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4 years ago

What is 2/3 + 1/5 (fraction answer)

Mathematics

2 answers:

lidiya [134]4 years ago

5 0

Answer:

2/3 + 1/5

= 10/15 + 3/15

= 13/15

Olin [163]4 years ago

4 0

Answer:

13/15

Step-by-step explanation:

2/3 + 1/5

The common denominator is 15

2/3 *5/5 = 10/15

1/5 *3/3 = 3/15

10/15 +3/15

13/15

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How do i solve this question

frozen [14]

$\bf \begin{cases}
h(x)=(f\circ g)(x)\\
h(x)=\sqrt{x+5}\\
f(x)=\sqrt{x+2}
\end{cases}\\\\
-------------------------------\\\\
(f\circ g)(x)\implies f[\ g(x)\ ]\implies f[\ g(x)\ ]=\sqrt{g(x)+2}\qquad thus
\\\\\\
\sqrt{g(x)+2}=(f\circ g)(x)=h(x)=\sqrt{x+5}\qquad therefore
\\\\\\
\sqrt{g(x)+2}=\sqrt{x+5}\impliedby \textit{squaring both sides}\\\\\\
g(x)+2=x+5\implies g(x)=x+5-2\implies \boxed{g(x)=x+3}$

8 0

3 years ago

What is the volume of a cylinder that has the same base and height dimensions as the cone shown below? Use 3.14 for pi the base

Zarrin [17]

Answer: I assume the radius is 1/2 the base of 6 in.

r = 3 ft
h = 10 ft
s = 10.4403 ft
V = 94.2478 ft³
L = 98.3976 ft²
B = 28.2743 ft²
A = 126.672 ft²

r = radius
h = height
s = slant height
V = volume
L = lateral surface area
B = base surface area 
A = total surface area
π = pi = 3.14159
√ = square root

8 0

3 years ago

In what shape are the lateral faces of a pyramid?

Helga [31]

SphereA sphere is the set of all points in space that are a fixed distance from a common point called the center.PyramidsA three-dimensional shape with one polygonal base and lateral faces the shape of triangles that meet at a common vertex, called the apex

5 0

3 years ago

A bag contains 6 red balls and 3 blue balls. 4 balls are selected at random. find the probability of selecting 4 red balls.

geniusboy [140]

Assuming that the balls are not replaced;

$\frac{6}{9}* \frac{5}{8}* \frac{4}{7}* \frac{3}{6}$ = 5/42

(the numbers are decreasing in the denominator as you are presumably taking out the red balls. In the denominator, there is one less ball each time since you took out a red one).

Therefore, the probability of selected 4 red balls consecutively without replacement is 5/42.

Hope I Helped :)

4 0

4 years ago

Find the correct linear equation: y is the quotient of thrice a number and ten.

Anarel [89]

Answer:

y = (3x)/10

Step-by-step explanation:

quotient = divide

7 0

3 years ago