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n200080 [17]
2 years ago
8

MNOP is a trapezoid with median QR. Find x

Mathematics
1 answer:
nikitadnepr [17]2 years ago
5 0

\bf  \large \rightarrow \: \:2x \:  +  \: 8 \:  =  \: 0

\bf  \large \rightarrow \: \:x \:  =  \:  \frac{8}{2}  \\

\bf  \large \rightarrow \: \:x \:  =  \:    \cancel\frac{ 8}{ 2} \:   \: ^{4}   \\

\bf  \large \rightarrow \: \:x \:  =  \:  4

Option ( A ) is the correct answer.

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Rani had Rs800 left after spending 75% of her money.How much money did she have in the beginning?
hram777 [196]

Answer:

  • Rs. 3200

Step-by-step explanation:

Money left Rs. 800

Money spent = 75%

  • Rs 800 = 25%
  • 800 = 0.25x
  • x = 800/0.25
  • x = 3200

Initial amount was Rs. 3200

6 0
3 years ago
This is the problem:Brooke has to set up 70 chairs in equal rows for the class talent show.But ,there is not room for more than
Leni [432]

10 in each row, 7 in each row
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3 years ago
Read 2 more answers
4. Add<br> f(x)= 4x?+5x-1<br> g(x) = 2x2 + 5x+3
Maurinko [17]
<h3>Answer:</h3>

A. 3x² +6

<h3>Explanation:</h3>

(f-g)(x) = f(x) -g(x) = (4x²+1) -(x²-5) . . . . . substitute the function definitions

... = 4x² +1 -x² +5 . . . . . . . . . . . eliminate parentheses

... = (4-1)x² +(1+5) . . . . . . . . . . . collect like terms

... = 3x² +6

6 0
2 years ago
A house has increased in value by 37% since it was purchased. If the original value was $720, 000, what is the value after the i
STALIN [3.7K]

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Step-by-step explanation:

8 0
2 years ago
) Set up a double integral for calculating the flux of F=3xi+yj+zk through the part of the surface z=−5x−2y+2 above the triangle
Fynjy0 [20]

The surface (call it S) is a triangle with vertices at the points

x=0,y=0\implies z=2\implies(0,0,2)

x=0,y=2\implies z=-2\implies(0,2,-2)

x=2,y=0\implies z=-8\implies(2,0,-8)

Parameterize S by

\vec s(u,v)=(1-v)(2,0,-8)+v\bigg((1-u)(0,2,-2)+u(0,0,2)\bigg)=(2-2v,2v-2uv,-8+6v+4uv)

with 0\le u\le1 and 0\le v\le1. Take the normal vector to S to be

\vec s_v\times\vec s_u=(20v,8v,4v)

Then the flux of \vec F across S is

\displaystyle\iint_S\vec F(x,y,z)\cdot\mathrm d\vec S=\int_0^1\int_0^1\vec F(x(u,v),y(u,v),z(u,v))\cdot(\vec s_v\times\vec s_u)\,\mathrm du\,\mathrm dv

=\displaystyle\int_0^1\int_0^1(6-6v,2v-2uv,-8+6v+4uv)\cdot(20v,8v,4v)\,\mathrm du\,\mathrm dv

=\displaystyle8\int_0^1\int_0^1(11v-10v^2)\,\mathrm du\,\mathrm dv=\boxed{\frac{52}3}

8 0
3 years ago
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