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Pie
3 years ago
8

Estimate.then solve 568-276

Mathematics
2 answers:
maria [59]3 years ago
7 0
570 - 280
= 290

568 - 276 = 292
docker41 [41]3 years ago
6 0
First, we would round the numbers.
568 is 570; 276 is 280.
570-280=290
This is your final answer.
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Original Price: $.75<br> Discount: ? <br> Sale Price: $.15<br> What’s the discount
Drupady [299]
First we find out what percent the sale price is of the original price.

0.15 / 0.75 x 100 = 20%

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100 - 20 = 80% discount
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If 2 fluid ounces equals 60 milliliters , how many milliliters are in 7 ounces of cough syrup
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Which sequence is modeled by the graph below?
mariarad [96]

Answer:

a_n=27\left(\dfrac{1}{3}\right)^{n-1}

Step-by-step explanation:

From inspection of the graph, the given points are:

  • (2, 9)
  • (3, 3)
  • (4, 1)

If we draw a line through the given points, the line is a curve rather than a straight line. If the line was a straight line, the graph would be modeled as an arithmetic sequence. Therefore, as the line is a curve, the given points are modeling a geometric sequence.

<u>General form</u> of a geometric sequence:

 a_n=ar^{n-1}

where:

  • a is the first term
  • r is the common ratio
  • a_n is the nth term

Rewrite the given points as terms of the sequence:

  • (2, 9)  ⇒  a₂ = 9
  • (3, 3)  ⇒  a₃ = 3
  • (4, 1)  ⇒  a₄ = 1

To find the common ratio r, divide consecutive terms:

\implies r=\dfrac{a_3}{a_2}=\dfrac{3}{9}=\dfrac{1}{3}

Calculate the first term (a) by substituting the found value of r and the given values of one of the terms into the formula:

\implies a_2=9

\implies a\left(\dfrac{1}{3}\right)^{2-1}=9

\implies \dfrac{1}{3}a=9

\implies a=27

Substitute the found values of r and a into the general formula to create the sequence modeled by the graph:

a_n=27\left(\dfrac{1}{3}\right)^{n-1}

Learn more about geometric sequences here:

brainly.com/question/25398220

brainly.com/question/27783194

5 0
1 year ago
Read 2 more answers
Which shape is a Parallelogram?
mariarad [96]
The top left is the correct answer, because the sides are parallel.

Hope this helps!
5 0
2 years ago
A cab company charges $10.00 per ride plus an additional .75 per mile write the problem in slope intercept form
Natalija [7]
Well the dependent variable is .75, and the independent variable is 10.

So,
.75x + 10 would be the equation, the number of miles representing x.


8 0
3 years ago
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