3 years ago

How many square inches are 9 cubes with a 1 inch edge

Mathematics

1 answer:

ki77a [65]3 years ago

4 0

Add it up then you will get answer

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Please help me!!

alexgriva [62]

Answer:

$\frac{x^2}{16}+\frac{y^2}{25}=1$

Step-by-step explanation:

The equation of an ellipse with a center at $(h, k)$ and vertices at $(h\pm a, k)$ and $(h, k\pm b)$ is given by $\frac{(x-h)^2}{a^2}+\frac{(y-k)^2}{b^2}=1$ .

Since two vertices are located at (-4, 0) and (0, 5), the other vertices must be located at (4, 0) and (0, -5).

What we know:

Center of (0, 0)
From $(h\pm a, k)$ , $a$ must be 4
From $(h, k\pm b)$ , $b$ must be 5

Thus, we have:

$\frac{(x-0)^2}{4^2}+\frac{(y-0)^2}{5^2}=1\implies \boxed{\frac{x^2}{16}+\frac{y^2}{25}=1}$

6 0

3 years ago

Find the exact value of cos 135° sin15°.

IgorLugansk [536]

Answer:

its cos 50

Step-by-step explanation:

amen

7 0

3 years ago

DUE IN 2 MINUTES HELP

mrs_skeptik [129]

Answer: B is the answer

Step-by-step explanation:

3 0

3 years ago

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Yo does anyone know how to do this ?

xenn [34]

Formula for Trapezoid is A=1/2h(a+b)
I believe it’s 120

3 0

3 years ago

Which of the following is closest to 32.9 x 7.5?<br> A:232<br> B:259<br> C:220<br> D:265

aleksklad [387]

246.75 is the answer when you multiply those numbers together. Round so you can get 247

247-232= 15
259-247= 12
247-220 = 27
265-247 = 18
So 259 is the answer

The answer is B

6 0

3 years ago

Read 2 more answers