What is the short form of 5000+100

Mathematics

2 answers:

kenny6666 [7]3 years ago

6 0

Answer:

5000+100=5100 it is short form

Drupady [299]3 years ago

4 0

Answer:

5 x 10³ + 10²

hope it helps.....

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the NACI cafeteria wants to sell two 25 cm diameter medium size pizzas for the same price as one large pizza. what should the di

Alex777 [14]

Answer:

35.34 centimeters

Step-by-step explanation:

The amount of pizza is same as the area. The pizza is in a shape of a circle. The area of a circle is:

$A=\pi r^2$

Where

r is the radius (half of diameter)

Area of one medium size pizza is (diameter 25 means radius is 25/2 = 12.5):

$A=\pi r^2\\A=\pi (12.5)^2\\A=490.87$

So, area of two of these medium size pizzas is:

490.87 * 2 = 981.74

This should be the area of the large pizza. We can find the radius of that by substituting into formula. Shown below:

$A=\pi r^2\\981.75=\pi r^2\\r=\sqrt{\frac{981.74}{\pi}} \\r=17.67$

Hence, the diameter would be around:

17.67 * 2 = 35.34 centimeters

5 0

2 years ago

The quick computing company discovered that it costs 45$ to produce 2 calculators, 143$ to produce 4 calculators,and 869$ to pro

telo118 [61]

<span>Using the points (2, 45) (4, 143) and (10, 869), we can plug them into the following system of 3 equations using the y = ax^2 + bx + c format:

45 = a(2)^2 + b(2) + c
143 = a(4)^2 + b(4) + c
869 = a(10)^2 + b(10) + c

which simplifies to:

45 = 4a + 2b + c
143 = 16a + 4b + c
869 = 100a + 10b + c

Solving the system, we get a = 9, b = -5, and c = 19. Thus the equation is:

c(x) = 9x^2 - 5x + 19

If you have a TI graphing calculator, you can also enter the points by pressing Stat -> Edit and enter (2, 45) (4, 143) and (10, 869) into it. Go back and calculate the QuadReg of the points from the Calc tab and it will give you the same answer.

Now that we know the function that will produce the price of production for any number of calculators, plug in x = 7 and it will give you the price to produce 7 calculators.

c(x) = 9x^2 - 5x + 19
==> c(7) = 9(7)^2 - 5(7) + 19
==> c(7) = 441 - 35 + 19
==> c(7) = 425

Therefore, it costs $425 to produce 7 calculators.

Hope this helps.

</span>

6 0

3 years ago

10. Provide the reasons for the following proof:

inessss [21]

Given that <span>Line WX is congruent to Line XY and Line XZ bisects Angle WXY.

We prove that triangle WXZ is congruent to triangle YXZ as follows:

$\begin{tabular}
{|c|c|}
Statement&Reason\\[1ex]
\overline{WX}\cong\overline{XY},\ \overline{XZ}\ bisects\ \angle WXY&Given\\
\angle WXY\cong\angle YXZ & Deifinition of an angle bisector\\
\overline{XZ}\cong\overline{ZX}&Refrexive Property of \cong\\
\triangle WXZ\cong\triangle YXZ&SAS
\end{tabular}$ </span>