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Illusion [34]
4 years ago
9

Hellllp me plsssssssss

Mathematics
1 answer:
LUCKY_DIMON [66]4 years ago
6 0

Answer:

Step-by-step explanation:

d and e

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Hello, please I bed urgent help with this math problem please
loris [4]

Answer:

option C

Step-by-step explanation:

4c^2 + 7c  - 5 = 0 , \ where \ a = 4 , \ b = 7 , \ x = - 5

c = \frac{- b \pm \sqrt{b^2 - 4ax }}{2a} \\\\c = \frac{- 7 \pm \sqrt{49 - ( 4 \times 4 \times - 5 )}}{2 \times 4} \\\\c = \frac{- 7 \pm \sqrt{49  + 80}}{8} \\\\c = \frac{- 7 \pm \sqrt{49  + 80}}{8} \\\\c = \frac{- 7 \pm \sqrt{129}}{8} \\\\

4 0
3 years ago
Read 2 more answers
Un ascensor sube desde el primer piso al quinto piso, baja al segundo, sube al octavo. Si cada piso tiene 3 metros de altura, ¿c
german

Answer:

El ascensor recorrió unos 39 metros

Step-by-step explanation:

Segun la pregunta cada cada piso tiene 3 metros de altura, por lo tanto para calcular los metros que recorrió el ascensor tenemos que hacer el siguiente calculo:

metros desde el primer piso al quinto piso=3 metros*4=12 metros

metros desde el quinto piso al segundo piso=3 metros*3=9 metros

metros desde el segundo piso al octavo piso=3 metros*6=18 metros

Por lo tanto los metros que recorrió el ascensor=12 metros+9 metros+18 metros

metros que recorrió el ascensor=39 metros

El ascensor recorrió unos 39 metros

8 0
3 years ago
The objective is to
ad-work [718]

Answer:

atupagin mo module mo wag puro brainly

5 0
3 years ago
At a game booth, a student gets a box of candy as the prize for winning a game. The boxes come in four colors: white, red, green
galben [10]
Your answer is:

P\left( E \right) =\frac { 10 }{ 40 } \times \frac { 9 }{ 39 }

This is because there are 40 boxes in total. The chance of a white box being handed out is 10/40. If a white box is handed out as a prize, there are going to be 39 boxes left, but only 9 of those 39 boxes would be white.

Ideally, tree diagrams should be used to solve such problems.
7 0
4 years ago
Read 2 more answers
Example 2 - A rectangle, whose perimeter is two hundred eight feet, has a width that is six feet
kicyunya [14]

Answer:

L=55 ft,  W=49 ft

Step-by-step explanation:

W=L-6

perimeter= 2L+2W

208=2(L-6)+2L

L=55

W=55-6

=49

8 0
3 years ago
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