Help plz need help will make mi day if u help

Mathematics

2 answers:

mafiozo [28]3 years ago

6 0

Answer:

2 1/4 i believe correct me if im wrong

Step-by-step explanation:

Masja [62]3 years ago

6 0

1 4/8 hope this helps

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A box with a volume of 40 cubic inches holds 10 balls. A box with a volume of 60 cubic inches holds 15 of the same kinds of ball

lesya692 [45]

Pretend these are coordinates that you can use to find the slope of the line.
(10, 40) and (15, 60). Fit these into the slope formula to find the slope of the line you are looking for:
$m= \frac{60-40}{15-10}$ and the slope is 4. Now use one of the points and the slope of 4 to solve for b, the y-intercept:
40 = 4(10) + b so b = 0. The equation of the line then is y = 4x + 0 or just
y = 4x

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3 years ago

Factor completely. Remember to look first for a common factor. If a polynomial is prime, state this.

Yakvenalex [24]

This one is prime. The sum of two squares doesn't factor.

The more interesting case is q^2-1, which factors into (q-1)(q+1).

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3 years ago

I need help please and thank you

azamat

Answer:

I believe it's B ............

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3 years ago

The length of a rectangle is 3131 inches greatergreater than twice the width. if the diagonal is 2 inches more than the length,

Gala2k [10]

We have a rectangle with a diagonal included. That means we have to use Pythagorean's Theorem to find the missing dimensions. We start with the width as w. The length is 31 more than twice the width, so the length is 2w+31. The hypotenuse (diagonal) is 2 more than the length, so the diagonal measures 2w+33. In a right triangle, the hypotenuse is always the longest side, so we set up Pythagorean's Theorem using the bolded values as such: $(2w+33)^2=w^2+(2w+31)^2$ . Distributing by multiplying we simplify to $4w^2+132w+1089=w^2+4w^2+124w+961$ . We need to solve for w. Once we do that we can use that value to find the length. What's nice is that the 4w^2 terms cancel each other out. So when we combine like terms and get them all on one side of the equals sign to factor we have $w^2-8w-128=0$ . The 2 numbers that add up to -8 and multiply to -128 are 16 and -8. So the width is either 16 inches or the width is -8 inches. The 2 things in math that will never EVER be negative are time and distance/length. So -8 is out. The width is 16 inches. That means that the length is 2(16)+31, which is 63 inches. There you go!

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3 years ago

Carolina needs $50 to buy a new Mp3 player Caroline has 40% of the amount how much does she have

olga55 [171]

40/100 * 50=20
She has$20

4 0

3 years ago

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