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3 years ago

Complete the sentence to explain how to use mental math to express 12/25 as a percent.

Mathematics

2 answers:

WARRIOR [948]3 years ago

8 0

Answer:

THE FIRST LINE: 4

THE NUMERATOR ON THE FRACTION: 48

LAST LINE: 48

hope this helped:)

labwork [276]3 years ago

3 0

Answer:

the first one is 4 i think and the last one is 48 percent. im not sure if the dotted line is a underline tho

Step-by-step explanation:

:))

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Write an equation for the nth term of the arithmetic sequence. Then find a50. −29, −12, 5, 22, . . . an = a50 =

DIA [1.3K]

Answer:

$\bold{a_n=17n+46}\\\\\bold{a_{50}=896}$

Step-by-step explanation:

−29, −12, 5, 22, ...

-12-(-29) = 17; 5-(-12) = 17; 22-5 = 17 ⇒ d = 17

first term: a = -29

difference: d = 17

so the formula:

$a_n=a+d(n-1)\\\\a_n=-29+17(n-1)\\\\a_n =-29+17n-17\\\\\underline{a_n=17n+46}$

and:

$a_{50}=17\cdot50+46=850+46 = 896$

8 0

4 years ago

Analyze the following statement:

makvit [3.9K]

The answer would be correlation. Michele watches the videos and her playing better against those teams have a "mutual relationship" which is the definition of correlation

5 0

3 years ago

Read 2 more answers

Find the slope of the line passing through the pairs of points and describe the line as rising, falling, horizontal or vertical.

Anna [14]

Answer:

$a.\ m=2,\ \text{the line is rising}\\\\b.\ m=-\dfrac{5}{4},\ \text{the line is falling}\\\\c.\ m=0,\ \text{the line is horizontal}\\\\d.\ m\ is\ unde fined,\ \text{the line is vertical}$

Step-by-step explanation:

The formula of a slope:

$m=\dfrac{y_2-y_1}{x_2-x_1}$

m > 0, then a line is rising

m < 0, then a line is falling

m = 0, then a line is horizontal

m is undefined, then a line is vertical

(2, 1) and (4, 5)

$m=\dfrac{5-1}{4-2}=\dfrac{4}{2}=2>0\to\text{rising}$

(-1, 0) and (3, -5)

$m=\dfrac{-5-0}{3-(-1)}=\dfrac{-5}{4}=-\dfrac{5}{4}$

(2, 1) and (-3, 1)

$m=\dfrac{1-1}{-3-2}=\dfrac{0}{-5}=0\to\text{horizontal}$

(-1, 2) and (-1, -5)

$m=\dfrac{-5-2}{-1-(-1))}=\dfrac{-7}{0}\ \text{UNDEFINED}\to\text{vertical}$

7 0

3 years ago

40 degree, 3x, and 4x solve for x

Alex73 [517]

Answer:

The value of x would be 20

Step-by-step explanation:

To solve this triangle, we need to first note that all triangles have 180 degrees. So we can add these all together and set equal to 180.

40 + 3x + 4x = 180

40 + 7x = 180

7x = 140

x = 20

8 0

4 years ago

Find the dimensions of a rectangle with perimeter 116 m whose area is as large as possible. (if both values are the same number,

creativ13 [48]

The dimensions would be 29 by 29.

To maximize area and minimize perimeter, we make the dimensions as close to equilateral as possible.

Dividing the perimeter by the number of sides, we have

116/4 = 29

This means that both length and width can be 29.

5 0

4 years ago