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Step2247 [10]
3 years ago
6

Write the whole number that correctly completes the word problem:

Mathematics
1 answer:
irina1246 [14]3 years ago
4 0

Answer:

2/3(two thirds) of the 24 hour day awake, amounts to 24 x 2 / 3 hours awake which is equal to 16 hours awake

Step-by-step explanation:

24 x 2/3

there are many ways to evaluate this mentally, if you know 8x3=24, for instance you can multiply top and bottom of 2/3 by 8 yo gey 24 x 16/24 which is 16 hours

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Evgen [1.6K]

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y-y_1=m(x-x_1)

We have:

m=2,\ (-8,\ 1)\to x_1=-8,\ y_1=1

Substitute:

y-1=2(x-(-8))\\\\\boxed{y-1=2(x+8)}

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If triangle XYZ is reflected across the line y = 1 to create triangle X'Y'Z', what is the ordered pair of X'? 
Vlad1618 [11]

Consider triangle XYZ with vertices at points X(1,-3), Y(3,0) and Z(-1,-1). If triangle XYZ is reflected across the line y = 1, then the rule of reflection is

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4 0
2 years ago
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Kevin is 4 times as old as Daniel and is also 6 years older than Daniel
MAXImum [283]

Answer:

Part a) Daniel's age is 2 years

Part b) Kevin's age is 8 years

Step-by-step explanation:

<u><em>The question is </em></u>

Part a) How old is Daniel?

Part b) How old is Kevin?

Let

x ----> Kevin's age

y ----> Daniel's age

we know that

x=4y-----> equation A

x=y+6 ----> equation B

Equate equation A and equation B

4y=y+6

solve for y

4y-y=6

3y=6

y=2

therefore

Daniel's age is 2 years

<em>Find the value of x</em>

substitute the value of y in any of the two equations

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x=2+6=8\ years

therefore

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Answer:

16

Step-by-step explanation:

.8 x 20 =16

7 0
3 years ago
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