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3 years ago

Choose the figure that is constructed with 9 unit cubes.

Mathematics

1 answer:

Anna [14]3 years ago

3 0

Answer:

the first one

Step-by-step explanation:

When we count all of the cubes in each figure, we see the first one is constructed with 9 cubes. Hope this helps!

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Yanka [14]

what is 1/4 + 2/3 ?

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3 years ago

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For the figures below, assume they are made of semicircles, quarter circles, and squares. For each shape, find the area and peri

krek1111 [17]

Answer:

Area:

$36\pi - 72 \: cm {}^{2}$

Step-by-step explanation:

$( \frac{1}{4} \times \pi \times 12 {}^{2} ) - ( \frac{1}{2} \times 12 \times 12) = 36\pi - 72$

Area of the blue area:

$36\pi - 72 \: cm {}^{2}$

Perimeter of blue area:unsure as no numbers are given for the slanted side if the triangle.

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4 years ago

What is 2.34 times 4.23 you get 25 points if you answer right

svetlana [45]

Answer:

9.8982

Step-by-step explanation:

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3 years ago

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<img src="https://tex.z-dn.net/?f=x%5Ea%3Dy%5Eb%3Dz%5Ec%20%5C%5Cxyz%3D1%5C%5Cab%2Bbc%2Bca%3D%3F" id="TexFormula1" title="x^a=y^b

SashulF [63]

Answer:

Step-by-step explanation:

We are given:

$x^a=y^b=z^c$

xyz=1

Separating equations:

$x^a=z^c$

$y^b=z^c$

Solving the first equation for x:

$\displaystyle x=z^\frac{c}{a}$

Solving the second equation for y:

$\displaystyle y=z^\frac{c}{b}$

Substituting in

xyz=1:

$\displaystyle z^\frac{c}{a}z^\frac{c}{b}z=1$

Adding the exponents:

$\displaystyle z^{\frac{c}{a}+\frac{c}{b}+1}=1$

Since $1=z^0$ :

$\displaystyle z^{\frac{c}{a}+\frac{c}{b}+1}=z^0$

The base is z on both sides so we get rid of them:

$\displaystyle \frac{c}{a}+\frac{c}{b}+1=0$

Multiplying by ab:

bc+ac+ab=0

Reordering:

ab+bc+ca=0

5 0

3 years ago

Why cant i see the answer key

Ugo [173]

Answer: where are you looking for it?

Step-by-step explanation:

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3 years ago