1 year ago

Which of the fractions below is closest to 7?

Mathematics

1 answer:

svetoff [14.1K]1 year ago

6 0

Answer:

I think that the awnser is A because I think it is

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Find the least common multiple of x² + x – 12 and x² + 2x – 15.

belka [17]

The LCM is (x+4)(x-3)(x+5)

6 0

2 years ago

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Write an equation parallel to the line y=3/2x-2 that goes through (5,1) in point slope form.

s344n2d4d5 [400]

Answer: y=3/2x-13/2

Step-by-step explanation:

concept to know: two parallel lines have the same slope

y=3/2x+b

in order to find b or the y-intercept, we plug the point in

y=3/2x+b

1=3/2(5)+b

1=15/2+b

b=-13/2

----------------------------

y=3/2x-13/2

Hope this helps!! :)

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2 years ago

The pH scale for acidity is defined by pH= -log subscript 10 [H superscript+] where [H superscript+] is the concentration of hyd

gtnhenbr [62]

Answer:

The concentration of hydrogen ions in moles per liter (M) is $3.981 * 10^{-9}$

Step-by-step explanation:

As we know

The hydrogen ion concentration of any solution at pH is given by

$H^+ = 10^{-pH}$

Substituting the given values in above equation, we get -

$H^+ = 10^{-8.4}\\H^+ = 3.981 * 10^{-9}$ mol/l

The concentration of hydrogen ions in moles per liter (M) is $3.981 * 10^{-9}$

8 0

2 years ago

M is the midpoint of AD. What value of x will make triangles ABM and DCM congruent?

Sophie [7]

The answer is 7.

the Brainliest please!!

6 0

3 years ago

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If cot 0=12/5 find tan 0

jek_recluse [69]

cot 0=12/5 find tan 0

cot = adjacent/opp

tan = opp/adjacent

cot = 12/5

tan = 5/12

8 0

2 years ago