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max2010maxim [7]
4 years ago
15

–3x + 5y = –9 4x+8y=12

Mathematics
1 answer:
7nadin3 [17]4 years ago
8 0
The solution to the system of equations is (1,-6/5)
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MEDAAAL :D
Sonja [21]
<span>The answer is 2431.01. At the end of the first year, 5 percent of 2000 is taken and added on to the 2000 you started with. At the end of the second, another 5 percent of that higher number is taken and added on, and so on and so forth until you end up receiving 2431.01 in total after 4 years.</span>
8 0
3 years ago
Two quantities, and are directly proportional. If were tripled, what would happen to ? CLEAR CHECK It would be multiplied by 6.
den301095 [7]

Answer:

you are correct

Step-by-step explanation:

p.s the way you worded this was confusing

8 0
4 years ago
Read 2 more answers
Help, need to find value of x and explain how I did it (the method used)
garri49 [273]

Answer:

X = 40 degree

Step-by-step explanation:

First I would name the points whatever you do always name the points it really helps

So,

75 = a

50 = b

The middle point will be o

85 = c

X = d

Ok so,

Angle aob = y

Angle cod = z

Now,

75+50+y=180 (angle sum property)

y=180-125

y=55

Angle y = z (vertically opposite angles)

55+85+x=180 ( angle sum property )

x=180-140

Therefore x=40 degree

In higher classes you will be able to do this in your mind itself without calculation all you need is practice.

7 0
4 years ago
Read 2 more answers
Need help as soon as possible please
valina [46]

80 - 9.38 = 70.62

41.54(.07) = 2.91

41.54 + 2.91 = 44.45

66(.07) = 4.62

66 + 4.62 = 70.62

With an $80 gift card, Stephanie can buy a sundress as long as the ticketed price is less than or equal to $66.00.

3 0
4 years ago
Read 2 more answers
Based on a sample survey, a principal claims that 7 out of 10 students like math. If there are 1300 students, how many would you
horsena [70]

Answer:

390

Step-by-step explanation:

find the fraction of those that don't like math

10/10 - 7/10= 3/10

then do 3/10 x 1300 to get 390

5 0
3 years ago
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