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adell [148]
3 years ago
9

Write 5 Expressions that are equivalent to 20x + 100

Mathematics
2 answers:
lapo4ka [179]3 years ago
8 0
1st. x times 20+100
2nd. 100+20x
3rd. 100+x times20
4th. 20x+100
5th. x20+100

hichkok12 [17]3 years ago
5 0

Answer:

Equivalent expression states that expression having the same value.

To write 5 expression that is equivalent to 20x + 100.

Using distributive property: a\cdot (b+c) = a\cdot b+ a\cdot c

5 expressions equivalent to 20x+100 are;

1. 20(x+5)

2. 4(5x+25)

3. 5(4x+20)

4. 2(10x+50)

5. 10(2x+10)


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Pavel [41]

Answer:

a) ∅ ∈ {∅} TRUE

b) ∅ ∈ {∅,{∅}}  TRUE

c) {∅} ∈ {∅}  FALSE

d) {∅} ∈ {{∅}} TRUE

e) {∅} ⊂ {∅,{∅}} TRUE

f ) {{∅}} ⊂ {∅,{∅}} TRUE

g) {{∅}} ⊂ {{∅},{∅}}FALSE

Step-by-step explanation:

To assess whether these statements are true or false, first observe the symbol:

"∈" means that element, as it is and as it is, belongs to the set. To belong to the set it must be within the symbols "{}"

On the other hand, the symbol "⊂" means "subset", that is, it is a subset that is included in the main set.

So:

c) is false because "{∅}" is not included in the set

g) is false because " {{∅}}" is not included in the set

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We use different formulas to calculate the areas of different shape.

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Since the formula for a circle is pi × r × r, we must use the same formula but divide it in half, because a semicircle is a half circle, which is why its area would also be half of a circle's. The formula for a semicircle's area is:

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Tip:

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Answer - A (Opposite sides of triangles are congruent)

Step-by-step explanation:

Congruent are the same angles.

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