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inessss [21]
3 years ago
11

PLEASE HELP IT'S 7TH GRADE MATH... MIGHT BE EASY FOR YOU

Mathematics
1 answer:
sineoko [7]3 years ago
7 0
1) X+12

2) 2x-5

3) 40-x

4) (x1/3)(12)

5) x0.25

6) 2x:4y

7) 12(x-1)

8) 3[(x)(-8)]

9) 7(2x+3)

10) (x-30)+(y-30)
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For this graph, mark the statements that are true.
Goshia [24]

Answer:

B

Step-by-step explanation:

Just answer it

BBSJSSJJSNSNNSOAOOALAKA

4 0
3 years ago
For the purpose of purchasing new baseboard and​ carpet, complete parts a and b below.
Phantasy [73]

Answer:

(a)i. Area=72 square feet

ii. Perimeter =34 feet

(b) Baseboard - perimeter

Carpet - area

Step-by-step explanation:

The room is 9ft x 8ft, therefore it is rectangular shaped.

Length=9ft; Breadth=8ft

(a)i. Area of a Rectangle= Length X Breadth

Area of the room=8X9=72 square feet

ii. Perimeter of a Rectangle=2(Length+Breadth)

Perimeter of the room=2(8+9)=2 X 17 =34 feet

(b) A baseboard goes around the edge or boundary of the room, so it has to do with perimeter

A carpet covers the entire floor so it has to do with the area of the room.

3 0
3 years ago
A $40 shirt now selling for $28 is discounted by what percent?
motikmotik

Answer:

30%

Step-by-step explanation:

Think of this as converting a fraction. 28/40 to x/100. You do this because in the situation, 40 is 100 percent of the price. So 28 is <em>x</em> percent of 100.

You multiply 40 by 2.5 to get to 100, so multiply 28 by the same number to get x. 28 * 2.5 = 70.

So 28 is 70 percent of 40. But the question is asking by what percentage it is <em>discounted. </em>If it's now selling for 70%, it has been discounted 30%. So the answer is 30%

3 0
2 years ago
What expression is equivalent to x+2y+3z
Leno4ka [110]
There aren't any like terms so it would be

x+2y+3z
3 0
3 years ago
What is the answer Please help me Please <br>​ILL MARK YOU BRAINLIEST
bekas [8.4K]
The answer I believe would be 0
6 0
2 years ago
Read 2 more answers
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