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Eva8 [605]
3 years ago
8

Please help me idk this

Mathematics
2 answers:
pickupchik [31]3 years ago
7 0

Answer:

75 cm squared

Step-by-step explanation:

Formula for area:

1/2bh

1/2(10 x 15)

1/2(150)

=75 cm squared

kodGreya [7K]3 years ago
6 0

Answer:

75 square cm

Step-by-step explanation:

area ( \triangle) =  \frac{1}{2}  \times 15 \times 10 \\  = 15 \times 5 \\  = 75 \:  {cm}^{2}

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Factor the following polynomial: <br> 2x^2+8x
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6 0
4 years ago
Is this right? Please help me
aliina [53]
I think you’re right because I put the same thing on my quiz
5 0
3 years ago
The length of a rectangle is 4 less than twice the width. If the perimeter of the rectangle is 130, find the length of the recta
Alchen [17]

Answer:

Let L be the length of the rectangle and w be the width of the rectangle.

"The lenght of a rectangle is one less than twice the width" means L=2W-1

Using perimeter formula of a rectangle which is P=2(L+W) you have:

P=2(L+W)

130=2(2W-1+W)

Solve equation above to find W

130=2(3W-1)

130=6W-2

130+2=6W

132=6W

W=22

From here you find L=2W-1=2x22-1=43

Only thing left is to find area A=LxW

4 0
3 years ago
Find the slope of each set of points.
Elza [17]

Answer:

1. (4, 3) and (-3, 4) has  Slope  = -1/7  

2.(-2, 0) and (8, -4) has Slope  = -2/5

Step-by-step explanation:

If two such points (a,b) and (c,d) are given, then the slope S is given as:

S = (\frac{d-b}{c-a} )

Now here, the given set of points are:

1. (4, 3) and (-3, 4)

Here, the slope S  = (\frac{4-3}{-3-4})  = (\frac{1}{-7})  = -(\frac{1}{7})

⇒ S  = -1/7

1. (-2, 0) and (8, -4)

Here, the slope S  = (\frac{-4-0}{8-(-2)})  = (\frac{-4}{10})  = -(\frac{2}{5})

⇒ S  = -2/5

5 0
3 years ago
February 10: Decimal Operations Graded Review
arsen [322]

Hi there!

Hope this helps!

3 0
3 years ago
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