Alyssa has 8 times more dolls thsn Haley. They have 1,791 dolls in all. How many more dolls does Alyssa have than Haley?

2 answers:

8 0

The equation would be 8x+x=1791. You add like terms (8x+x)= 9x so it would be 9x=1791.

Then, you divide both sides by 9 to get the x by itself, so now it is x=199. That is the number of dolls Haley has. To get the number of dolls Alyssa has, multiply Haley's dolls by 8, making Alyssa have 1592 dolls.

To get the number of dolls Alyssa has more than Haley, subtract 199 from 1592, you will get 1393. That is your final answer!

Hope this helped!!

Arlecino [84]3 years ago

4 0

14,328 hope this helps :)

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Answer:

Step-by-step explanation:

The right triangle on the right side of the figure has a height of 6 (two same sides lengths) and a base of 3.

x is the hypotenuse (side opposite of 90 degree angle).

We can use the pythagorean theorem to find x. The pythagorean theorem tells us to square each leg (height and base) of the triangle and add it. It should be equal to the hypotenuse square.

For this triangle it means, we square 6 and 3 and add it. It should be equal to x squared. Then we can solve. Shown below:

$6^2 + 3^2 = x^2\\36 + 9 = x^2\\45 = x^2\\x=\sqrt{45}$