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salantis [7]
3 years ago
12

The area of Canada is approximately

Mathematics
1 answer:
Alika [10]3 years ago
8 0

Answer:

5

Step-by-step explanation:

10,000,000÷2,000,000=5

(1x10^7)÷ (2x10^6) = 5

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What is the answer 2.07 ÷ 0.9
storchak [24]


The answer is 2.3 right.


5 0
3 years ago
What is the equation of the line that is perpendicular to y=2x+4 and passes through the points (4 6)
Anuta_ua [19.1K]

Answer:

y=-0.5x+8

Step-by-step explanation:

Opposite reciprocal of 2: -0.5

6=-0.5*4+b

6=-2+b

b=8

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3 years ago
I'm home schooling from the virus and I don't know how to solve it​
sergey [27]
The answer is v=25.
5 0
3 years ago
Read 2 more answers
An e-book reader regularly sells for $220. It is on sale for 15% off
MaRussiya [10]

Answer:

Answer is $10,144.50

Step-by-step explanation:

15% of 220 =33

220- 33 = 187

8.5% of 187 =15.89

187+15.89=202.89

202.89 x 50 =10,144.50

3 0
3 years ago
Use the Quadratic formula to find all real zeros of the 2nd degree polynomial
schepotkina [342]

Answer:

  x ∈ {-5, -1}

Step-by-step explanation:

Here's the solution using the quadratic formula:

x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}=\dfrac{-24\pm\sqrt{24^2-4\cdot 4\cdot 20}}{2\cdot 4}\\\\=\dfrac{-24\pm\sqrt{576-320}}{8}=\dfrac{-24\pm\sqrt{256}}{8}\\\\=\dfrac{-24\pm 16}{8}=-3\pm 2=\{-5,-1\}

The real zeros are -5 and -1.

_____

There are many ways to check your answer. One of them is to look at the given quadratic, which has no changes of sign in its coefficients. (They are all positive.) That means there can be no positive real roots, so already you know that x=0.5 won't work.

Also, the constant in the quadratic is the product of the roots, For your roots, their product is -7/4, so even multiplying by 4 (the leading coefficient in the given quadratic), you don't get anything like 20.

4 0
3 years ago
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