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Aliun [14]
3 years ago
10

Question

Mathematics
1 answer:
Natasha2012 [34]3 years ago
8 0

Answer:

  28/81

Step-by-step explanation:

As you know, the product of fractions is the product of their numerators, divided by the product of their denominators. As with any product, the sign will be positive if there are an even number of minus signs among the factors.

  (-4/9)(-7/9) = (4·7)/(9·9) = 28/81

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Determine the measure of EBD
Soloha48 [4]

Answer:

Answer:

EBD= 156

Step-by-step explanation:

Hope it's answer you

Mark as Brainlist

5 0
3 years ago
Read 2 more answers
Oil prices are projected to increase by 100% by next June. A quart of oil currently costs $2.45. What is the projected cost of a
lisov135 [29]

Answer:

4.9

Step-by-step explanation:

100% of 2.45 is 2.45.

We add 2.45 + 2.45 which is <u>4.9. </u>

Can I get brainliest?

8 0
3 years ago
If anyone knows please help me
pishuonlain [190]

Answer:

Step-by-step explanation:

Standard form of a circle is given by,

(x - a)² + (y - b)² = r²

Here, (a, b) is the center and 'r' is the radius of the circle.

For a circle having center (8, -4) and radius r = 1

Equation of the circle will be,

(x - 8)² + (y + 4)² = 1²

(x - 8)² + (y + 4)² = 1

Option (1) is the answer.

Question (2)

Circle with the center (-1, 0) and a point (2, -4) on it,

Radius of the circle = Distance between the center and the given point on                                         circumference

                                = \sqrt{(x_1-x_2)^2+(y_1-y_2)^2}

                                = \sqrt{(-1-2)^2+(0+4)^2}

                                = \sqrt{9+16}

                                = 5

Therefore, equation of the circle will be,

(x + 1)² + (y - 0)² = 5²

(x + 1)² + y² = 25

8 0
3 years ago
Answers for both boxes please ​
sleet_krkn [62]

Answer:

x = -5  y = -3

Step-by-step explanation:

-3x + 2y = 9

multiply the 2nd equation by 3 to set it up for elimination

3(x - 3y)= 3(4)

3x-9y = 12

so now combine both to add

-3x + 2y = 9

3x - 9y = 12

Adding both gives you

-7y = 21

divide both by -7 and you get

y = -3

and you substitute y back into equation to get x

x - 3 (-3) = 4   gives you

x + 9 = 4

x = 4 - 9

x = -5

7 0
3 years ago
What is the surface area of the prism?
Harman [31]
Area of lower rect + area of upper + 4 * sides rect areas

lower = upper rect

2 * rect1 + 4 * rect2

Area = 2 * 6 * 11 + 2 * 11 * 9 + 2 * 9 * 6 = 438 ft^2

or simply just take 2 ( and multiply each two sides.

5 0
3 years ago
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