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Thepotemich [5.8K]
3 years ago
13

How to solve question 8 d? Thanks so much. Whenever answers gets brainliest, also they used the discriminant formula.

Mathematics
1 answer:
rjkz [21]3 years ago
7 0

Answer

7.b

Step-by-step explanation:

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Teresas restraunt bill comes to $29.99 before tax. If the sales tax is 6.25% and she tips the waiter 20%. What is the total cost
alisha [4.7K]

Answer:

$37.86

Step-by-step explanation:

Multiply 29.99 by 0.0625 to get the sales tax

29.99x0.0625=1.87

Multiply 29.99 by 0.20 to get the tip

29.99x0.20=5.998

Round 5.998 to 6

Add 1.87 to 29.99

29.99+1.87=31.86

Add 6 to 31.86

31.86+6=37.86


3 0
3 years ago
A farmer is planning to build a right triangular enclosure in his back pasture. He has already determined the length of the base
MissTica
Plug in the other side for X Sorry if this is not helpful
8 0
3 years ago
By decreasing each dimension by 1 unit, the area of a rectangle deceased from 40 square feet to 28 square feet. Find the percent
arsen [322]

Answer:

30%

Step-by-step explanation:

Initial area is 40 square feet

Final area is 28 square feet

Difference between the initial and final areas will be 40-28=12 square feet

Taking the initial area as the base area and expressing the area change in percentage then the percentage decrease will be equivalent to

\frac {12\times 100}{40}=30

Therefore,  the decrease in area expressed as a percentage is equal to 30%

8 0
3 years ago
For the function f(x) = - 3x + 7 f(- 8) = _<br> f(-8) = (Simplify your answer)
kodGreya [7K]
31

just substitute -8 for all x

process here:

f(x) = -3x + 7
f(-8)= -3(-8) + 7
3 0
3 years ago
Write 5 1/3% as a fraction in simplest form
goblinko [34]
5+1/3=                                                                                                              15/3+1/3=                                                                                                        16/3
7 0
3 years ago
Read 2 more answers
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