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3 years ago

Points A and B are collinear. This means that points A and B _____.

1 answer:

8 0

My dear friend ✌ ✌

✨Points A and B are collinear if they lie on the same straight line.

So,

➡The right option is (3)

Hope this helps you ⏪

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Paul buys 5 bags of chips and 9 bags of pretzels for $16.95. Ian buys 1 bag of chips and 1 bag of pretzels for $2.55. Find the c

egoroff_w [7]

Answer: The cost of one bag of chips is $1.5 and cost of one bag of pretzels is $1.05.

Step-by-step explanation:

Let x= Cost of one bag of chips

y= Cost of one bag of pretzels.

As per given, we have

5x+9y=16.95 ...(i)

x+y=2.55 ...(ii)

Multiply 5 to (ii), we get

5x+5y=12.75 ...(iii)

Eliminate (iii) from (i), we get

$4y=4.2\\\\\Rightarrow\ y=1.05$

Put value of y in (ii), we get

$x+1.05=2.55\\\\\Rightarrow\ x=2.55-1.05=1.5$

Hence, the cost of one bag of chips is $1.5 and cost of one bag of pretzels is $1.05.

3 0

3 years ago

If 4 is added to 8 to equal 12, how would the operation be undone

yarga [219]

Answer:

4+8=12

Step-by-step explanation:

7 0

3 years ago

How do i find the area of this composite figure?

diamong [38]

To find the area of a composite figure, separate the figure into simpler shapes whose area can be found. Then add the areas together. Be sure than none of the simpler figures have overlapping areas

6 0

3 years ago

Read 2 more answers

Please help i beg i never get these right

Anuta_ua [19.1K]

Answer:

$\sin(105) = \frac{\sqrt 2 + \sqrt 6}{4}$

Step-by-step explanation:

Given

$\sin(105^o)$

Required

Solve

Using sine rule, we have:

$\sin(A + B) = \sin(A)\cos(B) + \sin(B)\cos(A)$

This gives:

$\sin(105^o) = \sin(60 + 45)$

So, we have:

$\sin(60 + 45) = \sin(60)\cos(45) + \sin(45)\cos(60)$

In radical forms, we have:

$\sin(60 + 45) = \frac{\sqrt 3}{2} * \frac{\sqrt 2}{2} + \frac{\sqrt 2}{2} * \frac{1}{2}$

$\sin(60 + 45) = \frac{\sqrt 6}{4} + \frac{\sqrt 2}{4}$

Take LCM

$\sin(60 + 45) = \frac{\sqrt 6 + \sqrt 2}{4}$

Rewrite as:

$\sin(60 + 45) = \frac{\sqrt 2 + \sqrt 6}{4}$

Hence:

$\sin(105) = \frac{\sqrt 2 + \sqrt 6}{4}$

3 0

3 years ago

1.The four girls ran in a relay race as a team. If each girl ran one part ofthe race, what was the team’s total time?

natulia [17]

It depends on the total of how long the race took, but each girl ran 1/4 of the race so if you know the total time just divide the time by 4 and you will get the answer. If you don't just say each girl ran 1/4 of the time.

3 0

3 years ago