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Studentka2010 [4]
3 years ago
13

Nick planted a cedar tree. It grew 10 cm in ½ of a year. What will the height of the tree be at the end of 6 years?

Mathematics
1 answer:
user100 [1]3 years ago
7 0

Answer:

120 cm

Step-by-step explanation:

1/2 is 6 months and 6 years are 72 months.

Using the rule of three, 10 cm is to 6 months what x is for 72 months so

x = (72 * 10) / 6 = 120

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Please answer thanks ​
galina1969 [7]

Answer:

a

Step-by-step explanation:

I believe it is answer a. the helicopter is the distance in the air that it is cruising and the angle is how it has to begin its decent down to the fireman

8 0
3 years ago
Read 2 more answers
Without solving, determine whether the solution of x = 21 is greater than or less than 21. Explain.
astraxan [27]

Answer:

Without solving, the solution is greater than 21.  The can be proven because a fraction of x is equal to 21, therefore x cannot be less than 21.  

Step-by-step explanation:

7 0
2 years ago
Geometry)) Find the value of x
Harlamova29_29 [7]

Answer:

\tt x=14

Step-by-step explanation:

\tt 6x+6=90

\tt 6x+6-6=90-6

\tt 6x=84

\tt \cfrac{6x}{6} =\cfrac{84}{6}

\tt x=14

~

8 0
2 years ago
Rewrite the fractions with their LCD.
masya89 [10]
Well the best answer for LCD is \frac{2}{5x+15y} is 5(x+3y) and the best answer for LCD is \frac{1}{2x+6y} is 2(x+3y) 

I hope this helps!
7 0
3 years ago
Guys please help! In triangle CDE, the measure of angle C is 90 degrees, side CD is 15 and DE is 3 more than CE. Find the length
AURORKA [14]
You can calculate it using the law of cosines: c^2=a^2+b^2-2*a*b*cos(C)

your triangle is
CD=15=a
CE=?=b
DE=CE+3=b+3=c
and C=90°

-> insert those values, with c substituted with b+3 to remove c

c^2=a^2+b^2-2*a*b*cos(C)
(b+3)^2=15^2+b^2-2*15*b*cos(90)
cos(90)=0->
(b+3)^2=15^2+b^2
b^2+2*3*b+3^2=225+b^2
6b+9=225
6b=216
b=36=CE

DE=CE+3=36+3=39
4 0
3 years ago
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