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oee [108]
3 years ago
11

The first column contains five pairs of relationships. Determine if each pair forms

Mathematics
1 answer:
3241004551 [841]3 years ago
8 0
1. Proportional
2. Not Proportional
3. Not Proportional
4. Proportional
5. Proportional
You might be interested in
Which number can each term of the equation be multiplied by to eliminate the fractions before solving?
scoray [572]

Answer: 12

Step-by-step explanation:

You can multiply by 12 because to get rid of the fractions all terms should be divided by the LCM (ie the smallest multiple that is exactly divisible by 2, 4 and 3)

Multiples of 3 = 3, 6, 9, 12

Multiples of 4 = 4, 8, 12, 16

Multiples of 2 = 2, 4, 6, 8, 10, 12

Therefore the fractions should be multiplied by 12

5 0
3 years ago
Read 2 more answers
Could you explain what the answer is and why? I am not sure of how to do this
lidiya [134]
D, because after being reflected onto itself or turning 180 degrees, you would be transforming onto itself. I hope this helps!
8 0
4 years ago
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This graph represents a proportional relationship between the number of months, x, data is used on a cell phone and the total co
valentinak56 [21]

Answer:

The equation that represents the graph is y = 40x

The new equation would be y = 45x

Step-by-step explanation:

As y increases by 40, x increases by 1, so 40/1, or 40

New equation: $90 per 2 months, y = 90, x = 2, 90/2 = 45

3 0
3 years ago
Sandy spent half of Her allowance going to the movies. She washed the family car and earn seven dollars. What is your weekly all
Veseljchak [2.6K]

Answer:

I'm pretty sure it's 13.

Step-by-step explanation:

4 0
3 years ago
Hi, the answer is K but can anyone show why
dlinn [17]

Let's do 51 and 52.

51. The contrapositive has the same truth value as the original statement. That's opposed to the converse, which may or may not be true independent of the original statement.

The contrapositive of IF P THEN Q is IF not Q THEN not P.  They're equivalent.  Here that's If the cat is not female then it is not tricolor.

Answer: C

52.  

(x^3)^{(4-b^2)}=1

x^{3(4-b^2)} = 1

For the statement to be true, the exponent must be zero:

3(4-b^2) = 0

b^2 = 4

b = \pm 2

Both positive 2 and negative 2 have a square of 4.

Answer: K

By the way, usually we assume 0^0=1 so the restriction that x \ne 0 isn't really necessary.  Think of the definition of a polynomial or the binomial expansion:

\displaystyle f(x)=\sum_{k=0}^n a_k x^k

\displaystyle(x+y)^n=\sum_{k=0}^n {n \choose k} x^{k}y^{n-k}

For these common equalities to work when x=0 we need to define 0^0=1


3 0
4 years ago
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