3 years ago

Determinati nr nat a b si c stiind ca a+b +c+d=20. A:b=0. C+d=1. D:=2

Mathematics

1 answer:

____ [38]3 years ago

3 0

Is this all the information or no ?

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Can you guys please help me?

Lina20 [59]

Answer:

I dont do graphs anymore that is 9th grade stuff B)))

Step-by-step explanation:

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2 years ago

Your station charges $16.50 for a lubrication job. As a promotion you sell six coupons for lubrication jobs for $90. What percen

Lena [83]

Multiply 6 by $16.50 to get the total amount = $99

now to get the percentage discount : 99-90 (which is the difference) / 99 (original price of what it should have been )

and then multiply by 100 to get the percentage discount

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3 years ago

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Find the mass of the triangle with vertices (1; 0; 0), (0; 2; 0), (0; 1; 1) if the density function is given by (x; y; z)

Luda [366]

Answer:

$=\frac{17}{3}$

Step-by-step explanation:

Density of a function is $\rho(x,y)=x^{2} +y^{2}$

I have drawn the right angle triangle for visualization

equation for the line passing through (1,0) and (0,4) is

$\frac{y}{4} =\frac{x-1}{-1}$

$y=4-4x$

= $\int_{0}^1\int_{0}^{4-4x} (x^{2}+y^{2})dydx$

= $\int_{0}^{1}(x^{2}+\frac{y^{3} }{3})dx$

= $\int_{0}^{1}(x^{2}(4-4x)+\frac{1}{3}(4-4x)^{3} )dx$

= $\int_{0}^{1}(\frac{-76}{3}x^{3} +68x^{2}-64x^{}+\frac{64}{3} )dx$

= $=(\frac{-76}{3} \frac{x^{4} }{4})+\frac{68}{3}x^{3}-32x^{2}+\frac{64}{3}x^{})$

$=\frac{17}{3}$

3 0

3 years ago

6=m/8 what does m equal

sp2606 [1]

Answer:

m = 48

Step-by-step explanation:

6=m/8

Multiply each side by 8

6*8 = m/8 *8

48 = m

8 0

3 years ago

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How do you do this?? Show all work please

olchik [2.2K]

The answer is every long.

Step-by-step explanation:

as the figure shows

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2 years ago