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3 years ago

The original price of a motorcycle was reduced by $275. The new discounted price is $1329.

Mathematics

1 answer:

Novosadov [1.4K]3 years ago

3 0

The answer is c p-275=1329

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just need to multiply and axpand ?

$( {x}^{2} + 2)( {x}^{3} - 4x + 2) = {x}^{2} ({x}^{3} - 4x + 2) + 2({x}^{3} - 4x + 2) \\ = {x}^{5} - 4 {x}^{3} + 2 {x}^{2} + 2 {x}^{3} - 8x + 4 \\ = {x}^{5} - 2 {x}^{3} + 2 {x}^{2} - 8x + 4$

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2 years ago

A floor is made up of 20 triangular tiles, each with sides 40 cm, 24 cm and 32 cm. Find the cost of polishing the floor at the r

pochemuha

Answer:

$15360\,\,rupees$

Step-by-step explanation:

Let sides of the triangle be $a,b,c$

$a=40\,,\,b=24\,,\,c=32$

Semi-perimeter (s) = $\frac{a+b+c}{2}$

$=\frac{40+24+32}{2}\\ =\frac{96}{2}\\=48$

Area of one tile $=\sqrt{s(s-a)(s-b)(s-c)}$

$=\sqrt{48(48-40)(48-24)(48-32)}\\ =\sqrt{48(8)(24)(16)}\\ =\sqrt{147456} \\=384\,\,cm^2$

So,

Area of 20 tiles $=20(384)=7680\,\,cm^2$

Cost of polishing the floor at the rate of 2 rupees per sq.cm = $7680(2)=15360\,\,rupees$

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2 years ago

I have a question what is thirty three times four

alukav5142 [94]

Multiplication is like repeated addition! So add 33 four times.
33
+33
-------
66
+33
-------
99
+33
------
132.
So your final answer is 132. Hope this helps! Have a happy holiday!

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2 years ago

Read 2 more answers

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Elanso [62]

Answer:

The IQR is a better measure of spread for movies than it is for basketball games

Step-by-step explanation:

The Basket ball games has no outliers so we would use standard deviation as the measure of spread. The movies has an outlier so we would use IQR as the measure of spread.

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3 years ago

three adults and four children must pay $107. two adults and three children must pay $76. find the price of the adult ticks and

jenyasd209 [6]

Assigning "a" as cost of adult tickets and "c" the cost of children's tickets.

3a + 4c = 107
2a + 3c = 76

elimination method
2(3a + 4c = 107)
-3(2a + 3c = 76)

6a + 8c = 214
-6a - 9c = -228
----------------------
0 - c = - 14
c = 14

Then 2a + 3(14) = 76
2a = 76 - 42
2a = 34
a = 34/2
a = 17

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3 years ago