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3 years ago

6

Rosa claims the longest string of prime factors for 30 is 2x3x5. Tyee claims there is a longer string, 1x2x1x3x1x5. Who is corre

ct why?

1 answer:

anyanavicka [17]3 years ago

5 0

Rosa is correct, as 1 is not considered a prime no.

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Raul’s grandfather is Miguel, and Raul’s sister is Paula. Raul’s age is the same as his grandfather’s age minus 60 times the age

Lostsunrise [7]

Answer: The answer is x = 65 - 60y.

Step-by-step explanation: Given that Miguel is the grandfather of Raul and Paula is Raul's sister.

Now, let 'x' years be the age of Raul and 'y' years be the age of Raul's sister (Paula).

Also, given is the following information -

Raul's age = Grandfather's age - 60 × sister's age.

Since the age of Miguel, Raul's grandfather is 65 years, so we can write the following equation to find Paula's age

$x=65-60\times y\\\\\Rightarrow 60y=65-x\\\\\Rightarrow y=\dfrac{65-x}{60}.$

Thus, we can find Paula's age (y) using the equation

$y=\dfrac{65-x}{60},$

where 'x' is the age of Raul.

6 0

3 years ago

Y = x² - 4x convert from standard to vertex form

Pepsi [2]

Answer:

$y = (x-2)^{2} -4$

Step-by-step explanation:

To complete the square: add 4 to both sides because the product of 4 as 2 as the factor which 2 * 2 so $2^{2}$

$y + ? = x^{2} - 4x + ?$

$y + 2^{2} = x^{2} - 4x + 2^{2}$

$y + 4 = x^{2} - 4x + 4$

Now we can factor the expression

$y + 4 = (x-2)^{2}$

Move the 4 to the other side to isolate y which changes the sign

$y = (x-2)^{2} - 4$

6 0

1 year ago

Which expression is equivalent to 2.2 − 0.5(0.6x − 1.8) ?

VARVARA [1.3K]

Answer:

the answer is D 3.1 − 0.3x

hope this helps

5 0

2 years ago

1.morgan is 15 years old younger than Mrs.santtos their combined age is 442. jenny won the ping-pong championship eight more tim

swat32

If Morgan is 15 years younger then Mrs.Santos and there combined age is 442 that means that Mrs.Santos is 221, and Morgan is 206.

8 0

3 years ago

What is the value of x in the equation 3-2x--15x?<br><br> 6<br> 2<br> 2<br> 6

Wittaler [7]

Consider the given equation is $3-2x=15$ and one of the 6 in the options is -6.

Given:

The equation is

$3-2x=15$

To find:

The value of x.

Solution:

We have,

$3-2x=15$

Subtracting 3 from both sides, we get

$3-2x-3=15-3$

$-2x=12$

Divide both sides by -2.

$x=\dfrac{12}{-2}$

$x=-6$

Therefore, the value of x is -6.

6 0

2 years ago