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vodomira [7]
3 years ago
8

Name

Mathematics
1 answer:
ivann1987 [24]3 years ago
7 0

Answer:

6. 10^3   ten to the third power

7. 10^5  ten to the fifth power

8.  not sure

10. 60

19. 20

11-13: not sure

and i can't understand the rest

Step-by-step explanation:

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Ali, Ben, and Carla made a total of 20 sandwiches. Ben
nordsb [41]

Of the 20 sandwiches prepared by Ali, Ben and Carla, Ali made a total of A) two sandwiches

Information of the problem:

  • Total of sandwiches: 20
  • Ali = x
  • Ben = 3x
  • Carla = 2*(3x)

To solve this problem we have to state the equation using the information of the problem:

Total of sandwiches = Ali + Ben + Carla

20 = x + 3x + 2*(3x)

20 = x + 3x + 6x

20 = 10x

x = 20 / 10

x = 2

Substituting the (x) value into the information of the problem we get:

Ali = 2 sandwiches

Ben = 3*2 = 6 sandwiches

Carla = 2*(3*2) = 2*6 = 12 sandwiches

<h3>What is an equation?</h3>

An equation is the equality between two algebraic expressions, which have at least one unknown or variable.

Learn more about equation at: brainly.com/question/2972832 and brainly.com/question/27815607

#SPJ4

8 0
2 years ago
The graph of the equation y=−5x+b goes through the point A(5, −2). Find the value of b.
Furkat [3]

\bf y=-5x+b\impliedby \begin{array}{|c|ll} \cline{1-1} slope-intercept~form\\ \cline{1-1} \\ y=\underset{y-intercept}{\stackrel{slope\qquad }{\stackrel{\downarrow }{m}x+\underset{\uparrow }{b}}} \\\\ \cline{1-1} \end{array}\qquad \qquad \stackrel{therefore}{m=-5} \\\\[-0.35em] ~\dotfill\\\\


\bf A(\stackrel{x_1}{5}~,~\stackrel{y_1}{-2})~\hspace{10em} slope = m\implies -5 \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-(-2)=-5(x-5)\implies y+2=-5x+25 \\\\\\ y=-5x+25-2\implies y=-5x+\stackrel{\stackrel{b}{\downarrow }}{23}

5 0
3 years ago
Two forces with magnitudes of 100 and 50 pounds act on an object at angles of 50° and 160°, respectively. Find the direction and
shusha [124]
Forces in direction x:
 
fx1 = 100 * cos (50) = 64.28
 fx2 = 50 * cos (160) = - 46.99
 The resultant is:
 fx = fx1 + fx2 = 17.29

 Forces in direction y:
 
fy1 = 100 * sine (50) = 76.60
 fy2 = 50 * sine (160) = 17.10
 The resultant is:
 fy = fy1 + fy2 = 93.70
 The magnitude of the resulting force is:
 
f = root (fx ^ 2 + fy ^ 2)
 f = root ((17.29) ^ 2 + (93.70) ^ 2)
 f = 95.28
 The angle is:
 
theta = atan (fy / fx)
 theta = atan (93.70 / 17.29)
 theta = 79.55 degrees
 Answer:
 
The direction and magnitude of the resultant force are:
 
f = 95.28 pounds at theta = 79.55 degrees
6 0
3 years ago
Help plsss ^ _ ^ ….. !
Alex73 [517]
X=6 answer is d. Put all x in one side then add them. At last divide it will be 6 Hope this helps
5 0
3 years ago
Read 2 more answers
how many mL of normal saline should be added to 50mL of hydrogen peroxide to create a solution that is 5/8 strength?
shusha [124]
1.5
I think… hope I’m right lol
5 0
2 years ago
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