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3 years ago

Help plz!!!!!!!!! I need help please!!!

Mathematics

1 answer:

KengaRu [80]3 years ago

5 0

8. commutative property of multiplication
9. associative property of multiplication
10.Multiplicative Property of Zero
11.Identity Property of Multiplication
12. commutative property of addition
13.associative property of multiplication
14.Identity Property of Addition
15. commutative property of addition
16. commutative property of multiplication
17.associative property of addition
18.Identity Property of Multiplication
19.associative property of addition
20.Identity Property of Addition
21.Multiplicative Property of Zero
22.associative property of multiplication

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A large pizza costs $17.99. A second large pizza is 14 off. Using an estimate, approximately how much will it cost for 2 large p

EastWind [94]

Answer:

$22

Step-by-step explanation:

17.99 round up so 18

a second large pizza is 14 dollars off of the original price of 18 so 4

18+4 is 22

so 2 large pizzas would cost $22

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3 years ago

Is 0.024 and .024 the same thing

serious [3.7K]

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3 years ago

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Write the statement below as a bicondtional.

gulaghasi [49]

It's the third choice because a biconditional statement is an "if and only if " statement, using all the same words in the original statement.

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3 years ago

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Help again...its for math offering 15 points

Anettt [7]

Answer:

$\tan \dfrac{\theta}2 = \dfrac{1}2$

Step by step Explanation:

$\sin \theta = \dfrac{\text{Perpendicular} }{\text{Hypotenuse}} = \dfrac{12}{15}\\\\\\\cos \theta = \dfrac{\text{Base}}{\text{Hypotenuse}}= \dfrac{9}{15}\\\\\text{Now,}\\\\\tan \dfrac{\theta}2 = \dfrac{\sin \tfrac{\theta}2}{\cos \tfrac{\theta}2}\\\\\\~~~~~~~~=\dfrac{2\cos \tfrac{\theta}2 \sin \tfrac{\theta}2 }{2\cos^2 \tfrac{\theta}2}~~~~~~;\left[\text{Multiply by}~ 2\cos\tfrac{\theta}2 \right]$

$=\dfrac{\sin \theta}{1+ \cos \theta}~~~~~~~~~~~~;[2 \sin x \cos x = \sin 2x ~ \text{and}~ 2\cos^2 x =1+\cos 2x]\\\\\\=\dfrac{\tfrac{12}{15}}{1+ \tfrac{9}{15}}\\\\\\=\dfrac{\tfrac{12}{15}}{\tfrac{24}{15}}\\\\\\=\dfrac{12}{15}\times \dfrac{15}{24}\\\\\\=\dfrac{12}{24}\\\\\\=\dfrac{1}2$

4 0

1 year ago

Multiple w and 8.Then,add 5

saw5 [17]

Answer:

8w+5

Step-by-step explanation:

8*w=8w

8w+5

3 0

3 years ago