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den301095 [7]
3 years ago
7

Is Sean wanted to make 3 dresses that uses 4 7/8 yards of fabric each explain how she could use estimation to make sure he has e

nough fabric for all of them
Mathematics
1 answer:
CaHeK987 [17]3 years ago
4 0
7 7/8 is close to 8, so multiply 8 yds x 3 dresses = 24
Sean would need approx 24 yeards of fabric.
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Write the conjugate of the following complex<br> number:<br> -6i
evablogger [386]

Answer:

6i

Step-by-step explanation:

We want to write the conjugate of the complex number:

-6i

Recall that the conjugate of a complex number in the form <em>a</em> + <em>b</em>i is <em>a</em> - <em>b</em>i, and vice versa.

We can rewrite our complex number as:

\displaystyle 0 - 6i

Hence, <em>a</em> = 0 and <em>b</em> = 6.

Then its conjugate will be:

0 + 6i = 6i

4 0
3 years ago
A math class consists of 25 students, 15 male and 10 female. Three students
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a) 675 b) 1050 c) 675 d)455 e) 120

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3 years ago
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2x^2+7x+5

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3 years ago
A turtle can walk 1/12 of a kilometer in an hour the turtle is 1/5 of a kilometer away from a pond
34kurt

Answer:

2\frac{2}{5}\ h

Step-by-step explanation:

we know that

A turtle can walk 1/12 of a kilometer in an hour

so

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Find how long will it take the turtle to reach the pond (1/5 km)

\frac{1}{(1/12)}\frac{h}{km}=\frac{x}{(1/5)}\frac{h}{km} \\ \\x=\frac{(1/5)}{(1/12)} \\ \\x=\frac{12}{5}\ h

Convert to mixed number

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The formula for volume of this rectangular prism is: v=2x^3+17x^2+46x+40 find an expression for the missing side length. Show al
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Answer:

the missing side length is (2x+5)

Step-by-step explanation:

we know that the volume of the rectangular prism is equal to

v=LWH

In this problem we have

v=L(x+4)(x+2)

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using a graphing tool find the x-intercepts of the function

see the attached figure

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so

v=2(x+2.5)(x+4)(x+2)

v=(2x+5)(x+4)(x+2)

therefore

the missing side length is (2x+5)

6 0
3 years ago
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