3 years ago

Write each answer in the form of a decrease or increase of a percentage. (ex. decrease of 72%)

Mathematics

2 answers:

LekaFEV [45]3 years ago

6 0

Answer:1 . 8%

2. 71.42857142%

3. 24%

4.60.60%

Step-by-step explanation:

bazaltina [42]3 years ago

5 0

Answer:

I think 3 or 4 I don't know which one

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See photo PLEASE HELP:(

slega [8]

Answer:

1/5

Step-by-step explanation:

silk butterfly = 4cm=1 (this is the reduce form )

butterfly 20cm=5

Also you will just divide this by 4

8 0

4 years ago

Walter has 1/4 of a yard of string. He used 3/5 of it on a school project. How much string did he use?

zalisa [80]

Answer:

3/20 or .15

Step-by-step explanation:

You need to find 3/5 of 1/4, so you need to multiply

3/5*1/4= 3/20

3/20 or .15

3 0

3 years ago

the telephone company purchased 95 yards of wire for $1235 in september. they plan on making a purchase of 285 yards in October.

Luden [163]

Ratio and propoertion

cost/amount is constant
1235/95=x/285
cross multiply or time both sides by (95 times 283)
351975=95x
divide oth sies by 95
3705=x

the cost is $3705

7 0

3 years ago

Find |4 + 3i| |4 + 3i|. . . . Please show all your work. 'i' is an imaginary number

Helga [31]

$\bf \textit{recall that }\qquad i^2=-1\\\\
-------------------------------\\\\
|4+3i|~|4+3i|\implies (4+3i)(4+3i)\implies 16+12i+12i+9i^2
\\\\\\
16+24i+9(-1)\implies 16+24i-9\implies 7+24i$

8 0

3 years ago

Consider the Fourier sine series of each of the following functions. In this exercise do not compute the coefficients but use th

tekilochka [14]

Answer:

Step-by-step explanation:

6 0

3 years ago