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3 years ago

I promise a FAN AND A MEDAL!!!!!!

1 answer:

4 0

Sarah's conclusion is invalid, because she is testing two variables at once without a control value. In order for the experiment to be valid, Sarah should either apply the same soil to both areas (assuming they are, in fact, the same). Or, she should water both equally. At this time, we don't know if B grew "better" due to the brand or the amount of water received.

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What is the slope of the line? AS SOON AS POSSIBLE PLEASE!!

expeople1 [14]

3/3 or it could be 1

4 0

2 years ago

What’s the answer to this?

inna [77]

Since the triangle is equilateral, all its angles are equal to 60°

AO is the bisector⇒∠OAD = 30°

AO is the hypotenuse, ∠OAD = 30°⇒

OD=5*2=10m

By the Pythagorean theorem

$10^2=AD^2+5^2\\AD=\sqrt{100-25} \\AD=\sqrt{75}$

$AC=AD+DC=2\sqrt{75}=10\sqrt{3}$

$S=\frac{a^2\sqrt{3} }{4}$

$S=\frac{(10\sqrt{3})^2\sqrt{3} }{4} =\frac{300\sqrt{3} }{4} =75\sqrt{3} m^2$

Answer: A) $S=75\sqrt{3}$ m²

P.S. Hello from Russia and sorry for my bad english :^)

3 0

2 years ago

Please help 100 points!!! :) Who ever answers right first get's brainliest!!! :)

igomit [66]

Answer:

1/7

Step-by-step explanation:

3 0

3 years ago

-5x + y = -6 7x + 2y = 39

storchak [24]

Answer:

so i don't know if they are separate math problems but for the first question i got M=5 and the second question i got M=-7/2

Step-by-step explanation:

hope this helps please mark brainliest

6 0

3 years ago

Julia and Rodney decided to invest 15% of their salaries.The table shows their principal balance,interest rate,and type of inter

Masja [62]

On the account with interest compounded annually, the account balance will be
P*(1 +r)^t
4500*1.06³ = 5358.57
so the interest earned will be
5358.57 -4500 = 859.57

On the account with simple interest, the interest earned will be
I = Prt
I = 4500*.06*3
I = 810.00

The total interest earned on the two accounts will be
$859.57 +810.00 = $1669.57 . . . . . . . . selection A

6 0

3 years ago