3 years ago

In the expression 90 5z,the coefficient term is

Mathematics

1 answer:

jekas [21]3 years ago

5 0

The coefficient is the number being multiplied by the variable

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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

Brainliest, but explain your answer for once? Thanks in advance, appreciate ya!

GenaCL600 [577]

Answer:

c. 1/6

Step-by-step explanation:

I hope it helps you...

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2 years ago

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A number line shows the integers from -20 to 20 Describe where you would plot -30 +6.2

Alchen [17]

Answer:

12rt2y3heheu3g6je4uf

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2 years ago

If a 50-inch flat-screen now costs $1200, what will it cost in three years?

Ainat [17]

Twelve hundred times three equals 3600 so in 3 years it will cost 3600

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3 years ago

How do you find a value of x so that f(x) = 7?

DiKsa [7]

Answer:

When f(x) = 7, x is equal to 5.

Step-by-step explanation:

When looking at this graph, we are looking for where the line hits a point where y is equal to 7. That's because f(x) is essentially the same thing as y.

The point in which the graph hits y = 7 is (5, 7). This means the x value we need is 5.

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3 years ago