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Lena [83]
3 years ago
14

I need help with 3) and 4)

Mathematics
1 answer:
ratelena [41]3 years ago
6 0
3) Triangle = 180 degrees 
180= 55+90+x
180=145+x
-145    -145
35=x
x=35 degrees

4) 1 liter = 1000 ml
Emilee drink more
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Evaluate u + xy, for u = 20, x = 9, and y = 8
elena-14-01-66 [18.8K]
This is how you work it out:
u + xy
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20 + 9 * 8
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Find three consecutive odd integers so that the sum of twice the first, the second
netineya [11]

Answer: 23, 25, 27

Step-by-step explanation:

Let the 3 consecutive odd numbers be x, x+2 and x+4.

So

2x+(x+2)+3(x+4)=152

2x + x + 2 + 3x + 12 = 152

6x+14=152

6x = 152 - 14

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x=23

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3 years ago
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Anna007 [38]

ANSWER

36√3 square units.

EXPLANATION

The area of a parallelogram is obtained by multiplying the base by the height.

We use the sine ratio to obtain the height.

\sin(60 \degree)  =  \frac{h}{6}

h = 6 \sin(60 \degree)

h = 3 \sqrt{3}

The area becomes:

12 \times 3 \sqrt{3}  = 36 \sqrt{3} {units}^{2}

4 0
3 years ago
Write a proportion that you can use to convert 60 inches to centimeters.
krok68 [10]
2.54 cm/ 1 in = 60 in/ 1. Then you would multiply 2.54 by 60 and get 152.4 cm
7 0
3 years ago
HELP ASAP!! What is the average rate of change between x = -3 and x = 4 for the equation y = 8x2?
Llana [10]

Answer:

x=-3\\y=8(-3)^2\\y=8(9)\\y=72

x=4\\y=8(4)^2\\y=8(16)\\y=128

128-72=56

average rate of change is 56

Step-by-step explanation:

Plz let me know if im right

3 0
2 years ago
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