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alexandr402 [8]
3 years ago
7

New grass seeds grow rapidly. A grass seed has grown to 12 millimeters tall. Tomorrow it will

Mathematics
1 answer:
zaharov [31]3 years ago
5 0
The sequence is 11n+1 as the difference between each number is 11 and if you substitute 1 for n, you must add 1 to 11 to make 12. This sequence works for the other numbers as well.
To find out the height of the plant on the 15th day, just substitute 15 for n:
(11 x 15)+1=166mm is the height of the plant in 15 days.
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The pH of lemon juice at 298 K is found to be 2. 32. What is the concentration of mc014-1. Jpg ions in the solution? Use StartBr
sdas [7]

The concentration of ions in the solution of lemon juice whose pH value is 2.32 is 4.79×10⁻³ M.

<h3>What is pH value?</h3>

The pH value shows that how much a solution is acidic or basic. The range of the pH value lies between the 0-14.

The pH value can be calculated with the following formula.

\rm pH=log[H^{+}]

Here, [H⁺] is the molar hydrogen ion concentration.

The pH of lemon juice at 298 K is found to be 2. 32. Put this value of pH in the above formula as,

\rm 2.32=log[H^{+}]\\\ [H^{+}]=4.79\times10^{-3} \rm \; M

Hence, the concentration of ions in the solution of lemon juice whose pH value is 2.32 is 4.79×10⁻³ M.

Learn more about the pH value here;

brainly.com/question/940314

8 0
2 years ago
For (a)-(e), state the property of water that is significant, and give one example of that property is biological importance: (a
Diano4ka-milaya [45]
A) high transparency of visible light
significance= allows photosynthesis to happen and speed up chemical reactions

b) high cohesion because of hydrogen bonding
significance=  transport of water relies on water being pulled up around the plant.
4 0
3 years ago
A retired math teacher takes his niece shopping. He tells his niece that they can spend x dollars and x minus 49.5 equals 15. Wh
kakasveta [241]
X - 49.5 = 15
x = 15 + 49.5
x = 64.5
8 0
3 years ago
Which diagram best shows how fraction bars can be used to evaluate 1/2 divided by 1/4?
Helga [31]

Answer:

the second one

Step-by-step explanation:

2 halves make a whole. 1/2 + 1/2

4 fourths make a whole. 1/4 + 1/4 + 1/4 + 1/4

a half of a fourth is an eighth. 1/4 ÷ 1/2 = 1/8

3 0
3 years ago
What is the next step you should take?<br> 1 + 18n = 33
Ivahew [28]

Answer:

You need to carry the one over by subtracting 1 from 33. The new equation will be 18n = 32

3 0
3 years ago
Read 2 more answers
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