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nignag [31]
4 years ago
10

Are my answers right ?

Mathematics
2 answers:
adelina 88 [10]4 years ago
3 0

Im not a teacher, but I think so but dont take my word for it

olga nikolaevna [1]4 years ago
3 0

Answer:

3) d. 12.9 in

4) b. x = 8.75, y = 11.2

Your answer is correct

Step-by-step explanation:

3)

ΔABC ≅ ΔXYZ

AB/AC = XY/XZ

7/10 = 9/XZ

XZ = 10 *9/7

XZ = 12.9

Answer:

d) 12.9 in

4)

ΔABC ≅ ΔDEF

14/8 = x/5

x = 14*5/8

x = 8.75

y/8 = 7/5

y = 8*7/5

y = 11.2

Answer:

b. x = 8.75, y = 11.2

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Why do 25 ÷ 10 and 250 ÷ 100 give the same answer?
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Answer:

One zero can be cancel out from both the numerator and denominator of 250 ÷ 100

Step-by-step explanation:

25 ÷ 10 =\frac{25}{10}=\frac{5}{2}

250 ÷ 100 =\frac{250}{100}=\frac{5}{2}

Therefore,

25 ÷ 10 = 250 ÷ 100

Here, 25 ÷ 10 and 250 ÷ 100 give the same answer.

Here, one zero can be cancel out from both the numerator and denominator of 250 ÷ 100

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swat32

Answer:

I don't recall if there is a term for it, most people just say distributing the 2 to each term in the bracket, -3/2x-14

Step-by-step explanation:

. -2 x 3/4x     -2 x 7 =  -3/2x-14

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3 years ago
Given the statement “if there is a lightning storm then we won’t go swimming”, which is contapositive?
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The contrapositive statement is "If we go swimming, then there is no lightning storm"

<h3>What is a contra positive statement?</h3>

A contrapositive statement is a proposition or theorem formed by contradicting both the subject and predicate or both the conclusion and hypothesis of a given proposition or theorem and interchanging them.

Example : "if not-B then not-A " is the contra positive of "if A then B "

Given the statement;

“if there is a lightning storm then we won’t go swimming”

The contra positive statement is;

"If we go swimming, then there is no lightning storm"

Thus, the contrapositive statement is "If we go swimming, then there is no lightning storm"

Learn more about contrapositive statement here:

brainly.com/question/11073037

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