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3 years ago

Which of the following statements are true? Check all that apply

Mathematics

1 answer:

____ [38]3 years ago

7 0

Answer:

I think the answers are 1, 2, and 3

Step-by-step explanation:

No idea for the explanation.

Hope this helps

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The cost of 25 litres of petrol is Rs.1400.Find the cost of 30 litres of petrol.

Leona [35]

Rs.1680

Liter. Rs
————-|————-
25 | 1400
:5( | ):5
5 | 280
x6( | )x6
30 | 1680

7 0

3 years ago

Solve<br>f(x)=2x^2+6, fund the value if f(x+3)

zavuch27 [327]

Answer:

F=2x^2+24

Step-by-step explanation:

F (x+3)=2x^2+6

F=2(x+3)^2+6

F=2(X^2+9)+6

F=2x^2+18+6

F=2x^2+24

6 0

3 years ago

Explain how to find the degree of a polynomial

MissTica

1. Combine all of the like terms so that you can simplify it, if they are not combined already.
2. Drop all of the constants and coefficients, the constant terms are all of the terms that are not attached to the variable.
3. Put the term in decreasing order of their exponents.
4. Find the power o the largest term.
5. Identify the degree of the polynomial.
6. Know that the degree of a constant is zero.

Hope this helps!

7 0

3 years ago

Read 2 more answers

Select the correct answer.

EleoNora [17]

B? I think ( do not come at me if it’s wrong)

6 0

3 years ago

What is the remainder when the polynomial 5x2+10x−15 is divided by x + 5? Enter your answer in the box.

otez555 [7]

ANSWER
The remainder is
$60$

EXPLANATION

Let

$p(x) = 5 {x}^{2} + 10x - 15$

We shall apply the remainder theorem to obtain the remainder when
$p(x)$
is divided by
$x + 5$

According to the remainder theorem, if a polynomial
$p(x)$
is divided by
$x - a$
then the remainder is
$p(a)$

So we set
$x + 5 = 0$

and solve for
$x$

to obtain,

$x = - 5$

We now substitute -5 into the given polynomial to find the remainder.

$p( - 5) = 5 {( - 5)}^{2} + 10( - 5) - 15$

This gives us,

$p( - 5) = 5(25) - 50 - 15$

This will simplify to,

$p( - 5) = 125 - 50 - 15$

$p( - 5) = 60$

Therefore the remainder is
$60$

5 0

3 years ago

Read 2 more answers