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gavmur [86]
3 years ago
11

PLEASE HELP ME YALL i’m not bout to fail this test bruh

Mathematics
2 answers:
soldier1979 [14.2K]3 years ago
5 0
Rhchridjdjxj j ndjdjdjdn no jdjd
aev [14]3 years ago
3 0

Thanks for free points goodbless

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Solve the following system using the algebraic method of substitution. Verify your solution.
kap26 [50]

I've done it on the attached pages.

I hope this helps you...

5 0
2 years ago
A 2-column table has 5 rows. The first column is labeled x with entries negative 2, negative 1, 0, 1, 2. The second column is la
Anna [14]

Answer: The answer is f(x) = 0.8(2x).

i just did the quiz and got it right

hope this helps you :)

8 0
4 years ago
What is the volume of the solid generated when the region in the first quadrant bounded by the graph of y=x^3, the x-axis, and t
son4ous [18]

Answer:

The first thing we need to do is to find the area bounded by:

y = x^3

y = 0

between:

x = 0 and x = 2

This is the integral of the given function between x = 0 and x = 2, written as:

\int\limits^2_0 {x^3} \, dx = \frac{2^4}{4}  - \frac{0^4}{4} = 2^2 = 4

This means that the area of the bounded region is 4 square units.

Now, if we do a full rotation around the x-axis, the volume generated will be equal to the area that we obtained times 2*pi units.

The volume is:

V = (4 square units)*(2*pi units) = 8*pi cubic units.

(Notice that no option coincides with this, there may be a mistake in the options)

3 0
3 years ago
Help explAin & answer
ad-work [718]
Hello,

Sorry, i don't know the theorem in English

"Théorème des angles extérieurs :
la mesure en degré d’un angle extérieur est égale à la moitié de la différence des arcs interceptés par ses côtés."
Here

2x+15=1/2(10x+20-80)
==>4x+30=10x-60
==>6x=30+60
==>6x=90
==>x=15 °

3 0
4 years ago
Two numbers are in a ratio of 5:4. Their sum is 720. Find the bigger number.
alexgriva [62]
So the numbers are x and y
x:y=5:4
x/y=5/4
this means that x is worth 5 units and y is worth 4 units so
x:y=5:4, therefore it can be represented by
x:y=5z:4z
we know that they add to 720
720=5z+4z
add like terms
720=9z
divide by 9
80=z
multiply by 4
320

80=z
mutipply by 5
400

the numbers are 400 and 320
8 0
4 years ago
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