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2 years ago

Will give brainliest! Please help

Mathematics

1 answer:

Mashutka [201]2 years ago

7 0

Answer: 1,2,3,4,5

1a,3b,5c,2d

Step-by-step explanation:

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Pls help 30 points 7th grade math

Vlada [557]

Z>7 I think that’s the answer let me know if it’s right or not

5 0

3 years ago

Becky is renting a car for her vacation. The rental costs $350 per week plus 20 cents per mile. If Becky can spend no more than

sattari [20]

I believe it's 750

Hope this helped!

8 0

3 years ago

25 - 5 x 2^2 + 1 will give brainliest!

GREYUIT [131]

Answer:

-20x+26

Step-by-step explanation:

$25-5x\cdot \:2^2+1\\-2^2\cdot \:5x+26\\-20x+26$

5 0

2 years ago

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Find the mass of the triangular region with vertices (0, 0), (3, 0), and (0, 1), with density function ρ(x,y)=x2+y2.

ololo11 [35]

Since density is the ratio of mass to (in this case) area, we can find the mass of the triangular region $\mathcal T$ by computing the double integral of the density function over $\mathcal T$ :

$\mathrm{mass}=\displaystyle\iint_{\mathcal T}\rho(x,y)\,\mathrm dx\,\mathrm dy$

The boundary of $\mathcal T$ is determined by a set of lines in the $x,y$ plane. One way to describe the region $\mathcal T$ is by the set of points,

$\mathcal T=\left\{(x,y)\mid0\le x\le 3\,\land\,0\le y\le1-\dfrac x3\right\}$

So the mass is

$\mathrm{mass}=\displaystyle\int_{x=0}^{x=3}\int_{y=0}^{y=1-x/3}(x^2+y^2)\,\mathrm dy\,\mathrm dx$

$=\displaystyle\int_{x=0}^{x=3}\left(x^2y+\frac{y^3}3\right)\bigg|_{y=0}^{y=1-x/3}\,\mathrm dx$

$=\displaystyle\int_{x=0}^{x=3}\left(x^2\left(1-\frac x3\right)+\frac{\left(1-\frac x3\right)^3}3\right)\,\mathrm dx$

$=\displaystyle\frac1{81}\int_0^3(27-27x+90x^2-28x^3)\,\mathrm dx=\frac52$

6 0

3 years ago

Ninety percent of the team members played in the game.If 18 players played,how many team members did not play?

Lubov Fominskaja [6]

Answer:

i think the answer is 2

Step-by-step explanation:

if you divide 18 /90 you get 0.2 then you multipliy itby 10 and get 20

8 0

3 years ago

Read 2 more answers