslaw [1]

The solutions to f(x) = 64 is x = 7 and x = –7.

Solution:

Given data:

$$f(x)=x^{2}+15$ – – – – (1)

$f(x)=64$ – – – – (2)

To find the solutions to f(x) = 64.

Equate equation (1) and (2), we get

$x^2+15=64$

Subtract 15 from both sides of the equation.

$x^2+15-15=64-15$

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$x^2=7^2$

Taking square root on both sides of the equation, we get

x = ±7

The solutions to f(x) = 64 is x = 7 and x = –7.

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3 years ago

Item 1 A bag contains 7 blue cards, 4 green cards, 6 red cards, and 8 yellow cards. You randomly choose a card. a. How many poss

egoroff_w [7]

Answer:

4 possible outcomes

Step-by-step explanation:

we know that

The probability of an event is the ratio of the size of the event space to the size of the sample space.

The size of the sample space is the total number of possible outcomes

The event space is the number of outcomes in the event you are interested in.

Let

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y-----> size of the sample space

$P=\frac{x}{y}$

In this problem

The probability of choose a blue card is

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substitute

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The probability of choose a green card is

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substitute

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The probability of choose a red card is

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substitute

$P=\frac{6}{25}$

The probability of choose a yellow card is

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substitute

$P=\frac{8}{25}$

The sum of the probabilities of the 4 possible outcomes is equal to

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