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4 years ago

Solve |t+4| > 10

1 answer:

7 0

For
|a|>b
assume
a>b and a<-b

|t+4|>10
assume
t+4>10 and t+4<-10
solve each
minus 4 both sides

t>6 and t<-14

A is answer

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Step-by-step explanation:

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3 years ago

A digit is written to the right of the units digit of 757. If the resulting four-digit number is divisible by 3, how many possib

KatRina [158]

Answer:

Step-by-step explanation:

It is a well known trick that when you add together the digits of a number, if they are a multiple of 3 then the number is divisible by 3. Let's go through the options and check them:

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3 years ago

Which equation can be used to determine the distance between the origin and (–2, –4)?

OleMash [197]

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8 0

3 years ago

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3 years ago

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The Coffee Counter charges $8.00 per pound for Kenyan French Roast coffee and $10.00 per pound for Sumatran coffee. How much o

Radda [10]

Answer:

x = 9

y = 9

Step-by-step explanation:

Given :

Let :

Kenyan French roast coffee = x

Cost per x = $8

Sumatran Coffee = y

Cost per y = $10

x + y = 18 - - - - (1)

8x + 10y = 9 * 18 ;

8x + 10y = 162 - - - - (2)

From (1):

x = 18 - y

Put x = 18 - y in (2)

8(18 - y) + 10y = 162

144 - 8y + 10y = 162

2y = 162 - 144

2y = 18

y = 9

x = 18 - y

x = 18 - 9

x = 9

3 0

3 years ago