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Anastaziya [24]
3 years ago
7

Which expression represents 75 divided by an unknown number? A. 75 – r B. 75 · r C. 75 ÷ r D. 75 + r

Mathematics
2 answers:
Harman [31]3 years ago
7 0
1. c 2. d and 3,a hope i helped

faltersainse [42]3 years ago
6 0

I think this is right

1.c

2.a

3.a

4.d

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What models the relationship between two variables in a data set by producing a line of best fit​
serg [7]

Answer:

12

Step-by-step explanation:

All you is divisions as followed:

100 ÷ 8 = 12

4 0
3 years ago
What is the best way to simplify 7x + 3(x - 2) - 4x + 8
Romashka-Z-Leto [24]
7x+3(x-2)4x+8=
<span>
Distributive property  
7x + 3x - 6 -4x + 8
Combining like terms 
10x - 6 -4x + 8
6x - 6 + 8
Combine numbers 
6x + 2 </span>

Hope i helped:D 




5 0
3 years ago
Read 2 more answers
Earn 800 a month. Spend 10% of her monthly budget in clothes and food, how mUchiha does she spend on clothes and food
BabaBlast [244]
10% means for every 100 she spend 10
in 800 there are 8 100 thus she speds 80
or 10% to decimal form is
\frac{10}{100}  =  \frac{1}{10}
800 \times  \frac{1}{10}  =  \frac{800}{10}  = 80
3 0
3 years ago
URGENT!!! 50 POINTS!!! URGENT!!!!!!! Consider the polynomial functions P (x) and Q (x)​ , where neither polynomial is a constant
Nutka1998 [239]

Answer:

Always

Always

Sometimes

Never

Step-by-step explanation:

P(X) + Q(X)

Sum of two polynomials is always a polynomial.

For example, Let P(x) = 3x² and Q(x) = 5x

$ \implies P(x) + Q(x) = 3x² + 5x

This is again a polynomial.

In other words, we can say that Polynomial is closed under addition.

P(x) . Q(x)

Product of two polynomials is again a polynomial.

Let P(x) = 2x and Q(x) = a constant function, 5

Then the product = 10x, is again a polynomial.

Multiplication of two polynomials is closed.

P(x) / Q(x)

This need not always be a polynomial. When Q(x) = a constant function zero, i.e., Q(x) = 0, then the function is not defined.

But let's say P(x) = 5x² and Q(x) = x.

$ \frac{P(x)}{Q(x)} $ = $ \frac{5x^2}{x} $ = 5x, a polynomial.

So, $ \frac{P(x)}{Q(x)} $ is a polynomial sometimes.

We can, say Division is not always closed.

1/Q(x)

This could never be a polynomial. This is not even in the form of a polynomial. So, $ \frac{1}{Q(x)} $ is never a polynomial.

Hence, the answer.

7 0
3 years ago
Fully Factorise 3x-12
artcher [175]

Answer:

3(x-4)

Step-by-step explanation:

3×4=12 and 3 also goes into 3x

7 0
3 years ago
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