2 years ago

Find the unit cost if 7 dozen carnations cost $10.15. Show work.

Mathematics

1 answer:

Mkey [24]2 years ago

4 0

I need below help!!!

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What is 2∙ 2∙ 2∙ 2∙ 2∙ 2∙ 2∙ 2∙ 2 in exponential form?

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Answer:

$2^9$

Step-by-step explanation:

Since there are nine 2s being multiplied by each other, we can represent this as $2^9$ .

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2 years ago

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Mr. Brown's salary is $32,000 and it increases by 3% each year. What is the explicit rule for this sequence in simplified form?

katovenus [111]

Answer:

This is the concept of geometric series. We are required to find the recursive formula for year n. Here we will use the formula;

nth=ar^(n-1)

where;

a=first term

r=common ratio

n=nth term

Thus

a=8.50

r=(8.85)/(8.50)=1.0412

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3 years ago

Solve for x.<br> x = [?]<br> 5x - 7/. 3x + 27

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Step-by-step explanation:

5x-7+3x+27=180

8x+20=180

8x=160

x=20°.

hope this helps you.

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3 years ago

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Select all ordered pairs that satisfy the function of y=2/3x+1.

kvv77 [185]

Answer:

Step-by-step explanation:

Plugging in all the values into the equation, only A holds a true statement.

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3 years ago

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Alex the electrician needs 34 yards of electrical wire to complete his job. He has a coil of wiring in his workshop. The coiled

bogdanovich [222]

Answer: This coil will not be enough to complete the job.

Step-by-step explanation:

The circumference of the coil of wiring can be calculated with:

$C=2\pi r$

Where r is the radius and $\pi=3.14$

The radius can be calculated by dividing the diameter by 2. Then:

$r=\frac{18in}{2}\\\\r=9in$

Convert 9 inches to yards (1 yard=36 inches):

$(9in)(\frac{1yd}{36in})=0.25yd$

Substitute this radius into the formula:

$C=2(3.14)(0.25yd)\\C=1.57yd$

Since there are 21 circles of wire, you need to multiply $C=1.57yd$ by 21:

$C_T=(1.57yd)(21)=32.97yd$

The coil has 32.97 yards of wire and Alex needs 34 yards, therefore, this coil will not be enough to complete the job.

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3 years ago