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Mars2501 [29]
2 years ago
9

If the product is positive then m and n have

Mathematics
2 answers:
ser-zykov [4K]2 years ago
7 0

Answer:

Both are positive or both are negative.

Step-by-step explanation:

Crank2 years ago
6 0

Answer:

Both be positive or both be negative

Step-by-step explanation:

Both be positive or both be negative

+ *+ = +

- * - = +

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A circle with the diameter of 40 inches. what is the area?
Vsevolod [243]

Answer:

<em>A= 1256</em>

Step-by-step explanation:

<u>The formula for area of a circle is </u>A=\pi r^{2}

1. Diameter is DOUBLE of radius, so the diameter must be divided by 2. <em>40/2 = 20. </em>

<em>2. </em>Then, plug in the values into the area formula. <em>A= 3.14</em>(20^{2})

3. Solve.<em> A= 1256</em>. (Remember that 20 squared is <em>20x20</em>)

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3 years ago
Write an expression, using an exponent, that is equivalent to 9\times 9\times 9\times 9\times 9\times 9\times 99×9×9×9×9×9×9
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Nine to the eighth power
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3 years ago
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tensa zangetsu [6.8K]

.......hope this helps

8 0
3 years ago
Janice has 15 pets. Each of her pets is either a dog or a bird. If her pets have a total of 38 legs, how
balu736 [363]

<em>Hi!</em>

<em></em>

<em>These can be set up as systems of equations.</em>

<em> </em>

<em>Let b = the number of birds, and let d = the number of dogs.</em>

<em> </em>

<em>b + d = 21</em>

<em> </em>

<em>2b + 4d = 76 (this is because birds have 2 legs and dogs have 4 legs.)</em>

<em> </em>

<em>You can solve this using either elimination or substitution.</em>

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<em>Consider marking brainliest.</em>

3 0
2 years ago
Jane Marko buys a car for $43,900. In three years, the car depreciates 48% in value. How much is the car worth in 3 years
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$21,072 is the answer since you the original price is 43,900 and it has decreased 48% therefore using .48 to multiply with 43,900 to find the value after 3 years
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3 years ago
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