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3 years ago

13

Diana uses 30 grams of coffee beans to make 48 fluid ounces of coffee. When company comes she makes 96 fluid ounces of coffee. H

ow many grams of coffee beans does Diana use when company comes?
Answers:

A.160

B.60

C.98.2

D.14.4

1 answer:

Komok [63]3 years ago

6 0

The answer is B. 48 x 2 = 96, 30 x 2 = 60.

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List all of the two digit numbers that can be made using the digits 5,7,and 8

LuckyWell [14K]

9514 1404 393

Answer:

57, 58, 75, 78, 85, 87 (no repeats)

add 55, 77, 88 to the above list if repeats are allowed.

Step-by-step explanation:

With no repeating digits, there are 3 ways to choose the first digit, and 2 ways to choose the second digit, for a total of 3×2 = 6 possible numbers

57, 58, 75, 78, 85, 87

If the digits can be repeated, than you can add 55, 77, 88 to that list:

55, 57, 58, 75, 77, 78, 85, 87, 88

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3 years ago

Prove the following equation has no solutions.<br><br> 13t+6=12+13t

Alex73 [517]

13t-13t=0
so your left with
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3 years ago

Use differentials to approximate the value of the expression. Compare your answer with that of a calculator. (Round your answers

Vesna [10]

Answer:

726.572699

Step-by-step explanation:

According to differentials

(x+Δx)³ = x³ + 3x²Δx + 3x(Δx)² + (Δx)³ (Using binomial expansion)

Using this formula to solve (8.99)³, this can also be written as;

(8.99)³ = (9-0.01)³ where

x = 9

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Substitute this vales into the differential expression above

(9+(-0.01))³ = 9³ + 3(9)²(-0.01) + 3(9)(-0.01)² + (-0.01)³

(9+(-0.01))³ = 729 + (243)(-0.01) + 27(0.0001) + (-0.000001)

(9+(-0.01))³ = 729-2.43+0.0027-0.000001

(9+(-0.01))³ = 729-2.43+0.0027-0.000001

(9+(-0.01))³ = 726.572699

Hence 8.99³ = 726.572699 (Using differential)

Using calculator;

8.99³ = 726.572699

4 0

3 years ago

If quadrangles have all equal angles, are they congruent?

xenn [34]

Answer:

yes because it says all angles are the same

3 0

3 years ago

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SashulF [63]

Answer:

9 is the right answer

Step-by-step explanation:

I. If c = - 4 and d = 10

then $\frac{1}{4}(-4^{3} + 10^{2} )$

= $\frac{1}{4}(-64 + 100)$

= $\frac{1}{4}(36)$

= 9

Hope that help :D

6 0

3 years ago