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3 years ago

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Mathematics

1 answer:

aivan3 [116]3 years ago

6 0

This abosoulutly makes no snse

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An amusement park charges each person $15 for entrace into the park and $2 for each ride. Karla spent $39 total on entrance and

ValentinkaMS [17]

Answer:

Karla can ride 12 rides.

Step-by-step explanation:

39-15=24

24/2=12

5 0

2 years ago

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Find the length of side e to the nearest tenth in the triangle below.

inessss [21]

Answer:12.1

Step-by-step explanation:

Angle D=180-(82+52)

Angle D=180-134

Angle D=46

Using sine rule

e/sinE=d/sinD

e/sin52=11/sin46

e/0.7880=11/0.7193

e/0.7880=15.29

Cross multiply

e=15.29 x 0.7880

e=12.05

e=12.1 approximately

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2 years ago

Find the area of the circle

gladu [14]

Answer:

its 452.2

Step-by-step explanation:

because im right

5 0

3 years ago

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Let f(x) = x2 − 8x + 5. Find f(−1)

rewona [7]

Answer:

Step-by-step explanation:

$f(x)=x^2-8x+5$

now substitute x for -1

$f(-1)=(-1)^2-8(-1)+5$

now solve

$f(-1)=1+8+5$

$f(-1)=14$

there is your answer! hope this helps! :)

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2 years ago

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Use the divergence theorem to find the outward flux of the vector field F(xyz)= 4x^2 i + 4y^2 j + 3z^2 k across the boundary of

Pavel [41]

$\vec F(x,y,z)=4x^2\,\vec\imath+4y^2\,\vec\jmath+3z^2\,\vec k\implies\nabla\cdot\vec F=8x+8y+6z$

Let $S$ be the surface of the rectangular prism bounded by the planes $x=0$ , $x=a$ , $y=0$ , $y=b$ , $z=0$ , and $z=c$ . By the divergence theorem, the integral of $\vec F$ over $S$ is given by the integral of $\nabla\cdot\vec F$ over the interior of $S$ (call it $R$ ):