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Vanyuwa [196]
3 years ago
5

Casey and Brett are doing their book reports. Casey has written 2 5/8 pages. Brett has written 3/4 of pages less then Casey. How

many pages as Bret written?

Mathematics
2 answers:
belka [17]3 years ago
8 0
Make 2 5/8 an improper fraction which is 21/8 then turn 3/4 by multiping by 2 to get 6/8. Subtract 21/8 from 6/8 which equals to 15/8 or 1 7/8
lyudmila [28]3 years ago
7 0
In order to solve, you have to set both fractions to a common denominator;
looks like this when you do: 2 5/8    and 6/8.

Then you subtract, which comes out to 1 7/8.

So your final answer is Bret has written 1 and 7/8 pages.




i hope this helps (;
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Alice buys some inexpensive bracelets and necklaces as party favors for her jewelry showing. She pays $8 for each necklace (N) a
Jlenok [28]

Answer:

7B+8N<120

Step-by-step explanation:

The total amount of the bracelets and necklaces is less than $120, so if you add the price of each necklace ($8) and the price of each bracelet ($7), it will be <$120.

4 0
3 years ago
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Determine whether the following statement regarding the hypothesistest for two population proportions is true or false.
murzikaleks [220]

Answer:

False

Step-by-step explanation:

Let p1 be the population proportion for the first population

and p2 be the population proportion for the second population

Then

H_{0} p1  = p2

H_{a} p1 ≠ p2

Test statistic can be found usin the equation:

z=\frac{p1-p2}{\sqrt{{p*(1-p)*(\frac{1}{n1} +\frac{1}{n2}) }}} where

  • p1 is the sample population proportion for the first population
  • p2 is the sample population proportion for the second population
  • p is the pool proportion of p1 and p2
  • n1 is the sample size of the first population
  • n2 is the sample size of the second population.

As |p1-p2| gets smaller, the value of the <em>test statistic</em> gets smaller. Thus the probability of its being extreme gets smaller. This means its p-value gets higher.

As the<em> p-value</em> gets higher, the null hypothesis is less likely be rejected.

7 0
3 years ago
Jim's monthly salary is $1,079.40. His monthly job hours are 140. What is his hourly rate of pay?
alex41 [277]

I'm guessing 7.71

Step-by-step explanation:

1,079.40/140

3 0
3 years ago
M minus 5 minus (negative 12)
Nimfa-mama [501]
M-5-(-12) would equal m+7 because there is a negative before the parentheses and in the parentheses which means you would change it to a positive so, negative 5 plus positive 12 is 7 and since the 7 is positive you would add m (hope this helped)
6 0
3 years ago
Determine the value of a, b, and c for the quadratic equation: 4x2- 8x = 3
Rufina [12.5K]

Answer:

B. a = 4, b = -8, c = -3

Step-by-step explanation:

The quadratic equation given is:

4x^2- 8x = 3

The general form of a quadratic equation is given as:

ax^2 + bx +c = 0

Let us put the given equation in this form and then compare with the general form of the quadratic equation.

4x^2- 8x = 3\\\\4x^2 - 8x - 3 = 0

Therefore, by comparing:

a = 4

b = -8

c = -3

The correct option is B

4 0
3 years ago
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