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likoan [24]
4 years ago
9

Question one please and show work ​

Mathematics
2 answers:
Gwar [14]4 years ago
7 0
The product of something is multiplication and when multiplying fractions you multiply the numerator and denominator. In this case the correct answer is A as 3/4 x 7/8 = 21/32 and when comparing this to the fraction 7/8 you must make the denominator (8), equal to 32. In order to do this you must multiply 8x4 as it equal 32 and then multiply 7 by 4 as whatever you do to the bottom you do to the top. So the final comparison would be 21/32 is less than 28/32, which is true.
Ilya [14]4 years ago
6 0

Answer:

Step-by-step explanation:

c is correct bcause if you work out a it says is less than. then the gcf is 2 and 3 but do 2 times 3

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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
Need helpppppp!!!!!!!!!!
KonstantinChe [14]

Answer: 12, 15, 11, 28

Explanation:

14. FC is half of AC so the length of FC is 12.

15. BD is 30 and half of that is BC or 15. AB and BC have same length so it is also 15.

16. ED and BE have same length so it is also 11.

17. BD is twice of AB so if AB is 14, BD will be 28.

Would appreciate a brainly <3

3 0
3 years ago
Read 2 more answers
5x+7/2=3/2x-14 solve this
Alchen [17]
X=-2

You can also check by plugging -2 in for x. Here is a picture. Please notify me if I made an error!

3 0
3 years ago
Maria and three friends have a thousand and two hundred stock cards if they share the stock of cards equally how many will each
andreev551 [17]
1200 ÷ 4 = 300
Each person will receive 300 stock cards.
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Evaluate the function.<br> Given f(x) = x2 - 4x2 - 3x - 5, find f(5).
Simora [160]

Answer:

5

Step-by-step explanation:

4 0
3 years ago
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