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V125BC [204]
2 years ago
9

Is 10/3 equivalent to 70/21

Mathematics
1 answer:
slava [35]2 years ago
7 0
Yes because if you divide both, the numerator and denominator, by 7 it would simplify  to 10/3, so they are equivalent.
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-2(csc2θ - cot2θ)<br> - 1 <br> -2<br> -3<br> -1
Lorico [155]

Answer:

- 2

Step-by-step explanation:

- 2( { \csc}^{2}  \theta \:  -  {cot}^{2}  \theta)  \\  =  - 2(1) \\  =  - 2

8 0
3 years ago
Triangle ABC with vertices A (-1, 4), B( -4, 1), and C(-1, 1) is reflected across the y-axis and then translated 4 units to the
Anna71 [15]

Given:

Triangle ABC with vertices A (-1, 4), B( -4, 1), and C(-1, 1) is reflected across the y-axis and then translated 4 units to the left to form triangle A’B’C’.

To find:

The coordinates of the vertices of triangle A’B’C’.

Solution:

If triangle ABC reflected across y-axis, then

(x,y)\to (-x,y)

A(-1,4)\to A_1(1,4)

B(-4,1)\to B_1(4,1)

C(-1,1)\to C_1(1,1)

Coordinates of image after reflection across y-axis are A_1(1,4),B_1(4,1),C_1(1,1).

Then triangle translated 4 units to the left to form triangle A’B’C’.

(x,y)\to (x-4,y)

A_1(1,4)\to A'(-3,4)

B_1(4,1)\to B'(0,1)

C_1(1,1)\to C'(-3,1)

Therefore, the vertices of triangle A’B’C’ are A’ (-3, 4), B’ (0, 1), C’ (-3, 1).

Hence, the correct option is B.

6 0
3 years ago
Please help me with #24
stellarik [79]

Step-by-step explanation:

ok lng yan...............

3 0
2 years ago
As you can see, I already answered part A. That part is easy, like kindergarten level. But I don't remember learning how to do p
drek231 [11]

Answer:

Length: 10 units.

Width:6 units

Step-by-step explanation:

Part a has 1 unit =40 yards. When we have 1 unit = 20 yards, we have divided the original numbers, 40, in half, getting 20. That means that we need to double the original amount of units, like you see above.

3 0
2 years ago
Read 2 more answers
How many solutions does the following equation haves? -3x+9-2x=-12-5x
Mashcka [7]

Answer:

no solution

Step-by-step explanation:

-3x+9-2x=-12-5x\

-5x+5x=-12-9

0=-21

which is impossible.

4 0
3 years ago
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