3 years ago

How many solutions does the equation 4x+2(x+5) = ( 2x-4) have?

Mathematics

1 answer:

aliina [53]3 years ago

4 0

Answer:

Step-by-step explanation:

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The area ratio of two similar soilds is 169:289 if the volume of the smaller solid is 689,858 cm what is the volume of the large

Rus_ich [418]

Answer: $1,542,682\ cm^3$

Step-by-step explanation:

Given

The ratio of two similar figures is 169:289

Suppose, their length ratio is x:y

$\therefore \dfrac{x^2}{y^2}=\dfrac{169}{289}\\\\\Rightarrow \dfrac{x}{y}=\dfrac{13}{17}$

Similarly, cube of the ratio is equal to the volume ratio

$\Rightarrow \left(\dfrac{13}{17}\right)^3=\dfrac{689,858}{V}\\\\\Rightarrow V=689,858\times \dfrac{17^3}{13^3}\\\\\Rightarrow V=314\times 17^3\\\\\Rightarrow V=1,542,682\ cm^3$

Thus, the volume of the larger solid is $1,542,682\ cm^3$

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2 years ago

From his house, Tom rides his bike 5 kilometers east to the store. He then rides his bike 2 kilometers west to his friends house

mario62 [17]

Answer:

3 km

Step-by-step explanation:

He starts by going 5 km east, then he turns around and goes 2 km west. So he is now 3 km from his house.

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2 years ago

Choose all of the values for x that are solutions to x < -2.

OverLord2011 [107]

I think the answer is E

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3 years ago

PLEASE HELP ME.<br>find the equation of a trend line

lidiya [134]

Answer:

y=1.87x+3.66

Step-by-step explanation:

if you use a TI calculator, you can put the dots in a chart to figure this out.

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2 years ago

Determine how many cards, in an ordinary deck of fifty-two, fit the description. 4's and 5's

Rudiy27

Since there are four suits, with each having a 4 and 5, we have 2+2+2+2=2*4=8

8 0

3 years ago