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Inga [223]
3 years ago
6

I am very confused and don't know where to start!

Mathematics
1 answer:
stealth61 [152]3 years ago
5 0
Well, lets start with #3!
<1 is equivalent to <3 because they are vertical angles.
This means that <2 and <4 are congruent because they are vertical angles. We know that a straight line is 180 degrees. So, <1 and <2 added together will equal 180, therefore, <2 is ___________

Since the two lines are parallel, any angle on the other side is congruent, as long as that angle is in the same place as the other. So, we can see that <1 and <7 are in the same place, just moved down. So, <7 is __________.
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Joyce's mother buys some shares of Company A on Day 0.
antoniya [11.8K]

Answer:

(i) 4000

(ii) $5.00

Step-by-step explanation:

Let no. of shares of Company A be X

Let share price of Company B on Day 7 be $y

Share price of Company B on Day 12 = $(y-0.50)

(i)

Consider Day 7:

4.60x - 2000y = 7400................ (1)

Consider Day 12:

4.80x - 5000(y-0.50) = -5800

4.80x - 5000y + 2500 = -5800

4.80x - 5000y = -8300............... (2)

(1)*2.5:

11.5x - 5000y = 18500................. (3)

(3)-(2):

11.5x - 4.80x - 5000y + 5000y = 18500 + 8300

6.70x = 26800

x = 4000

(ii)

Sub. x = 4000 into (1):

4.60(4000) - 2000y = 7400

-2000y = 7400 - 18400

-2000y = -11000

y = 5.5

Share price of Company B on Day 12

= 5.50 - 0.50

= $5.00

3 0
3 years ago
Need some help! Please be specific.
Gala2k [10]

Answer: 210 advanced tickets were sold. 130 same day tickets were sold.

Step-by-step explanation:

x= advanced tickets y=same day tickets

2x+3y=810 this equation represents the money

x+y=340 this equation represents the total number of tickets

x+y=340

<u>-x     -x</u>

y=-340-x             2x+3(340-x)=810               210+y=340

                           2x+1020-3x=810        <u>       -210     -210  </u>    

                           -x+1020=810                       y=130

                              <u>  -1020  -1020</u>

                                 <u>-x</u>=-<u>210</u>

                                 -1     -1

                                  x=210              

                             

3 0
2 years ago
Kylie bought 5 rolls of paper towels. She got 411.2 meters of paper towels in all. How many meters of paper towels were on each
NNADVOKAT [17]

Answer:82.24 meters were on each roll

Step-by-step explanation: 411.2/5=82.24

3 0
2 years ago
Read 2 more answers
Write an algorithm to find sum of first ten even numbers?
Agata [3.3K]

Answer:

n(n+1)

This is the answer I know

4 0
3 years ago
a store owner is arranging clothing on racks. She has 30 sweaters, 45 shirts and 15 pairs of jeans. She wants to put the same nu
tensa zangetsu [6.8K]
I think what the teacher wants is 15  which is the greatest common factor of all three numbers and the factors of 15 are 
1 x 15 and 3 x 5 so the she can put one of each, or she can put 3 of each,
 or she can put 5 of each , or she can put 15 of each.

The problem is unclear however because as worded she could put 2 sweaters, 2 shirts and 2 pair of jeans.  I think the teacher wants all the jeans used.  The number 1,3,5 and 15 will use up all of the jeans.
1 jean on 15 racks
or 3 jeans on 5 racks
or 5 jeans on 3 racks
or 15 jeans on one rack


7 0
3 years ago
Read 2 more answers
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