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Zinaida [17]
3 years ago
5

Area of the triangle is 124 square inches, what are the base and height

Mathematics
1 answer:
notsponge [240]3 years ago
4 0
248=bh is the answer
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The coordinate of centroid of a triangle whose vertices are (1,3,-2), (4,5,0), (6,3,9) is = ……………….
Dominik [7]

Answer:

C = (\frac{11}{3},\frac{11}{3},\frac{7}{3})

Step-by-step explanation:

Given

(x_1,y_1,z_1) = (1,3,-2)

(x_2,y_2,z_2) = (4,5,0)

(x_3,y_3,z_3) = (6,3,9)

Required

Determine the coordinates of the centroid

Represent the coordinates with C.

C is calculated as follows:

C = (\frac{1}{3}(x_1+x_2+x_3),\frac{1}{3}(y_1+y_2+y_3),\frac{1}{3}(z_1+z_2+z_3}))

Substitute values of x and y in the given equation

C = (\frac{1}{3}(1+4+6),\frac{1}{3}(3+5+3),\frac{1}{3}(-2+0+9}))

C = (\frac{1}{3}(11),\frac{1}{3}(11),\frac{1}{3}(7}))

C = (\frac{11}{3},\frac{11}{3},\frac{7}{3})

<em>The above is the coordinate of the centroid</em>

8 0
3 years ago
How many 2 letter permutations can be made from the word "letter"
Leto [7]

Answer:

Brainliest for Brainliest

Step-by-step explanation:

5 0
3 years ago
Myra is a scientist and needs 45 gallons of a 16% acid solution. The lab is currently stocked only with a 20% acid solution and
asambeis [7]

Answer:

The volume of the solution with 20% acid is 27 gallons and the one with 10% acid is 18 gallons

Step-by-step explanation:

Myra needs to mix "x" gallons of the solution with 20% and "y" gallons of the solution with 10%. The volume of the final solution must be 45 gallons, therefore:

x + y = 45

The concentration of acid of the final solution is:

0.2*x + 0.1*y = 45*0.16

0.2*x + 0.1*y = 7.2

Therefore we have a system of equation:

x + y = 45

0.2*x + 0.1*y = 7.2

We need to multiply the first equation by -0.1:

-0.1*x -0.1*y = -4.5

0.2*x + 0.1*y = 7.2

We now sum both equation:

0.1*x = 2.7

x = 2.7/0.1 = 27 gallons

y = 45 - 27  = 18 gallons

6 0
3 years ago
15% of Mr.Rileys classes watch the local news. 136 of his students do not watch the local news. How many students are in Mr.Rile
Helga [31]
(100-15)% = 85% = 136 students

136 / (85%) = 130*(100/85) = 160 students
8 0
3 years ago
Which is the greatest measure of the given data? 4, 8, 4, 7, 5, 4, 9, 146, 6, 4, 13, 8, 11, 6, 6, 5 *
Rufina [12.5K]

Answer:

Don't copy that link it will hack you.

Step-by-step explanation:

But the answer is 3. Median the median is 146.

Mode is 142

Mean is 146

3 0
3 years ago
Read 2 more answers
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