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3 years ago

Ssion 4 x (20 – 1) if a = 3? What the answer?

Mathematics

2 answers:

larisa [96]3 years ago

7 0

Answer:

Step-by-step explanation:

a = 3

4 × (2a - 1) =

= 4 × (2 × 3 - 1)

= 4 × (6 - 1)

= 4 × 5

= 20

erica [24]3 years ago

4 0

Answer:

Step-by-step explanation:

<h3>Question:</h3>

4 × 2(a - 1)

<h3>Given value:</h3>

a = 3

<h3>Solution:</h3>

4 × 2(a - 1)

= 4 × 2(3 - 1) [Substituting the value of a = 3]

= 4 × 2(2)

= 4 × 4

= 16

Hence, 16 is the required answer.

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Expand this please 2/9(9/4x-9)

telo118 [61]

2/9(x)9/4 =18/36
1/2
2/9(x)-9
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Answer:: y=1/2x-2

6 0

3 years ago

Your parents give you $20 to help buy the new pair of shoes shown. After you buy the shoes, you have $5.50 left. How much money

Mandarinka [93]

Answer:

$45.45

Step-by-step explanation:

Please find attached an image of the shoe that was used in answering this question

From the image, the price of the shoe is $59.95

Let x be the amount you had with you

The equation that would be used to solve this question is :

(x + 20) - $59.5 = $5.50

Solve for x

x = $45.45

4 0

3 years ago

Is this correct?? if not pls tell me the correct answer

slamgirl [31]

Answer:

no, but it is A.

8 0

3 years ago

Read 2 more answers

How to bring the polynomial to the standard form p(x) x^2-2x+4) (x^2+2x+4)

saveliy_v [14]

<h3>Solution:</h3>

$\rightarrow\sf((p(x) {x}^{2} + 2x + 4)( {x}^{2} + 2x + 4)) \\ = \sf {ax}^{2} + bx + c \\ = \sf(p(x) {x}^{2} {x}^{2} + p(x) {x}^{2} (2x) + p(x) {x}^{2} \times 4 + 2x \times {x}^{2} + 2x(2x) + 2x \times 4 + {4x}^{2} + 4(2x) + 4 \times 4) \\ = \sf( {x}^{4} p(x) + {2x}^{3} p(x) + {4x}^{2} p(x) + {2x}^{3} + {8x}^{2} + 16x + 16) \\ \rightarrow \large\boxed{\sf\red{{{x}^{4} p(x) + {2x}^{3} p(x) + {4x}^{2} p(x) + {2x}^{3} + {8x}^{2} + 16x + 16}}}$

<h3>Answer:</h3>

$\large\boxed{\sf{\red{{x}^{4} p(x) + {2x}^{3} p(x) + {4x}^{2} p(x) + {2x}^{3} + {8x}^{2} + 16x + 16}}}$

$\color{red}{==========================}$

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5 0

3 years ago

Is √m+n = √m + √n for all values of m and n? Explain why or why not.

lukranit [14]

Step-by-step explanation:

√(m + n) = √m + √n

Square both sides:

m + n = m + 2√(mn) + n

Simplify:

0 = 2√(mn)

mn = 0

The equation is only true if either m or n (or both) is 0.

6 0

3 years ago