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3 years ago

In the expression 4/5 ÷ 3/4 is the same as..

Mathematics

2 answers:

vivado [14]3 years ago

8 0

Answer:

Multiplying by

$\frac{4}{3}$

Step-by-step explanation:

$\frac{4}{5} \div \frac{3}{4}$

$= \frac{4}{5} \times \frac{4}{3}$

serious [3.7K]3 years ago

5 0

Answer:

multiplying by 4/3

Step-by-step explanation:

"keep-change-flip"

1. "keep" the 4/5

2. change the division sign to multiplication sign

3. flip the fraction 3/4, to 4/3

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Yakvenalex [24]

If it is on sale for 15%, then you are paying 85% (100-15) of the original price.

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4 years ago

Read 2 more answers

What is this number in standard form?<br><br> (3×100)+(1×110)+(4×11,000)

zimovet [89]

Answer:

44410

Step-by-step explanation:

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3 years ago

Multiply 25 x 47 x 3

dmitriy555 [2]

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3 years ago

When planning a date night, you have a choice of 2 types of restaurants: pizza (P) or barbeque (B); a choice of 3 types of movie

enot [183]

Answer:

$S = \{PRC, PRI,PAC,PAI,PDC,PDI,BRC, BRI,BAC,BAI,BDC,BDI\}$

Step-by-step explanation:

Given

$Restaurant = \{P,B\}$

$Movies = \{R,A,D\}$

$Post-movie = \{C,I\}$

Required

List out the sample space

To do this, we simply pick 1 item in each category, without repetition.

So, we have:

$S = \{PRC, PRI,PAC,PAI,PDC,PDI,BRC, BRI,BAC,BAI,BDC,BDI\}$

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3 years ago

A manufacturer cuts squares from the corners of a rectangular plece of sheet metal that measures 2 inches by 7 inches (see Figur

Vladimir79 [104]

Answer:

The value of x that maximizes the volume enclosed by this box is 0.46 inches

The maximum volume is 3.02 cubic inches

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

The volume of the open-topped box is equal to

$V=LWH$

where

$L=(7-2x)\ in\\W=(2-2x)\ in\\H=x\ in$

substitute

$V=(7-2x)(2-2x)x$

Convert to expanded form

$V=(7-2x)(2-2x)x\\V=(14-14x-4x+4x^{2})x\\V=14x-14x^2-4x^2+4x^{3}\\V=4x^{3}-18x^{2} +14x$

using a graphing tool

Graph the cubic equation

Remember that

The domain for x is the interval -----> (0,1)

Because

If x>1

then

the width is negative (W=2-2x)

The maximum is the point (0.46,3.02)

see the attached figure

therefore

The value of x that maximizes the volume enclosed by this box is 0.46 inches

The maximum volume is 3.02 cubic inches

8 0

3 years ago

In the expression 4/5 ÷ 3/4 is the same as..​

In the expression 4/5 ÷ 3/4 is the same as..