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3 years ago

A typical construction worker makes $120 in eight hour work day in Arizona. How much do they make per hour?

Mathematics

2 answers:

luda_lava [24]3 years ago

8 0

15, like the person above said divide it

son4ous [18]3 years ago

6 0

Answer:

$15

Step-by-step explanation:

Simply divide 120 by 8 to get your answer.

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The length of an arc of a circle is 6.28 units, and the measure of the corresponding central angle is 1.12 radians. What is the

lorasvet [3.4K]

Hello,

$arc=\theta \ * R\\\\
R= \frac{6.28}{1.12} =5,607142857...$ ≈5.61

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3 years ago

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If x = -6,which inequiality is true

zimovet [89]

The only equation that works with x=-6 is A

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2 years ago

cylinder shaped can needs to be constructed to hold 200 cubic centimeters of soup. The material for the sides of the can costs 0

Dafna11 [192]

Answer:

Radius=2.09 cm

Height,h=14.57 cm

Step-by-step explanation:

We are given that

Volume of cylinderical shaped can=200 cubic cm.

Cost of sides of can=0.02 cents per square cm

Cost of top and bottom of the can =0.07 cents per square cm

Curved surface area of cylinder= $2\pi rh$

Area of circular base=Area of circular top= $\pi r^2$

Total cost,C(r)= $0.02\times 2\pi rh+2\pi r^2\times 0.07$

Volume of cylinder, $V=\pi r^2 h$

$200=\pi r^2 h$

$h=\frac{200}{\pi r^2}$

Substitute the value of h

$C(r)=0.02\times 2\pi r\times \frac{200}{\pi r^2}+2\pi r^2\times 0.07$

$C(r)=\frac{8}{r}+0.14\pi r^2$

Differentiate w.r.t r

$C'(r)=-\frac{8}{r^2}+0.28\pi r$

$C'(r)=0$

$-\frac{8}{r^2}+0.28\pi r=0$

$0.28\pi r=\frac{8}{r^2}$

$r^3=\frac{8}{0.28\pi}=9.095$

$r=(9.095)^{\frac{1}{3}}=2.09$

Again, differentiate w.r.t r

$C''(r)=\frac{16}{r^3}+0.28\pi$

Substitute the value of r

$C''(2.09)=\frac{16}{(2.09)^3}+0.28\pi=2.63>0$

Therefore,the product cost is minimum at r=2.09

h= $\frac{200}{\pi (2.09)^2}=14.57$

Radius of can,r=2.09 cm

Height of cone,h=14.57 cm

4 0

3 years ago

What conclusion can be made based on this multiplication problem?

Elena L [17]

Answer:

I believe it is twenty-one is 7 times the size of 3

Step-by-step explanation:

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3 years ago

Alexis purchased a combination of daisies and tulips for her friend's birthday party. Both types of flowers cost $4 per bundle,

scoundrel [369]

Answer:

7 daisies

Step-by-step explanation:

76 ÷ 4 =19

19 - 12 = 7

7 daisies

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3 years ago