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3 years ago

What's the word phrase for 1.9 + n

Mathematics

1 answer:

Irina18 [472]3 years ago

8 0

The sum of 1.9 and n.

Add n to 1.9.

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GalinKa [24]

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2 years ago

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The Marine Discovery Aquarium sells ocean-themed cookies in their gift shop. Last month, they sold 65 shark cookies and 85 clown

Juliette [100K]

Answer:

130 shark cookies

Step-by-step explanation:

Number of shark cookies sold last month = 65

Number of clown fish cookies sold last month = 85

Ratio = $65:85=13:17$

Now, the Marine Discovery Aquarium plans to order 170 clown fish cookies this month.

So,

Number of shark cookies : Number of clown fish cookies = $13:17$

Number of shark cookies : 170 = $13:17$

Therefore,

Number of shark cookies = $\frac{13}{17}(170)=130$

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2 years ago

An airplane is flying 22° north of east at a speed of 810 km per hour. How fast is it moving to the north?

swat32

B or 810 km per hour

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3 years ago

A carton of apples weighs 25.7 pounds. Michael orders 21 cartons. How much did all the cartons weigh?

Fudgin [204]

Answer:

539.7

Step-by-step explanation:

Multiply 25.7 to 21 to get the answer.

4 0

2 years ago

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Pre-Calc help:

stepladder [879]

Answer:

$8x^2+8y^2-79x-32y+95=0$

Step-by-step explanation:

Let the equation be : $x^2+y^2+2gx+2fy+c=0$

The point (1,1) must satisfy this equation.

$1^2+1^2+2g*1+2f*1+c=0\\2g+2f+c=-2---(1)$

Similarly, the point (1,3) must satisfy:

$1^2+3^2+2g*1+2f*3+c=0\\1+9+2g+6f+c=0\\2g+6f+c=-10---(2)$

Also for the point (9,2), we have:

$9^2+2^2+2g*9+2f*2+c=0\\81+4+18g+4f+c=0\\18g+4f+c=-85---(3)$

Solving the equations (1), (2) and (3) simultaneously, we get:

$g=-\frac{-79}{16},f=-2,c=\frac{95}{8}$

We Substitute this values to get:

$x^2+y^2+2(\frac{-79}{16})x+2(-2)y+\frac{95}{8}=0$

$x^2+y^2-(\frac{79}{8})x-4y+\frac{95}{8}=0$

Multiply through by 8 to get:

$8x^2+8y^2-79x-32y+95=0$

8 0

3 years ago