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yawa3891 [41]
2 years ago
5

Use the table to find the ratio. Enter the ratio as a fraction in simplest form.

Mathematics
1 answer:
snow_tiger [21]2 years ago
8 0

Answer:

4/19          

Step-by-step explanation:

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Water has a specific heat of 4.184 J/g°C and requires 23,000 J of heat to raise the
nasty-shy [4]

Answer:

m=80.840 kg

Step-by-step explanation:

Given Data,

Q=23000 J

c=4.184 J/g °c

Δt= 68 °c

m=?

By using this equation,

Q=mcΔt

23000=m\times 4.184\times 68\\\\m=\frac{23000}{4.184\times68} \\\\\\m=80.840 kg

3 0
2 years ago
Which expression represents the<br>statement "the product of 3 less than a<br>number and 5"}​
yan [13]

Answer:

5(x-3)

Step-by-step explanation:

5 0
3 years ago
Someone help pls I forgot how to do it
yawa3891 [41]

(2,4)

Step-by-step explanation:

I'm not sure in the slightest but with the formula I learned I think this is correct

3 0
2 years ago
Finding area of shaded sectors.
tekilochka [14]

Answer:

69.81 sq. m. (rounded to 2 decimal places)

Step-by-step explanation:

The sector of a circle is "part" or "portion" of a circle. The formula for the area of a sector is:

A=\frac{\theta}{360}*\pi r^2

Where

\theta  is the central angle

r is the radius

Given the figure, the arc is given as 80 degrees, but not the central angle of the shaded sector. But from geometry we know that the central angle and the intercepted arc have the same measure. So we can say:

\theta = 80

Also, the radius of the circle shown is 10 meters, so

r = 10

Now, we substitute in formula and find our answer:

A=\frac{\theta}{360}*\pi r^2\\A=\frac{80}{360}*\pi (10)^2\\A=\frac{2}{9}*100\pi\\A=\frac{200\pi}{9}\\A=69.81

Thus,

The area of the shaded sector is 69.81 sq. meters.

5 0
2 years ago
Factor p^2-q^2-2p+2q
Grace [21]
Not sure of the answer but i know what factors
p ^2 - 2p

p (p-2)

-q^2 +2q

-q (q-2)

so maybe (p-q) (p-2) (q-2)
6 0
2 years ago
Read 2 more answers
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