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lyudmila [28]
3 years ago
6

It takes Emma 18 minutes to type and spell check 10 pages of a manuscript. Find how long it takes her to type and spell check 65

pages.
a. 36 min
c. 18 min
b. 1170 min
d. 117 min
Mathematics
2 answers:
oksian1 [2.3K]3 years ago
8 0
18min=10pg
   x= 65pg 
and then use cross multiply
x=117
vesna_86 [32]3 years ago
7 0

D. 117 min.

You take 18 minutes and divide it by 10 pages, and it should give you 1.8 minutes, You take that and multiply it by 65, and you should get 117 minutes

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50/72 = 69%
100-69= 31% decrease

2. 14 to 40 books
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100-35= 65% increase

3. 10 plus 30% increase
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8 0
3 years ago
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How many solutions does a triangle with side lengths a = 6, a equals 110 degree , and b = 10 have?
Lelu [443]
The Answer is 0. No solution
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The figure below is a square. Find the length of side x in simplest radical form with a rational denominator.
Mashcka [7]

Answer:

\frac{\sqrt{10}}{2}

Step-by-step explanation:

The diagonal forms two 45-45-90 triangles, with the diagonal being the hypotenuse of both. The Pythagorean Theorem states that a^2+b^2=c^2, where c is the hypotenuse of the triangle, and a and b are the two legs of the triangle.

From the Isosceles Base Theorem, the two legs of a 45-45-90 triangle are always equal. Since we're given a diagonal of \sqrt{5}, we have:

x^2+x^2=\sqrt{5}^2,\\2x^2=5,\\x^2=\frac{5}{2},\\x=\sqrt{\frac{5}{2}}=\frac{\sqrt{5}}{\sqrt{2}}=\frac{\sqrt{5}}{\sqrt{2}}\cdot \frac{\sqrt{2}}{\sqrt{2}}=\boxed{\frac{\sqrt{10}}{2}}

7 0
3 years ago
The graph shows the exponential regression model for data representing a rabbit population after x years. Which is true of the r
tamaranim1 [39]

Answer: The graph of the regression model can be used to predict the population size for any number of years in the future.

Step-by-step explanation:

Since with help of the given graph, we can say that

The graph of the regression model is applied for the every real value of x.

Thus the statement The graph of the regression model is limited to whole-number values for x is false.

Also, the range of an exponential function is always a set of real number.

Therefore, The graph of the regression model is limited to whole-number values for y is false.

Since, for 1 year, the approximate population is given,

Therefore, The graph of the regression model cannot be used to approximate the population size for year 1 is false.

Again according to the given graph we can say that we can get the population for any number of year.

Thus, The graph of the regression model can be used to predict the population size for any number of years in the future is true.


5 0
3 years ago
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In​ 2006, the population of a country was 40.2 million people. From 2006 to 2050 comma the​ country's population is expected to
Hatshy [7]

You can figure the remaining percentage in 2050 and calculate using that, or you can figure the amount of population that will be lost and subtract that from the 2006 value.

<u>First method</u>: The remaining population will be 100% - 5.8% = 94.2% of that in 2006. 0.942×40.2 million ≈ 37.9 million

<u>Second method</u>: 5.8% of 40.2 million is about 2.3 million, so the remaining population will be 40.2 - 2.3 = 37.9 million

6 0
3 years ago
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