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photoshop1234 [79]
3 years ago
8

Solve 90x = 81+25x^2​

Mathematics
1 answer:
qwelly [4]3 years ago
6 0

Answer:

1.8

Step-by-step explanation:

Solve for x

90

x

=

81

+

25

x

2

Subtract

25

x

2

from both sides of the equation.

90

x

−

25

x

2

=

81

Subtract

81

from both sides of the equation.

90

x

−

25

x

2

−

81

=

0

Factor the left side of the equation.

Tap for more steps...

−

(

5

x

−

9

)

2

=

0

Multiply each term in

−

(

5

x

−

9

)

2

=

0

by

−

1

Tap for more steps...

(

5

x

−

9

)

2

=

0

Set the

5

x

−

9

equal to

0

.

5

x

−

9

=

0

Solve for

x

.

Tap for more steps...

x

=

9

5

The result can be shown in multiple forms.

Exact Form:

x

=

9

5

Decimal Form:

x

=

1.8

Mixed Number Form:

x

=

1

4

5

Upgrade to

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Step-by-step explanation:

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3 years ago
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8 0
4 years ago
Sales for a business were 3 million dollars more the second year than the first, and sales for the third year were double the sa
s344n2d4d5 [400]

Answer:

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Step-by-step explanation:

see the explanation attached above

3 0
3 years ago
Someone help me ?? Please
algol13

Answer:

The correct answer is first option  6 units

Step-by-step explanation:

From the figure we can see a rectangle was mediated to crerate A'B'C'D'

<u>To find the value of AB</u>

AB = ?

A'B' = 15 units

BC = 3.8 units

B'C' = 9.5 units

From the figure we can write,

A'B'/AB = B'C'/BC

15/AB = 9.5/3.8

AB = (15 * 3.8)/9.5 = 6 units

Therefore the correct answer is first option 6 units

8 0
3 years ago
at the factory, a baseballcard is placed in every 9th package of cereal. a football card is placed in every 25th package of the
Anvisha [2.4K]
I believe that is gonna be the 225 package.
Thats the lowest number that both 25 and 9 go into
6 0
4 years ago
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