3 years ago

Please help being timed for test !

Mathematics

1 answer:

balu736 [363]3 years ago

3 0

Answer:

I think it B or C but hope I can help :)

Step-by-step explanation:

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A number increased by 7

postnew [5]

Answer:

x+7

Step-by-step explanation:

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3 years ago

Aisha has 8 coins worth 50¢. If the coins are all dimes and nickels, how many dimes and nickels does she have?

lianna [129]

Answer:

4 dimes

2 nickels

Step-by-step explanation:

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3 years ago

Use set notation to write the members of the following set, or state that the set has no members. Odd numbers between 2 and 82 t

adell [148]

Let the set of all Odd multiples of 9 between 2 and 82 be denoted by D, then, using set-builder notation,

$D=\{ 18n+9 \mid n \in \mathbb{N}, 0\le n\le 4 \}$

The odd multiples of 9, $m$ , in the range $2\le m \le 82$ form the set

$\{9,27,45,63,81\}$

Each member of the set is a term of the arithmetic progression

$U_n=18n+9$

where the values of $n$ range from 0 to 4, or $0\le n\le 4$

Putting these facts together, we get the result

$D=\{ 18n+9 \mid n \in \mathbb{N}, 0\le n\le 4 \}$

Learn more about set-builder notation here: brainly.com/question/17238769

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3 years ago

State the domain of d.

tester [92]

d(x) = { (x,y): y = sqrt(x) and y >=0 }

since sqrt function requires x to be >=0 so

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3 years ago

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A hospital employs 342 nurses and 27% are male. How many male nurses are there?

Basile [38]

There are 92 male nurses

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2 years ago

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