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2 years ago

Rachael and Theodore plant a sunflower.

Mathematics

1 answer:

e-lub [12.9K]2 years ago

3 0

Theodore would be closer .6 is what it grows in a week

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Decide whether the equations is a trigonometric function identity, EXPLAIN.

hodyreva [135]

(1) Answer: Identity true

$\cos^2x(1+\tan^2x)=\cos^2x(1+\frac{sin^2x}{cos^2x})=\\= \cos^2x\frac{cos^2x+sin^2x}{cos^2x}=1$

(2) Answer: Identity true

$\sec x \tan x(1-\sin^2x)=\sin x\\\frac{1}{\cos x}\frac{\sin x}{\cos x}(\cos^2x)=\sin x\\\sin x = \sin x$

(3) Answer: Identity true

$\sin^2(\theta)\csc^2(\theta)=\sin^2(\theta)+\cos^2(\theta)\\\sin^2(\theta)\frac{1}{\sin^2(\theta)}=\sin^2(\theta)+\cos^2(\theta)\\1 = 1$

7 0

3 years ago

How do I solve -8>16?

tatuchka [14]

Answer:

18 is greater than 16

Step-by-step explanation:

4 0

3 years ago

How to estimate 348?

schepotkina [342]

348 rounded to tens place = 350
348 rounded to hundreds place = 300 (possibly 400)

4 0

3 years ago

Find the value of x?

Marrrta [24]

Step-by-step explanation:

180-89=91(angles on a straight lline)

5x-24=91(Corresponding angles)

5x =91+24

5x =115

x =23 degrees

94+13x-5=180(allied angles)

94+13x-5 =180-94+5

13x =91

x=7

7(x-7)=7x-49

7x-49=126(corresponding angles)

7x =126+49

7x=175

x=25

Hope you got it

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5 0

3 years ago

Show me this problem solved on paper?

Genrish500 [490]

Answer:

345 ×12 = 4140

Step-by-step explanation:

$345 * 2 = 690\\345 * 10 = 3450\\690 + 3450 = 4140.$

hope this helps

7 0

3 years ago

Read 2 more answers