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3 years ago

What is 95% of A =570

Mathematics

2 answers:

professor190 [17]3 years ago

6 0

Answer:

541.5

Step-by-step explanation:

It's simple just multiply 95%*570=541.5

Hope it helped!!

anzhelika [568]3 years ago

4 0

Answer:

541.5

Step-by-step explanation:

100% = 570

10%= 57

5%= 28.5

100% (570) - 5%(28.5) = 541.5

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How are improper fractions and mixed numbers different from proper fractions?

madreJ [45]

Improper fractions and mixed numbers are always greater than or equal to 1, while proper fractions are less than 1 and greater than 0. Improper fractions have a numerator that's bigger than it's denominator, while proper fractions have a numerator that's smaller than it's denominator.

4 0

3 years ago

Direct variations need help

Solnce55 [7]

Answer:

Part 11) The table represent a direct variation. The equation is $y=18x$

Part 12) The table represent a direct variation. The equation is $y=0.4x$

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form $y/x=k$ or $y=kx$

In a proportional relationship the constant of proportionality k is equal to the slope m of the line and the line passes through the origin

Part 11)

For x=0.5, y=9

Find the value of k

$k=y/x$ -----> $k=9/0.5=18$

For x=3, y=54

Find the value of k

$k=y/x$ -----> $k=54/3=18$

For x=-2, y=-36

Find the value of k

$k=y/x$ -----> $k=-36/-2=18$

For x=1, y=18

Find the value of k

$k=y/x$ -----> $k=18/1=18$

For x=-8, y=-144

Find the value of k

$k=y/x$ -----> $k=-144/-8=18$

The values of k is the same for each ordered pair

therefore

The table represent a direct variation

The linear equation is

$y=18x$

Part 12)

For x=-5, y=-2

Find the value of k

$k=y/x$ -----> $k=-2/-5=2/5=0.40$

For x=3, y=1.2

Find the value of k

$k=y/x$ -----> $k=1.2/3=0.40$

For x=-2, y=-0.8

Find the value of k

$k=y/x$ -----> $k=-0.8/-2=0.4$

For x=10, y=4

Find the value of k

$k=y/x$ -----> $k=4/10=0.4$

For x=20, y=8

Find the value of k

$k=y/x$ -----> $k=8/20=0.4$

The values of k is the same for each ordered pair

therefore

The table represent a direct variation

The linear equation is

$y=0.4x$

8 0

3 years ago

A student claims that the expression “9 times the sum of a number and 13” is translated to the algebraic expression 9n + 13. Is

igor_vitrenko [27]

Answer:

The student is not correct. He should use parentheses like this 9(n+13). Without the parentheses, it means nine times n plus 13, but should be the sum of n plus 13 multiplied by 9.

8 0

3 years ago

Find the ratio of 2500g to 35kg

Katen [24]

35kg - 3500g

3500g - 2500g

= 1000g

5 0

3 years ago

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Luisa's current swimming record is 12% faster than it was last year. If her record last year was 4 minutes and 23 seconds, what

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