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ikadub [295]
3 years ago
6

Expand this equation 2x(5x-2)

Mathematics
1 answer:
m_a_m_a [10]3 years ago
5 0

Answer:

10x^2-4x

Step-by-step explanation:

We will have to open the bracket first

So let's solve

2x(5x-2)

10x^2-4x

Since we are not asked to solve further so we will have to leave he final answer as 10x^2-4x

But in the case where a certain value is given to substitute for x we will have to solve further

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attashe74 [19]

Answer:

-1

Step-by-step explanation:

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3 years ago
Wilma and Fred rode their bikes toward each other from points on a straight road 32 miles apart. If Fred rode 3 miles per hour f
Firdavs [7]

Answer:

wilma is 22.5 mph

fred is 25.5 mph

Step-by-step explanation:

Time:40 minutes, or 2/3 hours

Speed:

Fred:x+3

Wilma: x

Distance:32 miles

2/3(x+x+3)=32

2/3(2x+3)=32

1 1/3x+2=32

4/3x=30

x=22.5

wilma is 22.5 mph

fred is 22.5+3= 25.5 mph

6 0
3 years ago
5. Maribel makes bead necklaces. She uses a
sleet_krkn [62]

Answer:

<u>A.  52 green beads; 39 yellow beads</u>

Step-by-step explanation:

See the attachment.  If we take the ratios of 4, 2 , and 3, they add to 9.  The

Green (G), Blue (B), and Yellow (Y) will have 4/9, 2/9 and 3/9 each of the total beads, 117.

G:  52 Beads

B:  26 Beads

Y:  39  Beads

6 0
2 years ago
PLEASE PLEASE PLEASE I ALMOST DONE AND I NEED THIS QUESTION
sukhopar [10]

Answer:

107

Step-by-step explanation:

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3 years ago
Which story problem could be solved using the given equation? 15×23=m Karen measured 23 cup of milk for a recipe. She then added
masya89 [10]

Answer:

Jasmine bought some tiles to put around her patio. Each tile has a length of 23 foot and a width of 15 foot.

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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