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3 years ago

Answer this please i don't really understand it so help me please lol.

Mathematics

2 answers:

expeople1 [14]3 years ago

8 0

Answer:

Step-by-step explanation:

Step 1:

( 9 - 3 ) + 20 ÷ 4 Equation

Step 2:

6 + 20 ÷ 4 Subtract

Step 3:

6 + 5 Divide

Answer:

11 Add

PEMDAS:

1. Parenthesis

2. Exponents

3. Multiplication

4. Division

5. Addition

6. Subtraction

Hope This Helps :)

grandymaker [24]3 years ago

6 0

Answer:

The answer is 11.

Step-by-step explanation:

Use PEMDAS

P - Parenthesis

E - Exponents

M - Mulitiplication

D - Divide

A - Add

S - Subtract

So, with that you learn that you solve whatever is in the parenthesis first.

(9 - 3) = 6

Now, divide 20 by 4 which equals 5.

So now the problem is now 6 + 5 which equals 11.

The answer is 11.

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Find the length and width of the frame

ahrayia [7]

Answer:

The width is - 4 the lengeth is - 7

Step-by-step explanation:

w*l = 28in²

w = ?

l = w+3

w=2

2+3 = 5

5*2 = 10

w = 3

3+3 = 6

6*3 = 18

w = 4

4+3 = 7

7*4 = 28

So,

W = 4 L = 7

6 0

3 years ago

Six times a number is 42 what is the number

Vanyuwa [196]

The number would be 7 because you divide 42/6 and get a result of 7.

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3 years ago

Simplify: 3(x -2) - 12 is

melomori [17]

Answer:

x = 15

Step-by-step explanation:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

3-(x-12)=0

Solve : -x+15 = 0

Subtract 15 from both sides of the equation :

-x = -15

Multiply both sides of the equation by (-1) : x = 15

7 0

3 years ago

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Write a polynomial function of minimum degree with real coefficients whose zeros include those listed. Write the polynomial in s

Lerok [7]

Answer:

Q1 - D. f(x) = $x^4-9x^2-50x-150$

Q13 - A. ±1, ±2, ±3, ±4, ±6, ±8, ±12, ±24.

Q14 - A. $7x+6+4x^{2}$

Step-by-step explanation:

Question 1:

We know that rational roots always occurs in pairs. So, the zeros of the function will be 5, -3, -1+3i, -1-3i

So, the factored form is $(x-5)(x+3)(x+1-3i)(x+1+3i)=0$

i.e. $(x^2-2x-15)(x+1-3i)(x+1+3i)=0$

i.e. $(x^3-x^2-3ix^2-17x+6ix-15+45i)(x+1+3i)=0$

i.e. $x^4-9x^2-50x-150=0$

Hence, the polynomial function is $f(x)=x^4-9x^2-50x-150$ .

Question 13:

Rational Zeros Theorem states that 'If p(x) is a polynomial with integer coefficients and if $\frac{p}{q}$ is a zero of p(x) = 0. Then, p is a factor of the constant term of p(x) and q is a factor of the leading coefficient of p(x)'.

Let, $\frac{p}{q}$ is a zero of $x^3-7x^2+9x-24=0$ . Then, p is a factor of -24 and q is a factor of 1.

Thus, possible values of p = ±1, ±2, ±3, ±4, ±6, ±8, ±12, ±24 and q = ±1

This gives, possible values of $\frac{p}{q}$ are ±1, ±2, ±3, ±4, ±6, ±8, ±12, ±24.

Question 14:

We have, f(x) = 7x + 6 and g(x) = $4x^{2}$

Then, (f+g)(x) = f(x) + g(x) = 7x + 6 + $4x^{2}$

So, (f+g)(x) = $7x+6+4x^{2}$

6 0

4 years ago

Solve for x x to the power of 2 = 0.49

Ainat [17]

Answer:

Stop asking others for the answer little girl, and do the work yourself

4 0

3 years ago

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