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stepladder [879]
3 years ago
8

9. (n2 + 7n + 10) = (n + 5)

Mathematics
1 answer:
Bond [772]3 years ago
5 0

Answer:

n = -1

Step-by-step explanation:

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a wheelchair ramp has a rise from the ground of 1 foot. the ramp has a length of 14 feet. to the nearest degree, find the angle
sergey [27]
The mnemonic SOH CAH TOA helps you remember the relevant trig relationship is
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The angle the ramp makes with the sidewalk is 4°.
6 0
3 years ago
Which equation represents 4x – 3y = 15 when solved for y
andrey2020 [161]

Answer:

y=4/3x-5

Step-by-step explanation:

4x-3y=15

-4x      -4x

______________

-3y=-4x+15

----    ---  ----       (divide all by -3)

-3     -3   -3

y=4/3x-5

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3 years ago
6points and brainliest answer No.4
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3 0
3 years ago
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These figures are similar. The area of one is given. Find the area of the other. PLZ HELP
stellarik [79]

Answer:

12 in squared

Step-by-step explanation:

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So.. 24 divided by 2 is 12

6 0
2 years ago
Find the following integral
ololo11 [35]

There's nothing preventing us from computing one integral at a time:

\displaystyle \int_0^{2-x} xyz \,\mathrm dz = \frac12xyz^2\bigg|_{z=0}^{z=2-x} \\\\ = \frac12xy(2-x)^2

\displaystyle \int_0^{1-x}\int_0^{2-x}xyz\,\mathrm dz\,\mathrm dy = \frac12\int_0^{1-x}xy(2-x)^2\,\mathrm dy \\\\ = \frac14xy^2(2-x)^2\bigg|_{y=0}^{y=1-x} \\\\= \frac14x(1-x)^2(2-x)^2

\displaystyle\int_0^1\int_0^{1-x}\int_0^{2-x}xyz\,\mathrm dz\,\mathrm dy\,\mathrm dx = \frac14\int_0^1x(1-x)^2(2-x)^2\,\mathrm dx

Expand the integrand completely:

x(1-x)^2(2-x)^2 = x^5-6x^4+13x^3-12x^2+4x

Then

\displaystyle\frac14\int_0^1x(1-x)^2(2-x)^2\,\mathrm dx = \left(\frac16x^6-\frac65x^5+\frac{13}4x^4-4x^3+2x^2\right)\bigg|_{x=0}^{x=1} \\\\ = \boxed{\frac{13}{240}}

4 0
2 years ago
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