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2 years ago

To make 5 dinner rolls, 1/3 cup of flour is used. how many cups of flour are needed to make 3 dozen dinner rolls?

Mathematics

1 answer:

OLEGan [10]2 years ago

5 0

The answer would be 2 2/3 cups

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A set of cards contains cards numbered 1-10. Mrs. Jacobs class is conducting an experiment in which a card Is drawn from the pil

Olegator [25]

Answer:

Step-by-step explanation:

7 0

2 years ago

Read 2 more answers

If the 13th and 38th terms of an arithmetic sequence are -53 and -128,

love history [14]

9514 1404 393

Answer:

-2018

Step-by-step explanation:

The n-th term is ...

an = a1 +d(n -1)

So, the given terms are ...

-53 = a1 +12d

-128 = a1 +37d

Subtracting the first from the second gives ...

(a1 +37d) -(a1 +12d) = (-128) -(-53)

25d = -75

d = -3

The 668th term will be ...

a668 = a1 +d(668 -1) = a1 +667d = (a1 +37d) +630d

a668 = -128 +630(-3) = -128 -1890 . . . . substitute for a38

a668 = -2018

7 0

2 years ago

Which is equivalent to the expression 4( +5) +4x +8

Ann [662]

Answer: 13+16x

Step-by-step explanation:

Okay so I just learned how to do that haha, so if the answer is wrongdoing I'm a sorry.

I added the 8 and five, then multiplyed the 4 and the 4 then added the x on the end.

8 0

2 years ago

Round 8 3/8 to the nearest whole number

kicyunya [14]

The exact form of 8 3/8, is 67/8 Decimal Form: 8.375 & Mixed number: 8 3/8

8 0

3 years ago

Please help me with this question.

Evgen [1.6K]

Answer:

$\purple{ \boxed{\frac{d^{2} y}{dx ^{2} } = \frac{132}{ {x}^{13} } }}$

Step-by-step explanation:

$y = \frac{1}{ {x}^{11} } \\ y = {x}^{ - 11} \\ \frac{dy}{dx} = \frac{d}{dx} {x}^{ - 11} \\ \frac{dy}{dx} = - 11{x}^{ - 11 - 1} \\ \frac{dy}{dx} = - 11{x}^{ - 12} \\ \\ \frac{d}{dx} \bigg(\frac{dy}{dx} \bigg) = \frac{d}{dx} ( - 11 {x}^{ - 12} ) \\ \\ \frac{d^{2} y}{dx ^{2} } = - 11\frac{d}{dx} ( {x}^{ - 12} ) \\ \\ \frac{d^{2} y}{dx ^{2} } = - 11( - 12{x}^{ - 13} ) \\ \\ \frac{d^{2} y}{dx ^{2} } = 132{x}^{ - 13} \\ \\ \huge \red{ \boxed{\frac{d^{2} y}{dx ^{2} } = \frac{132}{ {x}^{13} } }}$

8 0

2 years ago