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Alika [10]
1 year ago
14

What is the sum? 3/8 +7/16 A) 5/12 B) 13/16 C) 7/8 D) 1 3/16

Mathematics
2 answers:
Nata [24]1 year ago
7 0
It is B. It’s B because you would have to multiply 3/8 by 2, which is 6/16. Now once you add 6/16 and 7/16 the sum is 13/16.
Firdavs [7]1 year ago
5 0
Double the first fraction so that it has the same denominator as the second (3/8) x 2 = 6/16, then add 6+7 = 13, so your answer would be B) 13/16
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pychu [463]

Answer:

The coordinates of B is (3, - 5)

Step-by-step explanation:

A(6, 1)

C(2, -7)

Coordinates of point B such that AB = 1/3 × BC

Hence we have;

AC = AB + BC = BC + \dfrac{1}{3} \times BC =  \dfrac{4}{3} \times BC

Therefore BC = 3/4 × AC

Hence, AB = 1/3 × BC = 1/3 × 3/4 × AC = 1/4 × AC

AC = √((6 - 2)² + (1 - (-7))²) = √(16 + 64) = √80 = 4·√5

AB = 1/4 × 4·√5 = √5

Therefore;

AB² = (x - 6)² + (y - 1)² = 5

Slope = (1 - (-7))/(6 - 2) = 2

Hence the y coordinate of B = -7 + sin(tan⁻¹(2)) ×√5 = -5

The x coordinate of B = 2 + cos(tan⁻¹(2)) ×√5 = 3

The coordinates of B = (3, - 5)

4 0
2 years ago
Read 2 more answers
What is 13/56 + 5/7=
Darya [45]
<span>The question is asking us to calculate : 13/56 + 5/7. To do this we have first to find the common denominator for these fractions. We know that 56 = 7 * 8, so the common denominator is 56. Then we will multiply the numerator and the denominator of the second fraction by 8. 5/7 * 8/8 = 40/56. Finally we will add : 13/56 + 40/56 = 53/56 and that is the final answer, which can not be simplified. Answer: 53/56</span>
7 0
1 year ago
Quadrilateral ABCD ABCD is similar to quadrilateral EFGH EFGH. The lengths of the three longest sides in quadrilateral ABCD ABCD
Kay [80]
Sketch the two quadrilaterals and label them as shown in the figure below.

Let x =  length of the 4th side of ABCD.

Because ABCD ~ EFGH, therefore
x/5 = 14/6

That is,
x = (5/6)*14 = 11.67 ft

Answer: D. 11.7 ft

5 0
2 years ago
Which of the following accurately compare 15-√105 and 5?
Vlad [161]
The answer is c. I hope that helps
7 0
1 year ago
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Suppose that a random sample of size 100 is to be selected from a population with mean 50 and standard deviation 8. What is the
maksim [4K]

Answer:

0.159

Step-by-step explanation:

Given that:

Sample size (n) = 100

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Standard deviation (s) = 8

Probability that Sample mean (m) will be greater Than 50.8

Using the relation :

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Hence,

P(Z > 1) = 0.159 ( 3 decimal places)

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