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Zigmanuir [339]
2 years ago
8

Help me with this question please​

Mathematics
1 answer:
Eduardwww [97]2 years ago
8 0

Answer:

134.189

Step-by-step explanation:

1+ 4x√7

√7 = 2.646

=4 x 2.646 = 10.584

1+10.584= 11.584

11.584 squared

=134.189

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Answer:

you need 100ml of 5X TAE and 400ml of water.

Step-by-step explanation:

You need to use a rule of three:

C_1V_1=C_2V_2

where:

\left \{ {{C_1= 5X} \atop {C_2=1X}} \right.

and

\left \{ {{V_1 = V_{TAE}} \atop {V_2=500ml}} \right.

Therefore:

V_{TAE} = \frac{V_2*C_2}{C_1}

V_{TAE} = 100ml

Then just rest the TAE volume to the final Volume and you get the amount of water that you need to reduce the concentration.

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2 years ago
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The _____ is the part of a conditional statement that expresses the conditions that must be met by the statement.
iren [92.7K]

Answer:

hypothesis

Step-by-step explanation:

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2 years ago
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Earth revolves around the Sun in 365 days, but the planet Mercury does so in only 88 days. Compared to Earth, how many more comp
Elena L [17]

Answer:

In a 1000 days Mercury will make 8.624 more revolutions than Earth!

Step-by-step explanation:

<u>Earth</u> takes 365 days to make a complete revolution.

we can say that the rotational speed of Earth is \dfrac{1}{365}\frac{\text{rev}}{\text{day}}

so, in a 1000 days how many revolutions will Earth have made?

\dfrac{1}{365}\frac{\text{rev}}{\text{day}}\times(1000\,\text{day})

see that the 'day's cancel out. Simply multiply the two numbers!

2.739\text{rev}

<u>Next, do the same for Mercury</u>

we can say that the rotational speed of Mercury is \dfrac{1}{88}\frac{\text{rev}}{\text{day}}

as it completes 1 revolution in 88 days.

so, in a 1000 days how many revolutions will Mercury have made?

\dfrac{1}{88}\frac{\text{rev}}{\text{day}}\times(1000\,\text{day})

multiplying by 1/88 by 1000 yields:  

11.363\text{rev}

The Question is how many MORE complete revolutions will Mercury make in 1000 days?

We need to subtract the revolutions of Mercury with Earth to find how far ahead is Mercury from Earth

11.363\text{rev} - 2.739\text{rev}

8.624\text{rev}

In a 1000 days Mercury will make 8.624 more revolutions than Earth!

5 0
3 years ago
A two digit number is chosen at random. Find the probality that the number is a perfect square​
Novay_Z [31]

Answer:

5 by 99

Step-by-step explanation:

its 5 by 99

squares:

16

25

36

49

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81

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3 years ago
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Figure out m. pls, explain step by step.<br><br> 15+0.25m=20+0.05m
Stels [109]

Answer:

25

Step-by-step explanation:

15+0.25m-15 =20+0.05m -15  subtracted 15 from both sides

0.25m-0.05m=5+0.05m -0.05m(I got 5 because i simplified 20-15=5) Subtracte 0.05m from both sides

.2m/.2=5/.2 divde by .2 on both sides to get m by itself

<h2><u><em>m=25</em></u></h2>
7 0
3 years ago
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