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3 years ago

What is the answer to this equation. 1/3 + 1/4

Mathematics

2 answers:

svetoff [14.1K]3 years ago

6 0

Answer: 7/12

Step-by-step explanation:

To add or subtract fractions, first you should make them into LCD (Least Common Denominator). Then, add/subtract the numerator as usual and let the denominator remain.

Solve:

#LCD (Least Common Denominator)

1/3 and 1/4

3 and 4 least common factor is 12

<h2>Thus, 12 will be the least common denominator</h2>

1/3=4/12

1/4=3/12

#Add

1/3+1/4

=4/12+3/12

=7/12

tigry1 [53]3 years ago

3 0

Answer:

1/3+1/4

take lcm,

1×4/3×4 + 1×3/4×3

4/12+3/12

4+3/12

7/12

hope it helps u

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Complement: The sum of two angles equals 90°

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3 years ago

Write an equation for a circle with center at (5,-2) and diameter of 8 centimeters.

mars1129 [50]

Answer:

$(x-5)^2+(y+2)^2=16$

Step-by-step explanation:

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General Circle function: $(x-h)^2+(y-k)^2=r^2$ , where h is the x-coordinate of the center, k is the y-coordinate of the center, and r is the radius.

The radius of the circle is half the diameter so: 8 / 2 = 4

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The y-coordinate of the circle is -2

Plug in.

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3 years ago

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3 years ago

If AE=6x-55 and EC=3x-16, find DB. (Hint: Find x first and then substitute.)

erica [24]

Given:

Given that ABCD is a rectangle.

The diagonals of the rectangle are AC and DB.

The length of AE is (6x -55)

The length of EC is (3x - 16)

We need to determine the length of the diagonal DB.

Value of x:

The value of x can be determined by equating AE and EC

Thus, we have;

$AE=EC$

Substituting the values, we get;

$6x-55=3x-16$

$3x-55=-16$

$3x=39$

$x=13$

Thus, the value of x is 13.

Length of AC:

Length of AE = $6(13)-55=78-55=23$

Length of EC = $3(13)-16=39-16=23$

Thus, the length of AC can be determined by adding the lengths of AE and EC.

Thus, we have;

$AC=AE+EC$

$AC=23+23$

$AC=46$

Thus, the length of AC is 46.

Length of DB:

Since, the diagonals AC and DB are perpendicular to each other, then their lengths are congruent.

Hence, we have;

$AC=DB$

$46=DB$

Thus, the length of DB is 46.

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3 years ago