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statuscvo [17]
4 years ago
9

Help 15 points to brainlist that answers also please give me 2 formulas for this

Mathematics
1 answer:
kakasveta [241]4 years ago
7 0
Area rectangle: L * W
5 * 9
Area triangle: (1/2) * b * h
(1/2) * 3 * 4

Rectangle = 45
Triangle = 6
45 + 6 = 51 cm^2
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IF YOU ANSWER ALL OF THIS ILL MARK YOU BRAINLIST NO CAP!
Zielflug [23.3K]
  1. 1) 4 = 16 divided by n
  2. k + 5 = 11
  3. x - 2 = 7
  4. 7 times a = 42
  5. 6 = 1/3 times s
  6. r times 13 = 17
  7. b - 5 = 16
  8. No. It should be 24 = 8 times x
  9. 217 - x = 36
  10. p = 8180 - 6780

Step-by-step explanation: Cause it is

6 0
3 years ago
Calculate the estimate of the mean height of the students in cm and explain your answer
Zolol [24]

Step-by-step explanation:

we find the average height of each height first,

t¹= (120+124)/2

=244/2

=122

t²= (124+128)/2

t²= 252/2

t²= 126

t³= (128+132)/2

t³= 260/2

t³= 130

t⁴= (132+136)/2

t⁴= 268/2

t⁴ =134

t⁵= (136+140)/2

t⁵= 276/2

t⁵= 138

so multiplying each height by its frequency we can find the total height, so we have..

total height= (122*7)+(126*8)+(130*13)+(134*9)+(138*3)

= 854+1008+1690+1206+414

= 5172

mean height = total height/total frequency

= 5172/40

=129.3

8 0
3 years ago
State whether the data described below are discrete or continuous, and explain why. The numbers of police cars different cities
Troyanec [42]

Answer:

Option d

Step-by-step explanation:

Continuous data are data that can take on any values within a range while discrete data can only take on particular values.

Thus for this case study, the number of police cars in different cities are usually not specific and may vary, thus this data is continuous.

8 0
3 years ago
A number is multiplied by 5. If 12 is added to the product you get 37.
Korolek [52]


5x+12=37

5x=25

x=5

I hope this helps


5 0
4 years ago
A bag contains
nordsb [41]

if you add up all the marbles and then put it as the denominator then put 2 on top. divide. then do the same except this time take 1 minus the amount of total marbles . put it as the denominator and then 2 on top. divide. next take both numbers and make them a fraction. turn to simplest form. ithink

8 0
3 years ago
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