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12345 [234]
3 years ago
5

Find the value of a.

Mathematics
2 answers:
Sedbober [7]3 years ago
8 0

Answer:

7

Step-by-step explanation:

Hope this helped!

podryga [215]3 years ago
7 0
7 I think hope this helps you
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Eight people are entered in a race. If there are no ties, in how many ways can the first three places come out?
Arte-miy333 [17]
There are 24 different ways that the race could end up
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4 years ago
Evaluate  
Juli2301 [7.4K]
The answer is b, -54
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3 years ago
Tony’s credit card statement says that he must pay a minimum payment of 15% or $20 whichever is greater. How much will he pay if
True [87]

Answer: $20.84

Step-by-step explanation: In order to calculate Tony’s minimum payment you need to calculate how much 15% is of his balance.

138.90 x .15 = $20.84, which is 15% of his balance.

The minimum payment is the greater of 15% or $20, so his minimum payment will be $20.84.

6 0
3 years ago
Read 2 more answers
Eric was attempting to construct a perpendicular bisector to the segment AB with a
matrenka [14]

Erick just needed to open the compass more to create arcs that have a radius of more than half the length of the segment AB. Option C

<h3>Steps in constructing a perpendicular bisector</h3>

The steps involved in constructing a perpendicular bisector are:

  • Draw a line segment XY of any appropriate length.
  • Take a compass, and with X as the center and with more than half of the line segment XY as width
  • Draw arcs above and below the line segment.
  • Repeat the same step with Y as the center.
  • Label the points of intersection as 'P' and 'Q'

Thus, Erick just needed to open the compass more to create arcs that have a radius of more than half the length of the segment AB. Option C

The complete question

Eric was attempting to construct a perpendicular bisector to the segment AB with a compass and straight edge. Which of the below statements explains what Eric may have done wrong?

a. Eric should have started by putting the compass needle point at the midpoint of the segment AB.

b. On the second step, Eric should have placed the compass needle point where the first arc intersected the segment AB.

c. Erick just needed to open the compass more to create arcs that have a radius of more than half the length of the segment AB.

d. Erick didn’t do anything wrong he just needs to connect the opposite endpoints of each arc to finish the construction.

Learn more about perpendicular bisectors here:

brainly.com/question/11006922

#SPJ1

4 0
2 years ago
An object is thrown upward from the top of a building with an initial velocity of 48 feet per second. The height h of the object
Lubov Fominskaja [6]

Answer:

5 secs

Step-by-step explanation:

The height of the object is given as:

h = -16t^2+48t+160

The moment when the object hits the ground, the height of the object will be 0 m.

Hence:

0 = -16t^2+48t+160

Solving this for t:

Divide through by 16 and move all parameters to the left hand side:

t^2-3t-10 = 0

t^2 - 5t + 2t - 10 = 0\\\\\\t(t - 5) + 2(t - 5) = 0\\\\\\(t + 2)(t - 5) = 0\\\\\\=> t = -2, 5

Since time cannot be negative, time, t = 5 secs.

The object will hit the ground after 5 secs.

5 0
3 years ago
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