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tekilochka [14]
3 years ago
5

Jeanie wants to hang a circular mirror in a frame in her front wall. Determine the area of the largest mirror Jeanie can han if

the frame has a circumference of 56 inches.
Mathematics
1 answer:
AnnyKZ [126]3 years ago
3 0
56=2(pi)(r)
r=8.9127
pi(8.9127)^2=249.56cm^2
≈245cm^2 (3s.f.)
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A meteorologist forecasted that Monday's hight temperature would be 76F. On Monday, the temperature reached 80F. What is the per
mihalych1998 [28]

Answer: 5%

Step-by-step explanation:

A meteorologist predicted that Monday's hight temperature would be 76F and on Monday, the temperature reached 80F.

The percentage error will be

Percentage error=

(Exact value-Forecasted value)/exact value x 100

= 76-80/80 × 100

= -4/80 × 100

=4/80 × 100

= 400/80

= 5%

The percentage error is 5%.

6 0
3 years ago
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eimsori [14]
This is a proportion problem.

 z      4
--- = ----
12     5

We can cross multiply and divide.

5z = 48
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Hope this helps!
7 0
3 years ago
A line that includes the point (4,1) has a slope of 1 7 . What is its equation in point-slope form?
Sergeeva-Olga [200]

Answer:

y = 17x-67

Step-by-step explanation:

The one point form of line also called slope point form is given by

(y-y_1)=m(x-x_1)

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Given: (x1, y1) = (4,1) and m= 17

Substituting these values in above equation to find equation in point-slope form

(y-1)=17(x-4)

y-1 = 17x-68

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the point -slope form of equation y = 17x-67

5 0
2 years ago
15 POINTS! PLEASE HELP
Mariulka [41]

not sure really what the question is asking but dividing both sides of the equation by "t" is:

D=RT

\frac{D}{T} =R

7 0
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Nana76 [90]

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