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horsena [70]
3 years ago
11

PLEASE help me with the answers!!!

Mathematics
2 answers:
jasenka [17]3 years ago
5 0
100=1,478,300
1000=1,478,000
10,000=1,470,000
iris [78.8K]3 years ago
5 0
100: 1,478,000
1,000: 1,480,000
10,000: 1,500,000
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Y=2x y=-1/2x+5 system of equations
dalvyx [7]

Answer:

<em><u>x=2, y=4</u></em> (as a point,) (2, 4)         (last part is unnecessary unless you are graphing)

Step-by-step explanation:

Use substitution.

Substitute y for 2x.

Since y=2x, you can plug 2x into the place where y goes...

Instead of y=-1/2x+5

2x=-1/2x+5....Now solve

2.5x=5 (Sorry my computer cannot type fractions very clearly)

/2.5    /2.5        (dividing by 2.5 on both sides)

<u><em>x=2</em></u>

Now just plug x into any of the equations to find y (preferably the easier one).

y=2x becomes

y=2*(2)

=4

<em><u>y=4</u></em>

5 0
3 years ago
I DONT KNOW WHAT IS 89090x908
never [62]

Answer:

80 893 720

Step-by-step explanation:

hope dis helps!!!!

6 0
2 years ago
Answer these questions please. (All three)
viktelen [127]

Answer:

16: y=4x+14 17: 12 18: when you simplify it all individually you get x=3 for both equations. 19: $6.69

Step-by-step explanation:

16:y-2=4(x+3) distribute 4 and get y-2=4x-12. Add 2 to both sides to get y-4x+14.

17:x+2y=4 and 3x+6y=? divide 3x+6y by three and you get x+2y=4. This means you can just multiply the 4 by 3 to get the answer.

18:3x-5=4 and 3x-3=6. For the first one add 5 to both sides to get 3x=9 then divide both side by 3 to get x=3. For the second one add 3 to both sides to get 3x=9. Again divide both sides by three to get x=3.

19: $18-$4.62=13.38 since he wants 2 models divide 13.38 by 2 to get 6.69.

6 0
2 years ago
Are the equations correct? And how do you solve this completely?
irina [24]
Your equations are right. just use the substitution method to solve. substitute y because both have that on one side

it'll look like 40x+30=30x+60.
then just get x in one side. I showed my owrk in the photo

5 0
3 years ago
Read 2 more answers
A number divided by 5 is at least 4
mina [271]

Answer:

sorry I'm not sure how to help with that yet

5 0
3 years ago
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