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3 years ago

When evaluating square roots we use the _____ root. negative real neutral positive

Mathematics

2 answers:

wariber [46]3 years ago

6 0

Square root is the answer

Yakvenalex [24]3 years ago

6 0

Answer:

positive

Step-by-step explanation:

When evaluating square roots we use the positive (or principal) root.

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Solve it plz 29x < 38x + 18

storchak [24]

Answer:

x= -2

Step-by-step explanation:

The first thing I did was isolate the x's on one side. I subtracted 38x from both sides. This gives me:

-9x=18.

Now i divide both sides by -9. Giving me x=-2

5 0

3 years ago

A system of equations is shown below:

Alexandra [31]

Hello,

Answer B
2x+y=6 (1)
-4x+3y=8 (2)

2*(1)+(2)==>5y=20==>y=4
==>2x=6-4==>2x=2==>x=1

8 0

3 years ago

How do I work out 1/5 of 50%?

fgiga [73]

1/5 of 50% should be 10%.

8 0

3 years ago

Read 2 more answers

Mateo is culturing bacteria that have a growth rate of 5.3% per hour. If the current population is 38,762 bacteria, how many bac

Taya2010 [7]

..Given:

$\begin{gathered} a=38762 \\ r=5.3\%=\frac{5.3}{100}=0.053 \\ t=20 \end{gathered}$

To Determine: The number of bacteria after 20 hours

Using the future value formula for growth rate

$\begin{gathered} P_a=P_c(1+r)^t \\ P_a=(Bacteria,final,population) \\ P_c(Bacteria,current,population)=38762 \\ r(rate)=0.053,t(time,in,hour)=20 \end{gathered}$

Therefore

$\begin{gathered} P_a=38762(1+0.053)^{20} \\ P_a=38762(1.053)^{20} \\ P_a=38762(2.809101) \\ P_a=108886.39 \\ P_a\approx108886 \end{gathered}$

Hence, population of bacteria in 20 hours is 108,886

8 0

2 years ago

2x−7=−19 x =<br> x/-3+5=12 x =<br> 3/4x −5=4 x =

Nata [24]

I believe it’s x=3 i’m sorry if i wrong

7 0

3 years ago