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Nitella [24]
3 years ago
12

PLEASE HELP ME! THIS IS DUE AT 5, AND IM RLLY CONFUSED. I NEED TO SHOW WORK AS WELL. I WILL GIVE BRAINLIEST AND 20 POINTS

Mathematics
1 answer:
levacccp [35]3 years ago
7 0

Answer:

1. Andrew- 24

  Brandon-  6      

  Carlo- 10

  oh god idk

2. he would have to get 100% because 90+90=180 and 180-80-100 and so 100+80=180 and 180/2=90 so 100%

3. 92.6 because 90+98+96+94+85=463 and 463/5=92.6 and 463+92.6=555.6 and 555.6/6 is 92.6 which is ultimately 92

4. idk understand stem and leaf plots but this is how you find a median

The median is also the number that is halfway into the set. To find the median, the data should be arranged in order from least to greatest. If there is an even number of items in the data set, then the median is found by taking the mean (average) of the two middlemost numbers.

Step-by-step explanation:

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. A fence encloses a triangular field. There is
poizon [28]

Answer:

  • 16 posts

Step-by-step explanation:

<u>Sides are:</u>

  • 20 ft, 25 ft and 35 ft

<u>There are following number of posts on each of the sides:</u>

  • 20 ft side ⇒ 20/5 = 4
  • 25 ft side ⇒ 25/5 = 5
  • 35 ft side ⇒ 35/5 = 7

<u>Total number:</u>

  • 4 + 5 + 7 = 16 posts
6 0
3 years ago
The mean age of a student book club is 14.2 years. A 27-year-old teacher is invited to join the club. How does the teacher’s age
MAXImum [283]
The new mean age will be greater than 14.2 years because the teacher is older than the previous mean.
3 0
3 years ago
Read 2 more answers
Which of the following are ordered pairs for the equation y = -4x + 5? (0,5) (1,1) (-1,9) (0,5) (-1,-1) (-1,-9) (0,5) (1,-1) (-1
Brut [27]

The first one  is your answer because if you plug into the cal it shows the x and y table and it shows that the first one is correct.

5 0
3 years ago
Given that 2x+7=27 and 3x+1=28, does 2x+7=3x+1? explain
diamong [38]
\left[x \right] = \left[ 6\right][x]=[6] totally answer
5 0
2 years ago
Two cables support a 800​-lb ​weight, as shown. Find the tension in each cable.
jeka94

Answer:

  • 892 lb (right)
  • 653 lb (left)

Step-by-step explanation:

The weight is in equilibrium, so the net force on it is zero. If R and L represent the tensions in the Right and Left cables, respectively ...

  Rcos(45°) +Lcos(75°) = 800

  Rsin(45°) -Lsin(75°) = 0

Solving these equations by Cramer's Rule, we get ...

  R = 800sin(75°)/(cos(75°)sin(45°) +cos(45°)sin(75°))

     = 800sin(75°)/sin(120°) ≈ 892 . . . pounds

  L = 800sin(45°)/sin(120°) ≈ 653 . . . pounds

The tension in the right cable is about 892 pounds; about 653 pounds in the left cable.

_____

This suggests a really simple generic solution. For angle α on the right and β on the left and weight w, the tensions (right, left) are ...

  (right, left) = w/sin(α+β)×(sin(β), sin(α))

5 0
2 years ago
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