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olga nikolaevna [1]
3 years ago
6

Darien ordered a soda for $2.75, a sandwhich for $8.50, and a dessert for $3.85. Sales tax was $1.15. Whats the total amount of

the bill?
Mathematics
1 answer:
Anestetic [448]3 years ago
5 0
Add 2.75 + 8.5+ 3.85 +1.15 and you get 16.25. Hope this helped! :)
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At a clearance sale,Jill got 70% off a silver bracelet.If she paid the cashier $27 ,what was the original price of the bracelet​
mart [117]

Answer:

$38.57

Step-by-step explanation:

Make a proportion.

\frac{27}{x} = \frac{70}{100}

Cross multiply.

27 times 100 = 2700

2700 divided by 70 = 38.57142857

Round the result to the hundredths place.

38.57142857 ≈ 38.57

**Hope this helps!

4 0
3 years ago
True or False: The slope of the line that passes through (9, 9) and (6, 4) is 3/5.
emmainna [20.7K]

Answer:

False.

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS

<u>Algebra I</u>

  • Slope Formula: m=\frac{y_2-y_1}{x_2-x_1}

Step-by-step explanation:

<u>Step 1: Define</u>

Point (9, 9)

Point (6, 4)

<u>Step 2: Find slope </u><em><u>m</u></em>

  1. Substitute:                     m=\frac{4-9}{6-9}
  2. Subtract:                        m=\frac{-5}{-3}
  3. Simplify:                         m=\frac{5}{3}
6 0
3 years ago
How do you do it ???????
Anna007 [38]
Could you type the answer into this answers comments? because I think I see 8452 + something but i cant see what that is
8 0
3 years ago
Rectangle abcd is the image of rectangle abcd after a dilation. What is the scale factor of the dilation? Enter your answer in t
Ivanshal [37]
The scale factor of dilation is 1/2 or
\frac{1}{2}
because the number of rectangle one is multiplied by 1/2 to make rectangle 2


good luck
6 0
3 years ago
Read 2 more answers
Is this right and can someone show me the explanation plz?and how to do the problem I have to show my work
Zina [86]

Answer:

yes it is.

x = 4 and y = -3

Step-by-step explanation:

Solve simultaneously using elimination method:

equation 1 - equation 2

3x + y = 9 equation 1

-2x + y = 5 equation 2

_________

x = 4

plug 4 into any of the 2 equations and solve for y.

3(4) + y = 9

12 + y = 9

12-12 + y = 9-12

y = -3

7 0
3 years ago
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