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s344n2d4d5 [400]
3 years ago
12

Daniel worked for 2 1/3 hours and earned $18.20.

Mathematics
2 answers:
andriy [413]3 years ago
6 0
He gets 7.80 an hour so you multiply 7.8 by 5.25 hours
zysi [14]3 years ago
3 0
About $40.95
you divide 5.25 by 2.333333 (about 2 1/3) and then multiply that by 18.20
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Let g(x)= -3x and h(x) x^2+3 Find (g°h)(0)
raketka [301]
<h3>Answer is   -9</h3>

=================================

Work Shown:

(g°h)(x) is the same as g(h(x))

So, (g°h)(0) = g(h(0))

Effectively h(x) is the input to g(x). Let's first find h(0)

h(x) = x^2+3

h(0) = 0^2+3

h(0) = 3

So g(h(x)) becomes g(h(0)) after we replace x with 0, then it updates to g(3) when we replace h(0) with 3.

Now let's find g(3)

g(x) = -3x

g(3) = -3*3

g(3) = -9

-------

alternatively, you can plug h(x) algebraically into the g(x) function

g(x) = -3x

g( h(x) ) = -3*( h(x) ) ... replace all x terms with h(x)

g( h(x) ) = -3*(x^2 + 3) ... replace h(x) on right side with x^2+3

g( h(x) ) = -3x^2 - 9

Next we can plug in x = 0

g( h(0) )  = -3(0)^2 - 9

g( h(0) ) = -9

we get the same result.

7 0
3 years ago
Hi please can you help me this is a new topic and I’m very confused
olchik [2.2K]

Answer: the large jar is cheaper

Step-by-step explanation:

If you divide the £1.54 by 440g and £1.26 by 340g, you'll find which one is cheaper per gram :

1.54/440 = 0.0035

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So, by comparing both prices/gram, you've found that the large jar is cheaper.

8 0
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8 0
3 years ago
Why is 15 + 1/2 an algebraic expression?
Marat540 [252]

Answer:

There is no equal sign.

Step-by-step explanation:

There is no equal sign to make it an algebraic equation.

5 0
3 years ago
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Billy will earn $8 per hour and work 12 hours per week how much will he earn in one week​
wolverine [178]

Answer:

The answer is simple. If there is $8 an hour and works for 12 hours, just multiply 8 by 12, which is 96. He will earn $96 in a week

Step-by-step explanation:

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