4(2x-3) = use a property to write equivalent expression
Answers
Answer 1
Answer:
This property is called the distributive property; multiplication can be distributed over addition (subtraction is an addition of a negative number)
and the equivalent expression is this one:
4*2x-4*3
we can simplify this;
8x-12
this expression is equivalent to the one in the question!
and the equivalent expression is this one:
4*2x-4*3
we can simplify this;
8x-12
this expression is equivalent to the one in the question!
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If you could can you explain how you got the answer, so I understand it? Please and thank you!
Answers
Yep. I see what's going on here.
-- There had to be instructions that came along with this picture.
Somewhere in those instructions, it said that the top line and
bottom line are parallel ... the ones with the little arrowheads
across them, they're parallel.
-- One factoid about parallel lines is: When parallel lines are
cut by a transversal, the alternate interior angles are equal.
Both of the sloping lines are transversals that cut the parallel lines.
Look at the longer one.
Angle-m and 46° are the alternate interior angles, so they're equal.
-- Angle-m = 46° . Now the whole thing falls apart.
-- Look at the triangle standing up on one vertex.
One angle in the triangle is 92°.
Another angle in the triangle is 46° (angle-m) .
The three angles in the triangle have to add up to 180° .
-- Angle-k is what's left when you start with 180°, take away 92°,
and then take away another 46° . I get 42° .
___________________________________
Another way to do it, using another fact about parallel lines:
-- When parallel lines are cut by a transversal, the interior angles
on the same side of the transversal are supplementary.
(I haven't used this rule in 61 years. I hope they haven't changed it.)
-- Look at the shorter sloping line.
It's a transversal that cuts the parallel lines.
-- The interior angles on the same side of the transversal
are the 92° and the big one at the bottom ... the (k + 46°).
-- Those angles are supplementary ... they add up to 180° .
92° + (k + 46°) = 180°
-- AGAIN ... 'k' is what's left when you start with 180°,
take away 92°, then take away 46° more. I get 42° again.
Can you live with this ?
-- There had to be instructions that came along with this picture.
Somewhere in those instructions, it said that the top line and
bottom line are parallel ... the ones with the little arrowheads
across them, they're parallel.
-- One factoid about parallel lines is: When parallel lines are
cut by a transversal, the alternate interior angles are equal.
Both of the sloping lines are transversals that cut the parallel lines.
Look at the longer one.
Angle-m and 46° are the alternate interior angles, so they're equal.
-- Angle-m = 46° . Now the whole thing falls apart.
-- Look at the triangle standing up on one vertex.
One angle in the triangle is 92°.
Another angle in the triangle is 46° (angle-m) .
The three angles in the triangle have to add up to 180° .
-- Angle-k is what's left when you start with 180°, take away 92°,
and then take away another 46° . I get 42° .
___________________________________
Another way to do it, using another fact about parallel lines:
-- When parallel lines are cut by a transversal, the interior angles
on the same side of the transversal are supplementary.
(I haven't used this rule in 61 years. I hope they haven't changed it.)
-- Look at the shorter sloping line.
It's a transversal that cuts the parallel lines.
-- The interior angles on the same side of the transversal
are the 92° and the big one at the bottom ... the (k + 46°).
-- Those angles are supplementary ... they add up to 180° .
92° + (k + 46°) = 180°
-- AGAIN ... 'k' is what's left when you start with 180°,
take away 92°, then take away 46° more. I get 42° again.
Can you live with this ?
Answers
The answer is C. The lengths of the first triangle is 23 and 28 mm, a similar figure's side lengths have to be proportional so. The one in the choice C is 4 times the first triangle ,
The answer would be C
Because, 23 times 4 equals: 92. And 28 times 4 equals: 112.
So, 29, and 112 are the lengths of the answer c
~Hope this helps! :)
Because, 23 times 4 equals: 92. And 28 times 4 equals: 112.
So, 29, and 112 are the lengths of the answer c
~Hope this helps! :)
Answers
A
as the radius is always half of the circumference to next time think first, what is the half of the circumference
as the radius is always half of the circumference to next time think first, what is the half of the circumference
Answers
First, you would get the decimal form of 67% by moving the decimal (At the end of most whole numbers.) over two, giving you .67.
Next, multiply 296 by this new decimal- .67*296=198.32.
There you go! : )
Next, multiply 296 by this new decimal- .67*296=198.32.
There you go! : )
The answer is 198.2 you welcome
Answers
Answer:
€800 = $1200
New exchange rate =
750/1200 = 1.6
Answers
500
Reason:
50 tens is basically ten 50 times. 10 x 50 = 500
Reason:
50 tens is basically ten 50 times. 10 x 50 = 500
50 tens is the same as saying 50 x 10 which is 500.
One ten is 10. Therefore, to find 50 tens, you must times 50 by 10. When multiplying a number greater than 0 by 10, you simply add a 0 to the end of the number. Following this rule, 50 tens is 500.
One ten is 10. Therefore, to find 50 tens, you must times 50 by 10. When multiplying a number greater than 0 by 10, you simply add a 0 to the end of the number. Following this rule, 50 tens is 500.
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