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Effectus [21]
3 years ago
11

10x + 3x - 87 = -10x + 57

Mathematics
2 answers:
lutik1710 [3]3 years ago
7 0

Answer:

x = 6.2608

Step-by-step explanation:

23x=144

Marta_Voda [28]3 years ago
3 0

Answer:

I think the answer is 6.26086565

Step-by-step explanation:

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An architectural engineer is designing a parabola dome that will be 200 feet in diameter with a max height of 50 feet. find the
il63 [147K]

Answer:

y = -0.005x² + 50

Step-by-step explanation:

The diameter is 200 feet, so the parabola has roots at (-100, 0) and (100, 0).  The maximum height is 50, so the vertex of the parabola is at (0, 50).

Using vertex form of a parabola:

y = a (x − h)² + k

y = a (x − 0)² + 50

y = ax² + 50

Plugging in either root:

0 = a (100)² + 50

a = -0.005

y = -0.005x² + 50

5 0
3 years ago
Jenna+has+five+less+stamps+than+horacio.+gary+has+half+the+number+that+horacio+had.+all+together+they+have+a+total+of+75+stamps
nexus9112 [7]
Haracio has 32 stamps. Jenna has 27 stamps. Gary has 16. You can solve this using matrices.
4 0
3 years ago
Simplify this rational expression. 2x^2+5x+3/2x^2-x-3
Murljashka [212]

Answer:

2x+3/2x-3

Step-by-step explanation:

firstly we make two steps to simplify this question.

1st step: simplify 2x^{2} +5x+3

to simplify this we use factorization

2x^{2} +2x+3x+3

2x(x+1) +3(x+1)

(2x+3) (x+1)        .....(1)

2nd step:simplify 2x^{2} -x-3

2x^{2} +2x-3x-3

2x(x+1)-3(x+1)

(2x-3)(x+1)          .....(2)

now dividing (1) and  (2), we get the answer

2x+3/2x-3

5 0
3 years ago
What percent of 650 is 2?<br><br> I know the answer I just want the process
Novay_Z [31]
Ok you’ll know that it’s 0.31%

Explanation:
The process is start by making it into a fraction, 2/650 then divide 2 by 650 to get 0.0031 (I rounded up) which to make it into a percentage, you move everything two spot closer to the “.”
0.31 then add a % and bam that’s the answer.
Hope this helps!
8 0
3 years ago
Read 2 more answers
A teenager earns $10 for every 600 square feet mowed in addition to $12 for supplies for each lawn he mows. Which function repre
anzhelika [568]

Answer: b

Step-by-step explanation: 600 is the total so, just do 10x and 12

5 0
3 years ago
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