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alexandr1967 [171]
3 years ago
12

SALE

Mathematics
2 answers:
aev [14]3 years ago
6 0

Answer

Step-by-step explands

zaharov [31]3 years ago
6 0

Answer:

96/100=0.96

0.96*25=24

96-24=$72

I hope this helps! ;)

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poizon [28]
8.82352941176! thanks!
7 0
4 years ago
Help plsssssss and thank you
Margaret [11]

Answer:

4 is c

5 is b

6 is 11 and 71

7 is 27.5 and 84.25

6 0
3 years ago
Please answer thanks!
EastWind [94]

Answer:

see explanation

Step-by-step explanation:

tan x = -1

x = tan^{-1}(-1)

x = -45

tan x = 5

x = tan^{-1}(5)

x = 78.69

7 0
3 years ago
Read 2 more answers
A system of equations is shown below: x + 3y = 5 (equation 1) 7x − 8y = 6 (equation 2) A student wants to prove that if equation
eduard

First Let we solve the Original system of equations:

equation (1): x+3y=5

equation (2): 7x-8y=6

Multiplying equation (1) by 7, we get

7x+21y=35                          -->(3)

7x-8y=6                           --> (2)

Subtracting,

29y=29 implies y=1

Thenx=5-3(1)=2

Thus the solution of the original equation isx=2, y=1.

Now Let we form the new equation:

Equation 2 is kept unchanged:

Equation (2):7x-8y=6

Equation 1 is replaced with the sum of equation 1 and a multiple of equation 2:

Equation (1): 8x-5y=11

Now solve this two equations: 8x-5y=11, \\                                                    7x-8y=6

Multiply (1) by 7 and (2) by 8,

56x-35y=77

56x-64y=48

Subtracting,29y=29 implies y=1

Then x=2.

so the solution for the new system of equation is x=2, y=1.

This Show that the solution to the system of equations 8x − 5y = 11 and 7x − 8y = 6 is the same as the solution to the given system of equations

4 0
3 years ago
Read 2 more answers
Find the solutions to the equation below.<br> Check all that apply.<br> 4x2 - 4x - 3 = 0
olga55 [171]

Answer:

4×^2-4×-3=0factor(2×+1)

(2×-3)=0 2×+1=0 2+-3=0 2×=-1

2×=3 ×=-1/2 ×=3/2

×=1/2, 3/2

8 0
3 years ago
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