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san4es73 [151]
3 years ago
13

Please help, I'm really desperate here

Mathematics
1 answer:
weqwewe [10]3 years ago
8 0

Answer:

If ur desperate

Step-by-step explanation:

You should ask people to help you, like me.

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Calculate the area of a circle with a dime tier of 16cm pi=3
Mashcka [7]

The area of every circle is        (pi) (radius²) .

Radius = 1/2 of the diameter, so the area of your circle is

                   (pi) x (8 cm)²  =  201 cm² .    (rounded)

(pi) is not 3 .   There's nothing wrong with approximating (pi),
but 3 is more than 4.5% wrong, and that's too much.  There's
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7 0
3 years ago
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Find the equation of the line with a slope of 3/4 that goes through the point (8,10)
GenaCL600 [577]
the answer is ......... y=3/4+10
7 0
3 years ago
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Yolanda makes wooden boxes for a crafts fair. She makes 300 boxes like this one shown, and she wants to paint all the outside fa
Effectus [21]

Answer:

240

Step-by-step explanation:

that is it

3 0
3 years ago
How do you factor x squared minus 100
Alina [70]

Answer:

(x - 10)(x + 10)

Step-by-step explanation:

x² - 100 ← is a difference of squares and factors in general as

a² - b² = (a - b)(a + b)

Hence

x² - 100

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6 0
3 years ago
A model car travels around a circular track with radius 5 feet. Let Z denote the distance between the model car and a fixed poin
Eddi Din [679]

Answer:

\frac{dZ}{dt}= \frac{40}{\sqrt{545} } , so the model car is moving away from the fixed point at a rate of approximately 1.7 feet per second.

Step-by-step explanation:

The functions x and y satisfy (x−20)^2+y^2=25 and differentiating gives 2(x−20)dx/dt+2y dy/dt=0. Substituting the three known values and solving for dy/dt yields dy/dt=−32. Since Z=x^2+y^2−−−−−−√, dZ/dt=(2x ^ dx/dt+2y^dy/dt) / 2x2+y2√. Substituting Since Substituting for x, y,\frac{dx}{dt} , and \frac{dy}{dt} gives \frac{dZ}{dt}= \frac{40}{\sqrt{545} } ,

5 0
3 years ago
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