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Umnica [9.8K]
2 years ago
14

20 plants were mesured and their heights recorded in cm. here are the heights: 13.2 17 4.8 15.6 12 8.5 11.1 9.9 17.4 14.7 12.6 7

.7 13.5 14 9.5 9.8 10 11.3 6.9 5. complete the frequency tabel.
Mathematics
1 answer:
GaryK [48]2 years ago
7 0

Answer:

hi there I have.

Step-by-step explanation:

the train leaves at 6.30. unfortunately the flight is delayed.

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To raise money for new uniforms, the band boosters sell t-shirts and hats. The cost and sale price of each item is shown. The bo
Mila [183]
Found the problem:
Item     Cost       Sales Price
T-shirt    6                10
hats       4                  7

Let x = t-shirts, y = hats

6x + 4y = 2,000
10x + 7y = 3,375

4y = 2000 - 6x
y = 2000/4 - 6x/4
y = 500 - 3x/2

10x + 7y = 3,375
10x + 7(500 - 3x/2) = 3,375
10x + 3500 - 21x/2 = 3,375
10x - 10.5x = 3,375 - 3500
-0.5x =  -125
-0.5x / -0.5 = -125/-0.5
x = 250 shirts

They will need 250 shirts.
5 0
3 years ago
Simplify √20 x √ 43 x √18
Alecsey [184]

Answer: 6\sqrt{430}

Explanation:

\sqrt{20}\sqrt{43} \sqrt{18}=\sqrt{2^25\cdot43\cdot3^22}=6\sqrt{430}

5 0
3 years ago
Solve for x……………………….
Jobisdone [24]

Answer:

66

Step-by-step explanation:

Find other side:

116 + x = 180

-116        -116

------------------

      x = 64

Find missing triangle angle:

50 + 64 + x = 180

114 + x = 180

-114        -114

-------------------

       x = 66

Hope this helped.

4 0
3 years ago
Read 2 more answers
If f(1)=2f(1)=2 and f(n)=f(n-1)^2-n
katrin [286]

Answer:

f(4)=-3

Step-by-step explanation:

f(1)=2

f(n)=f(n-1)^2-n

If n=2

f(2)=f(2-1)^2-2

f(2)=f(1)^2-2

f(2)=2^2-2

f(2)=4-2

f(2)=2

If n=3

f(3)=f(3-1)^2 - 3

f(3)=f(2)^2 - 3

f(3)=2^2-3

f(3)=4-3

f(3)=1

if n=4

f(4)=f(4-1)^2 - 4

f(4)=f(3)^2 - 4

f(4)=1^2 - 4

f(4)=1-4

f(4)=-3

6 0
3 years ago
Evaluate the expression when x=6 and y=4.
Oliga [24]
3(4)+6
12+6
The answer is 18
6 0
3 years ago
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