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Zolol [24]
2 years ago
7

Send help...I know what to do but like...

Mathematics
1 answer:
AleksAgata [21]2 years ago
6 0

Answer:

a=-4,000m+39,000

Step-by-step explanation:

substitute the 4 in for m to do -4000 x 4 = -16000

-16000+39000 = 23000

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A rectangular prism has a length of 6 meters, a height of 8 meters, and a width of 5 meters. What is its volume, in cubic meters
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Answer:

240

Step-by-step explanation:

length x width x height

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2 years ago
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Arianna has a coin collection. She keeps 4 of the coins in her box, which is 10% of the
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How many roots does this has?<br>x^2+(2√5x)+2x=-10​<br>find Discriminant
Alexxandr [17]

Given:

The equation is

x^2+(2\sqrt{5})+2x=-10

To find:

The number of roots and discriminant of the given equation.

Solution:

We have,

x^2+(2\sqrt{5})x+2x=-10

The highest degree of given equation is 2. So, the number of roots is also 2.

It can be written as

x^2+(2\sqrt{5}+2)x+10=0

Here, a=1, b=(2\sqrt{5}+2), c=10.

Discriminant of the given equation is

D=b^2-4ac

D=(2\sqrt{5}+2)^2-4(1)(10)

D=20+8\sqrt{5}+4-40

D=8\sqrt{5}-16

D\approx 1.89>0

Since discriminant is 8\sqrt{5}-16\approx 1.89, which is greater than 0, therefore, the given equation has two distinct real roots.

3 0
3 years ago
Simify
Harlamova29_29 [7]

Step-by-step explanation:

1. -9x - 3 - 3 + 2x

-7x - 6

3. 3 - 4x - 7x - 2

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2 years ago
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maks197457 [2]
Yeah man nearly there
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