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pychu [463]
3 years ago
12

At a tree farm, there are 9 rows of 36 spruce trees.In each row, 14 of the spruce trees are blue spruce. How many spruce trees a

re NOT blue spruce?
Mathematics
2 answers:
laiz [17]3 years ago
7 0

Answer:

198 spruce are NOT blue

Step-by-step explanation:

Akimi4 [234]3 years ago
6 0

Answer:

22 not blue each row.

198 = ANSWER

Step-by-step explanation:

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Expand the brackets 5(2x + 3)
zimovet [89]

Answer:

10x+15

Step-by-step explanation:

5 x 2x=10x

5x3=15

5 0
2 years ago
Read 2 more answers
Mandy divided the sum of 12 and
Aleksandr [31]

Answer:

35

Step-by-step explanation:

I hope this helps you.

12+24=38

38÷6=31

31+4=35

4 0
2 years ago
What is the factor of this problem?<br> ~plz help I cannot get this wrong !
lapo4ka [179]

Answer:

the awencer is 4.2

Step-by-step explanation:

7 0
3 years ago
A ladder leaning against the side of a building touches the building at a point 12 meters from the ground. If the foot of the la
Goryan [66]
I think the slope =21 m
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6 0
2 years ago
HELP ON THIS PROBLEM!!<br><br> Solve the following 0deg&lt; x&lt; 360deg: cos x= cos 2x
blsea [12.9K]

Answer:

x=0^\circ,120^\circ,240^\circ,360^\circ

Step-by-step explanation:

<u>Use identities to set the equation up as a quadratic</u>

\cos x=\cos 2x;\:0^\circ \leq x \leq 360^\circ\\\\\cos x=2\cos^2 x-1\\\\0=2\cos^2 x-\cos x-1

<u>Make the substitution u=cos(x) and solve the quadratic</u>

<u />0=2u^2-u-1\\\\0=(2u+1)(u-1)

\displaystyle 0=2u+1\\\\0=2\cos x+1\\\\-1=2\cos x\\\\-\frac{1}{2}=\cos x\\\\120^\circ,240^\circ=x

0=u-1\\\\0=\cos x-1\\\\1=\cos x\\\\0^\circ,360^\circ=x

Hence, x=0^\circ,120^\circ,240^\circ,360^\circ

7 0
1 year ago
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