Please help me with this question (if you can)! Thank you so much, help is very much appreciated! :)

Answers

Answer 1

Answer: The answer for your question is C because the first cup is decaf and second one is not.

Hope this helps:)

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What is the ratio of x to y?

Answers

2/3 = x/(3x + y)

2*(3x + y) = 3*x

2*3x + 2*y = 3x

6x + 2y = 3x

6x - 3x = - 2y

3x = -2y

x/y = -2/3

x : y = -2/3.

I need help with these questions?

Answers

Answer:

$(2)/((x-1)x(x+1))$ , $(y^4)/(8)$ , and $(2)/(3t)$

Step-by-step explanation:

Let's find a common denominator:

$(x(x+1))/((x-1)x(x+1)) - (2(x-1)(x+1))/(x(x-1)(x+1)) + ((x-1)x)/((x+1)(x-1)x)$

$(x(x+1) - 2(x-1)(x+1)+(x-1)x)/((x-1)x(x+1))$

= $(2)/((x-1)x(x+1))$

2/(x-1)x(x+1)

$((2y^2)^3)/((8y)^2)$

Distribute exponents:

2^3(y^2)^3

__________

8^2(y)^2

Numerator:

2 to the power of 3 equals (2 · 2 · 2) = 8

y to the power of 2 to the power of 3 equals, y to the power of 6 (this is because when exponents in parenthesis are held to the power of another number outside of the parenthesis, you multiply them)

Now let's simplify the denominator:

8 to the power of 2 equals (8 · 8) = 64

y to the power of 2 is just y to the power of 2, so our new expression is:

$(8y^6)/(64y^2)$

Let's cancel the terms further:

8/64 can be simplified to 1/8

And when you cancel exponents, you subtract the denominator's exponent from the numerator's exponent ( $y^(6-2)$ = $y^(4)$ )

Now put them together:

$(1(y^4))/(8)$

Which is,

= $(y^4)/(8)$

y^4/8

$(t+2)/(3t) - (1)/(3)$

The common denominator for both fractions is 3t, so let's make -1/3's denominator 3t by multiplying t to both the numerator and the denominator:

-1 · t

_____ = -1(t)/3t = -t/3t

3 · t

Now let's solve for the numerator:

$(t+2)/(3t) - (t)/(3t)$

(t + 2) - t, the t's cancel out, t - t + 2 = 2

And the denominator stays the same, so it will still equal 3t

Finally, you'll get an answer of

= $(2)/(3t)$

2/3^2

Hope this helps (it's only thr 1st one tho)
Have a great day, remember to stay hydrated!! :))

the grocery store is selling bananas for $0.35 per lb .how much will Zack pay for 3.6 lbs. of bananas?

Answers

0.35*3.6=$1.26 Zack will pay $1.26 lbs of bannas
Hope this helped :DD

Ms. Hartland bought x number of shirts for the new members of her chorus. The cost for x number of shirts, including $3.99 shipping, was $77.49. Each shirt cost $12.25. There was no sales tax on this purchase. Which equation could be used to find x? A. 3.99(x+12.25) =77.49
B. 3.99x + 12.25 =77.49
C. 12.25(x+3.99) = 77.49
D. 12.25x+3.99= 77.49

Answers

Answer:

D. 12.25x +3.99 = 77.49

Step-by-step explanation:

What are the partial products of 42 x 5

Answers

it would be 210 i think because 42*5=210

The answer is:
40 x 5 = 200
2 x 5 = 10

42 x 5 = 210
I hope this will help!:)

The sum of two numbers is 45 and their product is 500

Answers

If the sum of two numbers is 45 and their product is 500 the numbers are 25 and 20 respectively.

What is a numerical expression?

A numerical expression is a mathematical statement written in the form of numbers and unknown variables. We can form numerical expressions from statements.

Let, The two numbers are a and b.

Given, a + b = 45...(1) and ab = 500...(2)

(a + b)² = a² + 2ab + b².

2025 = a² + b² + 1000.

a² + b² = 1025.

Now,

(a - b)² = a² + b² - 2ab.

(a - b)² = 1025 - 1000.

(a - b)² = 25.

(a - b) = 5....(3)

Now, Adding eqn(1) and eqn(2) we get,

2a = 50.