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matrenka [14]
4 years ago
13

Beginning at sunrise the temperature rose 2.8° per hour how long did it take for the temperature to rise a total of 19.18°?

Mathematics
2 answers:
Viktor [21]4 years ago
7 0
What Temperature Was It When It Began?

nadezda [96]4 years ago
3 0
19.18/2.8= 6.85 hours or rounded it would be 7 hours

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vodka [1.7K]
That would be
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5 0
3 years ago
Help with the following problem please
Effectus [21]
Given:
The largest circle has a radius of R=7 units.
Let x be the radius of the large shaded circle.
The small shaded circles have a radius of 1/5 of the large shaded circle.
=> the small shaded circles have a radius of r=x/5

By adding up radii, we have the equation
2(r+x+r)=2(x/5+x+x/5)=2R=2*7=14
Simplify:
7x/5=14/2
x=5
=> r=1

Area of outer circle                  = \pi R^2=\pi7^2=49\pi
Area of large shaded circle      = \pi x^2=\pi5^2=25\pi
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Total area of shaded circles     =25\pi+4\pi=29\pi

Shaded area as a fraction of that of the outer circle 
=\frac{29\pi}{49\pi}=29/49

3 0
3 years ago
Robin has 3 feet of ribbon. She uses part of it for a craft and has 2.5 feet left. She divides the 2.5 remaining feet among her
madreJ [45]
0.25 Feet for each friend because 2.5/10=0.25
5 0
3 years ago
Mr smith likes small oranges he likes to eat some everyday over the summer he will eat 3 oranges a day on the days with a “t” in
faltersainse [42]

Answer:

Step-by-step explanation:

Days with t are: Tuesday, Thursday and Saturday.

In the period of time given there are 20 T days (20 x 3 = 60 oranges)

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8 0
3 years ago
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kumpel [21]

Answer:

Put p(x)=0.

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2x-1=0 will give x=1/2. This means, If x=1/2 is given to the polynomial p(x), it will give a zero. P(1/2)=0.

8 0
3 years ago
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