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slavikrds [6]
2 years ago
9

Describe the congruence transformation that maps quadrilateral ABCD to quadrilateral A'B'C'D'.

Mathematics
1 answer:
umka2103 [35]2 years ago
8 0

Answer:

B) 90 degrees clockwise rotation

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Consider the polynomial below.
kotykmax [81]

Answer:

(-4x - 2)(-5x) + (-4x - 2)(3)  

Step-by-step explanation:

Your polynomial is

(-4x - 2)(-5x + 3)

The distributive property states that

a(b + c) = ab + ac

Let a = -4x - 2.  Then

(-4x - 2)(-5x + 3) = a(5x + 3) = a(-5x) + a(3)

Substitute the value of a.

a(-5x) + a(3) = (-4x - 2)(-5x) + (-4x - 2)(3)

You have just distributed the first binomial (-4x - 2) among the terms of the second binomial.

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2 years ago
13+7 POINTS!!! PLZ HELP WILL GIVE BRAINLIEST!!!
adelina 88 [10]
If x=-5 (-5)2+2=27
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6 0
2 years ago
1 − 2 + 3 −... + 99 <br> Please solve!
Lemur [1.5K]

Answer:

50

Step-by-step explanation:

So you can think of this by grouping it like this:

(1-2) + (3-4) + (5-6) + ... + (97-98) + 99

which is equal to: (-1) + (-1) + (-1)... + (-1) + 99

(each group is equal to -1, and 99 won't have a pair since it's the last one)

then, find how many groups of -1 there are:

the groups start at 1 and end at 98, but there are two in each group, so 98/2 = 49. this means there are 49 groups.

so now, you know that there are 49 -1s, so 49 * (-1) = -49.

finally, you can't forget the extra 99 that didn't have a pair, so -49 + 99 = 50.

6 0
1 year ago
What is an equivalent to 18:4
Nikolay [14]
9:2 is equivalent because it is dividing each side by the same amount. 18 divided by 2 is 9 and 4 divided by 2 is equal to 2, so 9:2 would be equivalent to 18:4.
8 0
3 years ago
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Find the solution set of the inequality<br> 4x-1&lt; 11.<br><br> PLEASE HEP I NEED THIS ASAP!!!!
maxonik [38]

Answer: x > 3

Step-by-step explanation:

In order to find x, we must isolate it first.

Add one to both sides. It's now 4x < 12.

Now we divide both sides by 4, remember that every time we divide or multiply we must flip the inequality symbol.

The final answer is x > 3

6 0
2 years ago
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