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jenyasd209 [6]
4 years ago
12

What is the sum of ​ 13 5/7 + 13/28 ​ ?

Mathematics
1 answer:
Arada [10]4 years ago
4 0

Answer:397/28

Step-by-step explanation:

96/7+13/28

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What is the volume of the right triangular prism shown?
ollegr [7]

<u>Given</u>:

The sides of the base of the triangle are 8, 15 and 17.

The height of the prism is 15 units.

We need to determine the volume of the right triangular prism.

<u>Area of the base of the triangle:</u>

The area of the base of the triangle can be determined using the Heron's formula.

S=\frac{a+b+c}{2}

Substituting a = 8, b = 15 and c = 17. Thus, we have;

S=\frac{8+15+17}{2}

S=\frac{40}{2}=20

Using Heron's formula, we have;

Area = \sqrt{S(S-a)(S-b)(S-c)}

Area = \sqrt{20(20-8)(20-15)(20-17)}

Area = \sqrt{20(12)(5)(3)}

Area = \sqrt{3600}

Area = 36

Thus, the area of the base of the right triangular prism is 36 square units.

<u>Volume of the right triangular prism:</u>

The volume of the right triangular prism can be determined using the formula,

V=\frac{1}{2}A_b h

where A_b is the area of the base of the prism and h is the height of the prism.

Substituting the values, we have;

V=\frac{1}{2}(60\times 15)

V=450

Thus, the volume of the right triangular prism is 450 cubic units.

8 0
3 years ago
Which of the following scenarios MUST represent two independent events?
egoroff_w [7]

Answer: C) P(blue) = 70%, P(green) = 30%, P(blue and green) = 21%

Step-by-step explanation:

Given probabilities P(A) AND P(B) are independent, the probability that both events to occur is given by:

P(A)∩P(B)

thus from the example, independent events will be:

P(blue)=70%, P(green)=30%, P(blue and green)=21%

Because:

P(blue)∩P(green)=0.7×0.3=0.21=21%

7 0
2 years ago
Find the probability that when a couple has three ​children, at least one of them is a girl. ​(Assume that boys and girls are eq
Vaselesa [24]
Consider this option (2 ways for this):
1. Probability=1-[probability_all_boys].
for [probability_all_boys]=1/[all_possible_combinations];
for [all_combinations]=2³=8. It means that 
Probability=1-(1/8)=7/8=0.875.
2. Probability=[needed_cases]\[all_possible_cases];
all possible combinations are:
bbb;ggg;bgg;bgb;bbg;gbg;gbb;ggb; - (where 'g' - girl, 'b' - boy) total 8.
needed cases: ggg;bgg;bgb;bbg;gbg;gbb;ggb, - total 7.
Probability=7/8=0.875
7 0
3 years ago
If the parent function f(x) = (2x − 3)3 is transformed to g(x) = (-2x + 3)3, which type of transformation occurs?
zimovet [89]

Answer:

it reflect over y axis.

Step-by-step explanation

Given: If the parent function f(x) = (2x − 3)³ is transformed to g(x) = (-2x + 3)³.

To find: Which type of transformation occurs.

Solution: We have given that

parent  function f(x) = (2x − 3)³ .

transformed to g(x) = (-2x + 3)³.

By the transformation rule ; f(x)→→ f(-x) it mean function is reflect over y axis.

We can see from given functions g(x)  →→ f(-x).

Therefore, it reflect over y axis.

4 0
3 years ago
How do i answer this question and where do i put the line
balandron [24]

Answer:

4'4

Step-by-step explanation:

8 0
3 years ago
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