3 years ago

Please help asap!! Answer this using a graphing method please!

Mathematics

1 answer:

Zepler [3.9K]3 years ago

3 0

Answer:

the connection is at 4 on x axis and 5 on y axis, so the solutions are x=4; y=5

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If 2/3 of a certain number is subtracted from twice the number, the result is 20. Find the number.

sleet_krkn [62]

Let x be the number.

Set up an equation:

2x - 2/3x = 20

Simplify:

1 1/3x = 20

Divide both sides by 1 1/3

X = 15

The number is 15

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3 years ago

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How many days will it take the spider to climb out of the water spout?

Lera25 [3.4K]

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3 years ago

What is the value of x?<br> Please show the steps

nordsb [41]

Let D be the endpoint of the angle bisector opposite A on lying on side BC. The angle bisector theorem states that the ratio of BD to CD is equal to the ratio of AB to AC. In this case, you have

$\dfrac{2x-1}{3x}=\dfrac9{15}$

(This is the same equation that you have, it's just rearranged.)

Multiply both sides by $3x$ and 15.

$15\times3x\times\dfrac{2x-1}{3x}=15\times3x\times\dfrac9{15}$
$15(2x-1)=3x\times9$

Now you can solve for $x$ .

$30x-15=27x$
$3x=15$
$x=5$