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Advocard [28]
3 years ago
5

5

Mathematics
1 answer:
dalvyx [7]3 years ago
6 0

Answer: No solution

Step-by-step explanation:

1. Expand the brackets- 9-3x+5x=2x+4

2. Add common terms- 9+2x=2x+4

3. Subtract 2x from both sides- 9=4

4. Nine cannot equal four and therefore, there is no solution.

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Jessica is planting a garden. It has the shape of a right triangle. She wants 2 plants for each square yard of area. How many pl
attashe74 [19]

Answer:

42 plants

Step-by-step explanation:

Dimensions are missing.

Suppose a right triangle has a base of length 7yards  and a height of 24 yards.

As you know, Area of triangle can be determined by

Area of triangle 'A'=  1/2 x b x h = 1/2 x 7 x 24

A= 84 yards²

Now she wants 2 plants for each square yard of area

therefore, if the area is 84 yards²:

number of plants are 84/2=> 42 plants

Thus, She wants 42 plants in the garden

6 0
3 years ago
Roxy wants a set of markers to make her valentine card one set of three markers cost $12 at target another set of five markers c
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Answer:

Walmart

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15 divided by five equals three dollars for each marker at Walmart.

That makes Walmart the one Roxie should buy markers at. (Unless Roxie cares about how well the markers are made lol)

4 0
3 years ago
Solve x2 - 4 = 77.<br> What’s is the answers
sergey [27]

Answer:

x

=9,-9

correct me if im wrong

Step-by-step explanation:

8 0
3 years ago
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A group of scientists studied the effect of a chemical on various strains of bacteria. Strain A started with 6000 cells and decr
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