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Alex Ar [27]
3 years ago
8

Jimmy gets a discount of 35% for a pair of sneakers with an original price of $70. He also gets a discount of 25% on a shirt wit

h an original price of $30. How much money does Jimmy save in all?
Mathematics
2 answers:
Tanya [424]3 years ago
8 0
First find the total without using the dicounts. then do 70×.35 which is 35% as a decimal. your answer is the dicounts but that is how much you are taking off. .35×70= 24.5 then you would do 70-24.5=45.5 then do the same for the other amount. add these two amounts together. ( 30×.25=7.5 30-7.5= 22.5) 45.5+22.5= 68 then do your first answer - 68 and that is how much is saved
ziro4ka [17]3 years ago
4 0
Jimmy saves $24.50 on the sneakers & $7.50 on the shirt. A total savings of $32.00.
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The sum of the first three terms of an arithmetic sequence is 108, and the sum of the next three terms is 183. what is the value
qaws [65]
The key is to find the first term a(1) and the difference d.

in an arithmetic sequence, the nth term is the first term +(n-1)d
the firs three terms: a(1), a(1)+d, a(1)+2d
the next three terms: a(1)+3d, a(1)+4d, a(1)+5d,
a(1) + a(1)+d +a(1)+2d=108
a(1)+3d + a(1)+4d + a(1)+5d=183

subtract the first equation from the second equation: 9d=75, d=75/9=25/3
Plug d=25/3 in the first equation to find a(1): a(1)=83/3

the 11th term is: a(1)+(25/3)(11-1)=83/3 +250/3=111

Please double check my calculation. <span />
4 0
3 years ago
Solve for b: 3b – 5 = 43
Thepotemich [5.8K]

we have the following:

3b-5=43

solving for b:

\begin{gathered} 3b-5=43 \\ 3b=43+5 \\ b=\frac{48}{3} \\ b=16 \end{gathered}

therefore, the answer is 16

7 0
1 year ago
Read 2 more answers
(5x^3-3x^4-2x-9x^2-2)+(3x^3+2x^2-5x-7)
Anika [276]

Answer:

-3x⁴ + 8x³ - 9x² - 7x - 9

General Formulas and Concepts:

  • Combining like terms

Step-by-step explanation:

<u>Step 1: Define expression</u>

(5x³ - 3x⁴ - 2x - 9x² - 2) + (3x³ + 2x² - 5x - 7)

<u>Step 2: Simplify</u>

  1. Combine like terms (x³):                    -3x⁴ + 8x³ - 9x² - 2x - 5x - 2 - 7
  2. Combine like terms (x):                     -3x⁴ + 8x³ - 9x² - 7x - 2 - 7
  3. Combine like terms (constants):       -3x⁴ + 8x³ - 9x² - 7x - 9
8 0
3 years ago
Solve.<br> |6x − 5| &lt; 7<br><br> Write the equivalent compound inequality <br> &lt; 6x − 5 &lt;
andrew-mc [135]

Answer:

see explanation

Step-by-step explanation:

Inequalities of the type | x | < a always have solutions of the form

- a < x < a

This can be extended to include expressions, that is

- 7 < 6x - 5 < 7 ( add 5 to all 3 intervals )

- 2 < 6x < 12 ( divide all 3 intervals by 6 )

- \frac{1}{3} < x < 2

8 0
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