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3 years ago

A parallelogram has side lengths of 4 and 6 and an angle of measure 55°.

Mathematics

1 answer:

Makovka662 [10]3 years ago

5 0

Answer:

it is 5

Step-by-step explanation

Got the answer right when I answered it, on edgunity

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A bookshelf is 3 1/2 feet long.each book on the shelf is 5/8 inches wide. how many books will fit on the shelf

viktelen [127]

Number of books = 42 / 5/8 (Note 3 1/2 feet = 42 ins.)

= 42 * 8/5 = 336 / 5 = 67.2

67 books will fit on the shelf.

4 0

3 years ago

Where y=5x-7 and -3x-2y=-12 Write your answer as x,y

Mariulka [41]

Answer:

(x,y) = (2,3)

Step-by-step explanation:

y=5x-7 (i)

-3x-2y= -12

-(3x+2y)= -12

3x+2y= 12 (ii)

By putting the value of y from (i) in (ii)

3x+2(5x-7)=12

3x+10x-14=12

13x=12+14

13x= 26

x = $\frac{26}{13}$

x= 2

By putting the value of x in (i)

y= 5(2)-7

y= 10-7

y= 3

(x,y) = (2,3)

5 0

2 years ago

-y varies inversely with x. When y = 9.6, x = 12. What is the value of k, the constant of inverse variation?

alisha [4.7K]

Question 1:

For this case we have an equation of the form:

$y = \frac {k} {x}$

Where,

k: inverse variation constant.

Then, substituting values we have:

$y =\frac {k} {x}$

From here, we clear the value of k.

We have then:

$k = 9.6 * 12\\k = 115.2$

Answer:

the constant of inverse variation is:

$k = 115.2$

Question 2:

For this case we have:

$y = \frac {k} {x}$

Where,

k: constant of variation.

Then, substituting the value of the constant we have:

$y =\frac {5.6} {x}$

We now substitute the value of x:

$y = \frac {5.6} {4}\\y = 1.4$

Answer:

the value of y when x = 4 is: $y = 1.4$

6 0

3 years ago

Which expressions are equivalent to -6 +49 +(-6q)? Choose all answers that apply:

Sidana [21]

Answer:

C, none of them are equivalent

BECAUSE

For A, the -4q should be positive 4q to apply

For B, the 2q when distributing with the parentheses should be negative 2q to work with the expression above

Hope this helps!

8 0

2 years ago

Read 2 more answers

A bag contains three red marbles, six blue marbles, and three yellow marbles. What is the probability of selecting one red marbl

Fed [463]

A bag contains three red marbles, six blue marbles, and three yellow marbles.

therefore total no. of marbles = 3 + 6 + 3 = 12

total no. of red marble = 3

therefore probablity of selecting one red marble is 3/12 = 1/4

again total no. of blue marbles is 6

therefore probability of selecting one blue marble is 6/12 = 1/2

now total probability of selecting one red ball replacing it then selecting one blue marble is. 1/4 * 1/2 = 1/8

4 0

3 years ago