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svetoff [14.1K]
3 years ago
15

What is the x value and y value of the point of intersection of y = -3x + 10 and y = 2x - 5?

Mathematics
1 answer:
kakasveta [241]3 years ago
8 0
So you can use substitution...which is where you have Y all alone on one side of your equation and then plug it in to the other equation...2x-5=-3x+10 and you.solve for X. So x= 3. Then plug 3 into one of the original equations... Y=2(3)+5. So Y= 11.
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A red apple has mass of 20 grams .you cut it into 5 slices. what about the aplles has changed ?
Nutka1998 [239]
Well you have cut it into smaller pieces so it would be I guess 4 grams now because 20 divided by 5 is 4.
7 0
3 years ago
4.5 divided -1.5 I just want to know the steps to the answer
Irina18 [472]

Answer:

-3

Step-by-step explanation:

dividing a positive and a negative equals a negative so put the 4.5 in parentheses with the 1.5 and put the negative outside the parentheses. then do what's in the parentheses and add your negative which makes you get a -3

3 0
3 years ago
HELP ASAP! WILL GIVE BRAINLIEST!!
Deffense [45]

Answer:

26.635

Step-by-step explanation:

6.28, the area of the biggest circle

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18, the area of rectangular

6.28+2.355+18

5 0
2 years ago
Geometry please help!
ikadub [295]

Answer:

see explanation

Step-by-step explanation:

The sum of the interior angles of a polygon is

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The polygon here has 8 sides, that is n = 8, thus

sum = 180° × 6 = 1080°

Sum the given angles and equate to 1080, that is

14x + 133 + 167 + 138 + 18x + 115 + 151 + 120 = 1080

32x + 824 = 1080 ( subtract 824 from both sides )

32x = 256 ( divide both sides by 32 )

x = 8

Thus the 2 unknown angles are

14x = 14 × 8 = 112°

18x = 18 × 8 = 144°

8 0
2 years ago
Martha has 3 cards but she wants more.if she makes 5 cards an hour, how many cards will she have after 6 hours?
Paraphin [41]

Answer:

33 cards

Step-by-step explanation:

3 cards already.  5 in 1 hour = 5 x 6 hours = 30 cards + 3 cards


33 cards

5 0
3 years ago
Read 2 more answers
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