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MArishka [77]
4 years ago
12

X=-2y-1 and 4x-4y=20 equals what ordered pair

Mathematics
1 answer:
Margarita [4]4 years ago
3 0

Answer:

B), x=-1, y=-2, z=1.

Step-by-step explanation:

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Jim takes great pride in decorating his float for the homecoming parade for his high school. With the $5000 he has to spend, Jim
Westkost [7]

Answer:

r = (5000 - [(5000 x 0.3) + (4000 x 0.6) + (300 x 0.25)])0.8

Simplified - r = 820

Step-by-step explanation:

I don't know how to explain it exactly, but I know you have to find out how much the carnations, tulips, and irises all cost,subtract that from how much money he has, and divide what left by the cost of the roses (by multiplying the 0.8 cents, because it's a decimal).

r = (5000 - [(5000 x 0.3) + (4000 x 0.6) + (300 x 0.25)])0.8

r = (5000 - [1500 + 2400 + 75])0.8

r = (5000 - 3975)0.8

r = 1025(0.8)

r = 820

6 0
4 years ago
MATH IS HARD PLS HELP
cricket20 [7]
The answer is a as the definition of an angle bisector is a line or ray that divides an angle into two congruent angles :)
5 0
3 years ago
Find the width of the rectangular prism when the surface area is 208 centimeters
BlackZzzverrR [31]

Use the surface area formula of a rectangular prism to find the width. (I have changed it to use the same terms given in the problem).


A

=

2

(

d

w

+

h

w

+

h

d

)


Because of the given information, it is known that:


A

=

208


h

=

8


d

=

6


The width is not know, so let it keep it's variable

w

. But substitute the other values into the equation:


A

=

2

(

d

w

+

h

w

+

h

d

)


208

=

2

[

6

w

+

8

w

+

(

8

)

(

6

)

]


208

=

2

(

14

w

+

48

)


Use the distributive property to solve the right side of the equal sign:


208

=

2

(

14

w

+

48

)


208

=

28

w

+

96


112

=

28

w


112

28

=

w


4

=

w


The width is

4

.

5 0
4 years ago
You bike 4 miles the first day of your​ training, 4.2 miles the second​ day, 4.6 miles the third​ day, and 5.4 miles the fourth
Oksanka [162]

Answer:

16.6 miles

Step-by-step explanation:

7 0
4 years ago
Which equation demonstrates the distributive property?
olga2289 [7]

Answer:

D

Step-by-step explanation:

The distributive property takes place when you distribute what is outside of the parentheses into the parentheses, separating out the equation into easier to develop parts. D does this exactly.

8 0
3 years ago
Read 2 more answers
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