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3 years ago

I suck at this please help... :,(

Mathematics

1 answer:

loris [4]3 years ago

4 0

A quadrilateral with two pairs of sides

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The table and the graph below each show a different relationship between the same two variables, x and y.

Blizzard [7]

Answer:

240

Step-by-step explanation:

Using the straight line formula; y=mx+c, take two points, for example, (4, 80) and (5, 100)

m=change in y/change in x, so;

m=(100-80)/(5-4)= 20

Take point (4, 80)

80=20×4 + c

80-80=c=0

so y=20x

y=20×12=240

5 0

2 years ago

What is −4(−5x+2)−3x−5= -30

alexandr1967 [171]

Answer:

x = -1

Step-by-step explanation:

Step 1: Write equation

-4(-5x + 2) - 3x - 5 = -30

Step 2: Solve for x

Distribute -4: 20x - 8 - 3x - 5 = -30

Combine like terms: 17x - 13 = -30

Add 13 on both sides: 17x = -17

Divide both sides by 17: x = -1

3 0

3 years ago

Read 2 more answers

community group is planning the expansion of a square flower garden in the city park if each side of the original Garden is incr

JulijaS [17]

4mm
The sides of the new garden can be represented by x+9. x is the original size and 9 is the added 9mm. Multiply the sides to get (x+9)(x+9) or $(x+9)^2$
this will equal the area. Create an equation to solve for the unknown original length.
$169=(x+9)^2$
Take the square root of both sides
13=x+9
Subtract both sides by 9
4=x The original side was 4mm long

8 0

3 years ago

loris book has 6 times more pages than sals book. the combined number of pages for the two books is 532. how many pages loris bo

julia-pushkina [17]

Your equation would be x+6x=532. You would add the "x's" together to get 7x=532. You would then divide each side by 7 resulting in x=76. This means Sal's book has 76 pages. To get Lori's book, you just times Sam's by 6 (76×6) which is 456. Lori's book has 456 pages.

6 0

4 years ago

4/18 reduced too the lowest terms if possible

ExtremeBDS [4]

Answer:

2/9

Step-by-step explanation:

This will be the simplest term because you divide 4 by to 2 then 18 by 2 to equal 2/9 you cannot simplify it anymore by the same number

8 0

3 years ago

Read 2 more answers