4 years ago

Could someone help me asap? :)

Mathematics

2 answers:

svetoff [14.1K]4 years ago

5 0

Answer:

1. The top choice.

2. The third choice.

3. The third choice.

Step-by-step explanation:

Number one is a line, so it should have two arrows.

Number 2 is a segment, so it should have no arrows.

Number 3 is a ray, so it should have one arrow. (The letters need to be in the same direction as the ray, hence why it is BC and not CB)

Thepotemich [5.8K]4 years ago

5 0

Answer:

So, I just leaned this, but I didn't quite understand it. So, this could be wrong.

1. A

2. C

2. C or D

Step-by-step explanation:

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It costs $3.45 to buy 5/8 lb of chopped walnuts. How much would it cost to purchase 7.5 lbs of walnuts? Explain or show your

arsen [322]

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3 years ago

Homework help, one of the few I have

Alex73 [517]

Answer:

x=4 and the solution is not extraneous

Step-by-step explanation:

$\sqrt{2x+1}=3 \\\\2x+1=9 \\\\2x=8 \\\\x=4$

This solution is not extraneous, because plugging it back in you get:

$\sqrt{2(4)+1}=3 \\\\\sqrt{9}=3 \\\\3=3$

Hope this helps!

8 0

3 years ago

Read 2 more answers

in 2007, your company's sales revenues were $400,000. A vigorous advertising campaign increased sales by 20% in 2008, and then b

azamat

first we multiply 400,000 by 1.20 which equals 480,000 which is the sales revenue for 2008 now we multiply 480,000 by 1.30 which equals 624,000

so your sales revenue for 2009 is $640,000

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3 0

3 years ago

Nola Potter earns a salary of $1,200 a month and a commission of 7.5% on all sales over $4,000. This month her sales were $21,40

masya89 [10]

Answer: $5,605

Step-by-step explanation:

Monthly earning = 1200

Commission = 7.5% on sales over 4000

Current month sales = 21400

Total monthly earning :

$4000 + commission on sales over 4000

Total earning for the current month:

$4000 + commission on sales

Commission on current month's sales:

7.5% of 21400

0.075 × $21,400

= $1605

Total amount earned :

$4000 + $1605 = $5,605

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3 years ago

Which linear system of equations does the matrix represent <br> [-3 5|15]<br> [2 3|-10]

Hunter-Best [27]

The matrix represents
-3x + 5y = 15
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8 0

3 years ago