3 years ago

ASAP !!

Mathematics

1 answer:

brilliants [131]3 years ago

8 0

Answer:

Step-by-step explanation:

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Kamila [148]

Answer:

-1<x<9

(I think you notated it wrong, it should be |x-4|-2<3)

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3 years ago

traveling at 65 mph, how many minutes, rounded to the nearest whole number, does it take to drive 125 miles from San Diego to ma

kkurt [141]

You have to make proportions
65mi/1h=125mi/xhours
you end up with 65x=125
125/65=1.92hours--> round it to 2 hours
it takes 2 hours

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3 years ago

HELP

Lostsunrise [7]

Answer:

${b}^{2} + 3b - 3 = 0$

Step-by-step explanation:

${b}^{2} + 3b - 3 = 0 \\ because \: \: {b}^{2} < 4ac \\ {b}^{2} = {3}^{2} = 9 \\ 4ac = 4 \times 1 \times - 3 = - 12 \\ hence : {b}^{2} < 4ac$

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2 years ago

1- Which relation is a function?

babymother [125]

Answer:

Step-by-step explanation:

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2 years ago

The lateral area of a cone is 400 pi cm squared. The radius is 10 cm. Find the slant height to the nearest tenth.

Ilia_Sergeevich [38]

Answer:

Option A. $40\ cm$

Step-by-step explanation:

we know that

The lateral area of a cone is equal to

$LA=\pi rl$

we have

$LA=400\pi \ cm^{2}$

$r=10\ cm$

substitute and solve for l (slant height)

$400\pi=\pi (10)l$

simplify

$400=(10)l$

$l=400/10=40\ cm$

8 0

2 years ago