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vlabodo [156]
1 year ago
6

99×101 has the same value as (99×100)+1 (99×100)-(99×1) (99×100)+(99×1) (99×100)(99×1)

Mathematics
2 answers:
Nuetrik [128]1 year ago
6 0

99 * 101=

99 * (100+1)

= 99 * 100 + 99*1

(99×100)+(99×1)


liberstina [14]1 year ago
4 0

The answer is (99 * 100) + (99 * 1)

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PLS HELP : A school chess club needs to raise at least $750 to attend a state competition. The club has already raised $400 and
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The Godari family is planning to build a new patio in their backyard. They haven’t decided how big it will be, but they know the
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Let the letter l represent the length of the patio. From the question we already know that the relationship between the length and the width (w) of the patio are:

l=2w-5

1. The relationship between the width and the length is linear because it involves only the power/exponent of 1. In other words, l is raised to the power 1 and w too is raised to the power of 1 in the equation l=2w-5.

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As can be seen from the table, width of 2 ft gives us length to be -1 ft and that is an absurdity.

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3 0
1 year ago
The mean GPA of student in a course at UCDevis is 3.2 with a standard deviation of 0.3. What percent of student in a course have
Orlov [11]

Answer:

81.86%

Step-by-step explanation:

We are given that the mean GPA of students in a course at UC Davis is 3.2 with a standard deviation of 0.3.

Assuming that the data follows normal distribution.

Let X = GPA of students in a course at UC Davis

So, X ~ Normal()

The z score probability distribution for normal distribution is given by;

                              Z  =   ~ N(0,1)

where,  = population mean GPA = 3.2

           = standard deviation = 0.3

Now, the probability that the students in the course have a GPA between 2.9 and 3.8 is given by = P(2.9 < X < 3.8)

       P(2.9 < X < 3.8) = P(X < 3.8) - P(X  2.9)

       P(X < 3.8) = P(  <  ) = P(Z < 2) = 0.97725

       P(X  2.9) = P(    ) = P(Z  -1) = 1 - P(Z < 1)

                                                        = 1 - 0.84134 = 0.15866

The above probability is calculated by looking at the value of x = 2 and x = 1 in the z table which has an area of 0.97725 and 0.84134 respectively.

Therefore, P(2.9 < X < 3.8) = 0.97725 - 0.15866 = 0.8186

Hence, 81.86% of students in the course have a GPA between 2.9 and 3.8.

5 0
1 year ago
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