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Sergeu [11.5K]
2 years ago
12

Please help!! How do you do number 1?

Mathematics
1 answer:
alisha [4.7K]2 years ago
6 0
Do a ratio tall over shadow. How tall is tree / shadow. How tall is person / shadow then cross multiply. X/7.5 =5/3. 37.5=3x. Divide by 3 answer 12.5
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4x2 + 8x – 9 = 0 complet the square
lisov135 [29]
The answer is 1/8. That is the answer for this question.
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Solve the system of equation by elimination.
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B.) no solution......
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If A ⊂ B, then which of the following describes the relationship between A and B?
Amanda [17]

A set is a well-defined collection of objects. Each object in a set is called an element of the set. Two sets are equal if they have exactly the same elements in them.

A set is a subset of another set if all elements of the set are elements of the set . In other words, the set is contained inside the set . The subset relationship is denoted as A ⊂ B .The relationship of one set being a subset of another is  also called inclusion  or we can say Set B may have more elements than A does.

Option 4 .Set B may have more elements than A does is the right answer.




5 0
3 years ago
Read 2 more answers
Solve the equation using square roots. x2 + 5 = 41
Stells [14]
X*2 +5 =41
Subtract 5 from both sides
X*2=36

Square root of 36 is 6

X=6

Solve

6*2+5 =41
This’s correct!
3 0
2 years ago
Read 2 more answers
Three times a number n plus 16
HACTEHA [7]

Answer:

3n+16

Step-by-step explanation:

three times: (3) a number n +16

(3)n+16 or 3xn+16

3n+16

4 0
3 years ago
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