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Oksana_A [137]
3 years ago
8

What is the gcf of 48 and 64

Mathematics
1 answer:
pantera1 [17]3 years ago
6 0
First, make an organized list of the factors for each number. The common factors are 1, 2, 4, 8, and 16, and the greatest of these is 16. So, the greatest common factor or GCF of 48 and 64 is 16.
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dangina [55]
PART A:

The given quadratic equation is 2x²-10x-8=0

The radicand is given by b²-4ac where a, b, and c are the constants in a quadratic form ax²+bx+c

From the given equation, we have
a = 2
b = -10
c = -8

Radicand b²-4ac = (-10)² - 4(2)(-8) = 100 + 64 = 164

The radicand is >0 hence the quadratic equation has two distinct roots

PART B:

4x²-12x+5 = 0

We can use the factorization method to solve the equation
Firstly, we multiply 4 by 5 to get 20
Then we find the pair of numbers that multiply gives 20 and sum gives -12

The pair of number is -2 and -10
Rewriting the equation 
4x²-2x-10x+5 = 0
2x(2x-1)-5(2x-1) = 0
(2x-1)(2x-5) = 0

2x-1 = 0 and 2x-5 = 0
x = 1/2 and x = 5/2
6 0
4 years ago
Belinda has a bag of beads. She uses 3 of the beads to make a bracelet and 5 of the beads to make a necklace. She uses 36 more b
Anastasy [175]
I just helped my sister on this problem its kinda scary... :P

If you mean 1/3 and 3/5

Belinda has 135 beads in total.

Find 1/3 of 135.

135 ÷ 3 = 45.

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Hope I helped :)
7 0
3 years ago
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I believe the answer is D
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marissa [1.9K]

Answer:

Kindly check explanation

Step-by-step explanation:

Given the data:

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ŷ = 2.0927X + 0.6029

X = independent variable

Y = predicted variable

2.0927 = slope

0.6029 = intercept

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= 52.9204

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0.8785² = 0.7718

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8 0
3 years ago
Factor the expression.<br><br>49×2-16​
MArishka [77]

Answer:

49x²-16 = (7x - 4)(7x + 4)

Step-by-step explanation:

Your "49×2-16​" is incorrect; did you mean "49x^2-16​" or "49x²-16​?"

This last expression is the difference of two squares.

The formula for that is a² - b² = (a - b)(a + b), and so your 49x²-16 factors as follows:

49x²-16 = (7x - 4)(7x + 4)

8 0
3 years ago
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