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lions [1.4K]
2 years ago
13

Solve the equation. c4−5=4

Mathematics
1 answer:
nika2105 [10]2 years ago
7 0

Answer:

4c - 5 = 4

4c = 9

c  = \frac{9}{4}

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HELP
Firdavs [7]

Answer:

4-4=0

16-6-10=0

17-3-4-10=0

1-2+1=0

Step-by-step explanation:

4 0
3 years ago
Which method is best using this equation 4x-2y=-2,-5x+6y=-15 and why
kipiarov [429]
I think that using the elimination method is the best, because it is the only method that I use when solving these types of equation. For example, for these two equations, you need to multiply one of the equations by a certain number so that you'd be able to find x and y. The elimination method is the method that tells you to do that. It is also the easiest method.

~Hope I helped!~
8 0
3 years ago
Aurora hit a baseball with an initial velocity of 70 feet per second at an angle of 30° with the horizontal. The ball hit her ba
snow_tiger [21]

Answer:

See below

Step-by-step explanation:

Y component of velocity is 70 sin 30°

y position =   3  + 70 sin 30°  * t    - 1/2 a t^2

 when the ball hits the ground  y = 0

       0 = 3 + 70 sin 30°  t  - 1/2 (32.2)t^2

           - 16.1 t^2 + 35t + 3 = 0  

                    Use Quadratic Formula to find t = <u>2.26 seconds</u>

Horizontal component of initial velocity

 70 cos 30°             distance horizontal = 70 cos 30°  * t

                                   = 70 cos 30°  (2.26) =<u> 137.0 ft</u>

                     

4 0
2 years ago
There are 12 singers standing. there are 7 less standing than is sitting. how many are sitting?
damaskus [11]

There are 19 singer sitting

7 0
3 years ago
On a circle of radius 10 feet, what angle would subtend an arc of length 1 feet?
Alenkasestr [34]
\bf s=\cfrac{r\theta \pi }{180}\quad &#10;\begin{cases}&#10;r=radius\\&#10;\theta=\textit{angle in degrees}\\&#10;s=\textit{arc's length}\\&#10;--------------\\&#10;r=10\\&#10;s=1&#10;\end{cases}&#10;\\\\\\&#10;1=\cfrac{10\cdot \theta\cdot \pi }{180}\impliedby \textit{solve for }\theta
6 0
3 years ago
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