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Fofino [41]
3 years ago
5

A bag cost $58 more than 2 identical wallets. Mrs Tan paid $632 for 2 identical

Mathematics
1 answer:
vovikov84 [41]3 years ago
6 0

Answer:

8 Wallets cost 8 * 43 = 344 $

Step-by-step explanation:

The text provides us with the following system:

1. B = 2W + 58

2. 632 = 2B + 8W

Which can be re-evaluated to:

1.    B  - 2W = 58

2. 2B + 8W = 632

We multiply 1. with 2 and get:

1.  2B - 4W = 116

We then subtract 1. from 2. and get:

12W = 516 --(:12)--> W = 43

We then insert W = 43 into 1.:

B = 2*(43) + 58

--> B = 86 + 58 = 144

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WITCHER [35]

Answer:

C. 8 to the -12 power

Step-by-step explanation:

when dividing numbers with an exponent, if they are the same # like 8 and 8, then you just subtract the exponents so 4 - 16 = -12

3 0
3 years ago
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Simplify the expression. 1−(sec2x−tan2x)
tangare [24]

Answer: 1

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Step-by-step explanation:

8 0
3 years ago
49+y+7+x-1=180 whats the value for x and y
Anna [14]

I'm not sure i think I'm wrong but the value for x and y is 49 and 55, sorry if I'm wrong

8 0
3 years ago
The sum of the measures of the angles is 180. The sum of the measures of the second and third angles is two times the measure of
grigory [225]
<h2>60,47,73</h2>

Step-by-step explanation:

Let the first angle be a degrees

Let the second angle be b degrees

Let the third angle be c degrees

It is given that sum of angles is 180 degrees.

so,a+b+c=180                      ...(i)

It is given that sum of the measures of the second and third angles is two times the measure of the first angle.

b+c=2\times a                     ...(ii)

It is given that the third angle is 26 more than the second.

c=26+b                                ...(iii)

using (ii) and (iii),

b+b+26=2a

b+13=a

using (i),(ii) and (iii),

a+b+c=a+a-13+26+b=a+a-13+26+a-13=3a

3a=180

a=60

b=a-13=60-13=47

c=26+b=26+47=73

3 0
3 years ago
The sum of three numbers is 81. The first number is 6 more than the second. The third number is 3 times the second. What are the
sineoko [7]
Let the second no. be x.
First no. = x+6
Third no. = 3x
Sum= 81

Therefore,
x + x + 6 + 3x = 81
=> 5x + 6 = 81
=> 5x = 81-6
=> x = 75/5
=> x = 15

Answer:
So, the first no. is (15 + 6) 21
The second no. is 15
The third no. is (3*15) 45

Hope it helps u!
5 0
3 years ago
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