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TEA [102]
3 years ago
8

Please help the following questions

Mathematics
1 answer:
melisa1 [442]3 years ago
7 0

Answer:

Q 21 :A D Q22 : A C

Step-by-step explanation:

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HELP<br> Can someone help me with number 26 plss
makvit [3.9K]

Answer:

(-2,-9)

(-1,8)

(0,-5)

(1,0)

(2,7)

Step-by-step explanation:

3 0
1 year ago
A rich woman deposits a whole number of dollars x in her bank. The next time she deposits y dollars (still a whole number). Each
grin007 [14]

Answer:

x = 12

y = 22

Total amount = $2596

Step-by-step explanation:

First let's find the value of each deposit until the 10th in relation to x and y:

1st: x

2nd: y

3rd: x + y

4th: x + 2y

5th: 2x + 3y

6th: 3x + 5y

7th: 5x + 8y

8th: 8x + 13y

9th: 13x + 21y

10th: 21x + 34y

Now, we can write a system with two equations and two variables:

2x + 3y = 90

21x + 34y = 1000

From the first equation: x = (90 - 3y)/2

Using this value of x in the second equation, we have:

21*(90 - 3y)/2 + 34y = 1000

945 - 31.5y + 34y = 1000

2.5y = 55

y = 22

Now we can find x:

x = (90 - 3*22)/2 = 12

Now, summing all the deposits, we have a total of 55x + 88y, which is equal to 55*12 + 88*22 = $2596

5 0
3 years ago
Solve the equation.
leonid [27]
C.
l b +8 l = 6 (divided both side by 5)
set b + 8 = 6 or b + 8 = -6 (because this is an absolute value) 
you get answer choice c<span />
4 0
3 years ago
For the equation W = -175t + 8,750, how much water is left after 6 hours?
barxatty [35]

Answer:

7,700

Step-by-step explanation:

-175 x 6 = -1,050

-1,050 + 8,750 = 7,700

5 0
3 years ago
A retailer purchased a camera for rs.1560 and sold it at 5% loss find the loss amount​
zzz [600]

Answer:

Loss is Rs. 78

Step-by-step explanation:

Solution:

Given,

  • Cost Price (CP)= Rs.1560
  • Loss Percent (L%) = 5%

Here,

L%= L/CP ×100%

or,. 5 =L/1560×100

or,. 5×1560/100 =L

or,. L= Rs.78

Therefore, Loss is Rs.78

3 0
2 years ago
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