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Anika [276]
3 years ago
12

PLEASE HELP ASAP!!!

Mathematics
2 answers:
ycow [4]3 years ago
7 0
First equation: distributive
Second equation: identity property of addition
third equation: identity property of multiplication
fourth equation: commutative property
fifth equation: associative property
liberstina [14]3 years ago
5 0

Answer:

First equation: distributive

Second equation: identity property of addition

third equation: identity property of multiplication

fourth equation: commutative property

fifth equation: associative property

Step-by-step explanation:

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5, 3.1.24<br><br> f(x) = 3x² + 5; find f(x + 3) - [f(x) + 3]
Aleks [24]

Given that f(x) = 3x^2 + 5, we have

f(x + 3) = 3 (x + 3)^2 + 5 \\\\= 3 (x^2 + 6x + 9) + 5 \\\\= 3x^2 + 18x + 32

so that

f(x+3) - (f(x) + 3) = (3x^2 + 18x + 32) - (3x^2 + 8) \\\\= \boxed{18x + 24}

3 0
2 years ago
Help me pls I NEED THIS NOW
Mandarinka [93]

Answer:

3.375 cm²

Step-by-step explanation:

To find the area of a parallelogram, all we have to do is multiply the base by the height which are 2.25 and 1.5 respectively. Therefore, our answer is 2.25 * 1.5 = 3.375 cm².

3 0
4 years ago
Read 2 more answers
Simplify (sinx + cosx) ^2/ sin2x
Aleksandr [31]

\csc 2x+1

Step-by-step explanation:

  • \frac{(\sin x+\cos x)^2}{\sin2x}

  • We expand (\sin x+\cos x)^2 using algebraic identity (a+b)^2=a^2+b^2+2ab

  • =\frac{\sin^2x+\cos^2x+2\sin x.\cos x}{\sin2x}

  • = \frac{1+\sin2x}{\sin2x}

  • =\frac{1}{\sin2x}+\frac{\sin2x}{\sin2x}

  • =\csc 2x+1
8 0
2 years ago
A restaurant charges large parties an amount that depends on the number of people
sergejj [24]

Answer:

$26 per person or $23.125 per person for the bigger group

Step-by-step explanation:

6 0
3 years ago
Michael buys a basket of mangoes on sale for $4 before tax. The sales tax is 12% What is the total price Michael pays for the ba
Norma-Jean [14]

Answer:

$4.48

Step-by-step explanation:

First, you have to convert the percentage into a decimal.

12% x 100 = 0.12

Second, you multiply the decimal with the cost of the product before tax.

$4 x 0.12 = $0.48

This number is the amount of money you will have to pay in tax.

Third, you add the tax amount to the original cost of the product to get the total price.

$4 + $0.48 = $4.48

4 0
3 years ago
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