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4 years ago

I need to find the volume

Mathematics

1 answer:

AlekseyPX4 years ago

4 0

Answer:

50m

Step-by-step explanation:

length x width x height

5 x 5 x 2

= 50m

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Which of the following cannot be used to prove

Ksju [112]

Given:

Different types of congruence postulates.

To find:

Which cannot be used to prove that two triangles are congruent?

Solution:

According to AAS congruence postulate, if two angles and a non including sides of two triangles are congruent, then triangles are congruent.

According to SAS congruence postulate, if two sides and an including angle of two triangles are congruent, then triangles are congruent.

According to SSS congruence postulate, if all three sides of two triangles are congruent, then triangles are congruent.

AAA states that all three angles of two triangles are equal and no information about sides.

So, it is a similarity postulate not congruent postulate. According to AAA two triangles are similar not congruent.

Therefore, the correct option is D.

4 0

3 years ago

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What is (10)2 + (-6)2 ? Please do not find the square root yet.

SVETLANKA909090 [29]

Answer is 8

(10)2= 20
(-6)2= -12
20-12= 8

Hope this helped!

7 0

3 years ago

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Manufacture of a certain component requires three different machining operations. Machining time for each operation has a normal

Nikolay [14]

Answer:

0.0359

Step-by-step explanation:

Data provided:

mean values of three independent times are 15, 30, and 20 minutes

the standard deviations are 2, 1, and 1.6 minutes

Now,

New Mean = 15 + 30 + 25 = 65

Variance = ( standard deviation )²

Variance = 2² + 1² + 1.6² = 7.56

therefore,

Standard deviation = √variance

Standard deviation = 2.75

Thus,

Z-value = $\frac{\textup{60 - 65}}{\textup{2.75}}$

Z-value = - 1.81

from the Z-table

the Probability of Z ≤ -1.81 = 0.0359

6 0

3 years ago

(4,0) (3,-1) (6,3) (2,-4) which are solutions to y=x-4 select all that apply

beks73 [17]

Just a matter of subbing in ur points to see which ones are true.

y = x - 4

solutions are : (4,0), (3,-1)

8 0

3 years ago

(1) What is the equation, in point-slope form, for a line that goes through (8, −4) and has a slope of negative 5/6 (all fractio

Andreyy89

Formula for point-slope: $y - y1 = m(x-x1)$
Plug in the values (1): $y + 4 = -\frac{5}{6} (x - 8)$ {Choice B}
Plug in the values (2): $y + 6 = \frac{1}{3}(x+ 2)$ {Choice C}
_______________________

[For (3) and (4) we need to solve for slope]

(3)
First, solve for slope.
Formula for slope: $\frac{y2-y1}{x2-x1}$
Plug in values: $\frac{-1-5}{-4-7} = - \frac{6}{11}$
Slope: $- \frac{6}{11}$
Second, we must plug into point-slope form.
Formula for point-slope: $y - y1 = m(x-x1)$
Plug in the values: $y + 1 = - \frac{6}{11}(x + 4)$ {Choice C}

(4)
First, solve for slope.
Formula for slope: $\frac{y2-y1}{x2-x1}$
Plug in values: $\frac{6-(-8)}{-4-7} = - \frac{14}{11}$
Slope: $- \frac{14}{11}$
Second, we must plug into point-slope form.
Formula for point-slope: $y - y1 = m(x-x1)$
Plug in the values: $y - 6 = - \frac{14}{11}(x + 4)$ {Choice D}

8 0

3 years ago

Read 2 more answers