3 years ago

What is -5/4 divided by 2 3/5

Mathematics

1 answer:

serious [3.7K]3 years ago

3 0

If the question is like this -5/4÷2/3/5 then the answer is -25/52

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Could someone help me with number 5 because I suck at perimeters

N76 [4]

You might need to use the distance formula

for the distance betwen (x1,y1) and (x2,y2) is
$D= \sqrt{(x1-x2)^2+(y1-y2)^2}$

so find disance between (-3,1) and (-1,3)
and (-1,3) and (3,1)
so
if we did input them
we would get $6+2 \sqrt{2}+2 \sqrt{5}$ which is the peirmiter

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3 years ago

Select all of the number that round to 4.3 when rounded to the nearest tenth

faltersainse [42]

Answer:

4.29-4.28-4.27-4.26-4.25

Step-by-step explanation:

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3 years ago

Given the following shape with parellel lines, explain why these two triangles are similar.

ohaa [14]

Answer:

All 3 angles are the same, it is simply a dilation. the size is the only difference.

Step-by-step explanation:

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3 years ago

A 2X2 square is centered at the origin. It is dilated by a factor of 3. What are coordinates of the vertices of the square?

Vesna [10]

Answer:

The vertices are:

A' = (-3, -3)

B' = (3, -3)

C' = (3, 3)

D' = (-3, 3)

Step-by-step explanation:

Given:

A 2 x 2 square is centered at the origin.

So, the center of the square is (0, 0)

Since it is 2 x 2 square, the side of the square is 2 units.

So, the vertices of the 2 x 2 square are A (-1, -1), B(1, -1), C(1. 1), D(-1, 1)

The above square is dilated by a factor of 3.

Let's name the dilated square A'B'C'D'

To find the coordinates of the vertices of dilated square, we need to multiply each vertices of ABCD by 3.

A(-1, -1) = 3(-1, -1) = A'(-3, -3)

B(1, -1) = 3(1, -1) = B'(3, -3)

C(1, 1) = 3(1, 1) = C'(3, 3)

D(-1, 1) = 3(-1, 1) = D'(-3, 3)

7 0

3 years ago

18.25=4(1.5-3.75x)-.25(4x-5) wat is x?

sdas [7]

The answer is x= - 11/ 16
You can check this by plugging in x for -11/16

5 0

3 years ago