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3 years ago

HELP ME!!!!!!!!!!!!!!!!!!!!!!

Mathematics

1 answer:

NARA [144]3 years ago

8 0

Answer:

1632cm3

Step-by-step explanation:

Hope it will help

<h2><em><u>Brainliest please</u></em></h2>

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A new library, L, is to be built at some point along a straight road, R, such that its distance from train station, T, is the sh

andreyandreev [35.5K]

Answer:

Coordinates of the new library is (150, 70)

Step-by-step explanation:

To get the shortest possible distance means that line from point T to point R has to be perpendicular.

Now, the equation of R is given as;

y = x - 80 - - - (1)

For T to be perpendicular, it means it will have a slope equal to the negative reciprocal of line R.

Thus, slope of T is -1/1 = - 1

Thus, using line - slope intercept of y = mx + c, we can find equation of T as;

140 = -1(80) + c

140 = -80 + c

c = 140 + 80

c = 220

Thus, equation is;

y = -x + 220 - - - (eq 2)

Adding equation 1 to equation 2,we have;

y + y = 220 - 80

2y = 140

y = 140/2

y = 70

Putting 70 for y in eq 1 gives;

70 = x - 80

x = 70 + 80

x = 150

Thus;

Coordinate of the new library is (150, 70)

8 0

3 years ago

Express in simplest radical form.<br> V40

Andrews [41]

Answer:

$\huge\boxed{2 \sqrt{10}}$

Step-by-step explanation:

When taking a square root and making it a radical, we need to list out it's factors and find which one we can take the square root of.

The factors of 40 are:

1, 2, 4, 5, 8, 10, 20, 40.

Out of these, we need to look for one that we can find the square root of.

We know that the square root of 4 is 2.

Therefore, we can make $\sqrt{40}$ into $\sqrt{4 \cdot 10}$ .

The square root of 4 is 2. Therefore, we can put that outside the radical.

$2 \sqrt{10}$ .

Hope this helped!

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3 years ago

Please help 20-23 it is 6th grade math and it is due October 16 please I really need help we are doing simplifying expressions a

mel-nik [20]

Hey I'm in 6th too, Simplify means to solve the prob

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4 years ago

A triangle has two equal angles and a smaller angle which measures 26 degrees. What is the measure of one of the larger angles.

ankoles [38]

180 = 2x + 26
-26 -26
154 = 2x
÷2 ÷2
77 = x
One of the sides is 77

3 0

3 years ago

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A triangle that has no sides of equal length and one angle greater than 90° is which type of triangle?

Ganezh [65]

Answer:

It’s a obtuse triangle/scalene triangle

Step-by-step explanation:

Giving the information that is provided if the sides are not equal then it seems to be that the correct answer would be Obtuse Scalene

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3 years ago

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