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3 years ago

Enter a number in each box to create an expression equivalent to -3 (-2 + 5)

Mathematics

1 answer:

egoroff_w [7]3 years ago

6 0

Answer:

3*-3+0*5

Step-by-step explanation:

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A company makes traffic signs.One of their signs can be modeled by an equilateral triangle with a perimeter of 144 inches. The c

Mars2501 [29]

Answer:

The perimeter of the larger sign : 144*1,25= 180 inches

Side of the triangle= 180/3= 60 inches

square of the height= 60^(2) - 30^(2)= 2700 ( Pythagoras' theorem)

height= square root ( 2700)= 51,96

Step-by-step explanation:

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3 years ago

I need to know which number is greater on each problem from numbers 8-12 and 13-16

Elena L [17]

7) 7/8
8) 13.5%
9) 3/25
10) 150%
11) 1/4
12) 2/3
13) .31
14) 17/20
15) .81
16) 1.4

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4 years ago

What is the equation of a circle with center of (4,2) passing through the point (7,2)

attashe74 [19]

Answer:

(x-4)^2 + (y-2)^2 = 3^2

(x-4)^2 + (y-2)^2 = 9 (simplified if needed)

Step-by-step explanation:

-Equation of a circle is:

$(x-h)^2+(y-k)^2=r^2$ where the center is (h, k) and the radius is $r^2$ .

-Place the center and the point onto that equation:

$(7-4)^2+(2-2)^2=r^2$

-Then, you solve:

$(7-4)^2+(2-2)^2=r^2$

$(3)^2+(0)^2=r^2$

$9 +0=r^2$

$9=r^2$

$\sqrt{9} =\sqrt{r^2}$

$3=r$

-So, the result is:

$(x-4)^2+(y-2)^2=3^2$

$(x-4)^2+(y-2)^2=9$ (simplified if needed)

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3 years ago

Which inequality is graphed in green

adelina 88 [10]

Answer:

The one on the right. y< -x/2 - 1

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3 years ago

Help me if anyone responds in first 10 minutes they get 20 points

zalisa [80]

$sa = 2(wl + hl + hw) \\ sa = 82$

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3 years ago