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Vanyuwa [196]
3 years ago
9

Help!

Mathematics
1 answer:
andre [41]3 years ago
6 0

Answer:

∠X in the pre-image will be equal to ∠L in the main image

Step-by-step explanation:

△LMN is the result of a reflection of ​ △XYZ which means △LMN is the mirror image​ △XYZ

hence, the left of △XYZ will be equivalent to the right of △LMN and the right of △XYZ will be equivalent to the left of △LMN

Hence, ∠X in the pre-image will be equal to ∠L in the main image

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A pattern is made by toothpick squares. Select the series that represents the number of toothpicks added to a picture to get the
lorasvet [3.4K]
The answer is, 4 + 8 + 12 + 16 ... rule is 4n.

Explanation:

one square has 4 toothpicks, then you added 4 picks (because you started with zero squares).

4 squares have 12 toothpicks, then you added 8 toothpicks to pass from one square to 4 squeres.

If you follow that reasoing you get to realize that the additions are 4, 8, 12, 16.
4 0
3 years ago
Half a number increased by 15 is equal to the sum of 5 and the product of 3 and the number.
son4ous [18]

Answer:

(x/2) + 15 = 5 + 3x

Step-by-step explanation:

Follow the steps in the equation. X is your number. First you halve it, then you add 15. Next, set it equal to the other side. The second side is 5 + (because it is the sum) and 3x (the product of 3 and x means multiply them)

3 0
3 years ago
What are sample spaces in math?
Aloiza [94]

Answer:

Sample spaces are for example, if I flip a coin and spin a wheel that has 1, 2, and 3 on it, the sample space would be {H1,H2,H3,T1,T2,T3}. So, sample  spaces list the possibilities of a given set.

3 0
3 years ago
Read 2 more answers
Simplify 1/9^-3? <br> A. 1/-27 <br> B. 9^3 = 729 <br> C.1/-729 <br> D. 9^-3 = -27
Natali [406]
Exponent rule : a^-b = 1 / (a^b)

1/9 ^-3 =
1 / (1/9^3) =
1 / (1^3) /(9^3) =
1 / (1/729) =
1 * 729/1 =
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ur answer is B
8 0
3 years ago
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Which of the following best describes the expression 7(y + 5)?
damaskus [11]

Answer: LAST OPTION.

Step-by-step explanation:

To solve this exercise is important to remember the following definitions:

  1. The sum is the result obtained when we solve an addition.
  2. The product is the result obtained when we solve a mutiplication.
  3. Given a multiplication (a)(b)=c, "a" and "b" are factors and "c" is the product.

In this case, you have this expression:

7(y + 5)

Notice that the there is an addition of two terms (y and 5) inside the parentheses.

Outside the parentheses you can notice that the number 7 is multiplying the sum of the terms  mentioned before.

Therefore, you can conclude that the best description for this expression is:

<em>The product of a constant factor of seven and a factor with the sum of two terms.</em>

4 0
3 years ago
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