3 years ago

Evaluate the expression for 12−9(−1

Mathematics

1 answer:

VMariaS [17]3 years ago

6 0

Answer:

Step-by-step explanation:

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Find the solution to the system. Write your solution as an ordered pair (x,y)

Studentka2010 [4]

Answer:

Infinitely many

Step-by-step explanation:

If we multiply the equation x-3y=7 by 3, we get 3x-9y=21, which is also the second equation. That means the two lines are on top of each other, meaning infinite many solutions.

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3 years ago

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Marina86 [1]

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3 years ago

The cost of five books is $36.25. What is the unit price?

zimovet [89]

Step-by-step explanation:

Cost of 5 books = $ 36.25

Cost of 1 book = $36.25 / 5 = $ 7.25

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3 years ago

Find mzc. Round the answer to the nearest tenth.<br> A 22.3°<br> B. 23.6<br> C. 26.6°<br> D. 36.9

Butoxors [25]

Answer:

option D 36.9

Step-by-step explanation:

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3 years ago

What is the length of segment HK?

Andre45 [30]

$▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪$

Let's take length of HK = n

By using trigonometry,

$\sin(30) = \dfrac{22}{n}$

$\dfrac{1}{2} = \dfrac{22}{n}$

$n = 44$

Hence, value of HK = 44 cm

5 0

3 years ago