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zalisa [80]
3 years ago
5

How do you do these problems?

Mathematics
1 answer:
son4ous [18]3 years ago
8 0
3.) 3 faces. 4 edges. 3 V
4.) 5 faces. 5 edges. 3 V
5.) 2 faces. 1 edge. 1 V
6.) 3 faces. 0 edges. 1 V
7.) 1 face. 0 edges. 2 V's
I'm iffy on the V's.
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All parallelograms are rectangles true or false
shtirl [24]

Answer:

yes

Step-by-step explanation:

Parallelograms are quadrilaterals and so are rectangles

If you were to make the corners 90 degrees, you would have a rectangle, do basically they are the same.

Hope this helps!

3 0
4 years ago
Read 2 more answers
Your new dresser will be 2/5ths larger than your old dresser. Your old dresser can hold 6.25 cubic feet, how much cubic feet wil
marissa [1.9K]

Answer:

8.75 cubic feet

Step-by-step explanation:

Your new dresser will be \frac{2}{5}^{ths} larger than your old dresser.

This means that your new dresser wil be

1+\dfrac{2}{5}=\dfrac{5+2}{5}=\dfrac{7}{5}

of your old dresser.

Your old dresser can hold 6.25 cubic feet, so your new dresser can hold

\dfrac{7}{5}\cdot 6.25=7\cdot 1.25=8.75\ ft^3

4 0
3 years ago
Sue has 10 pictures but only has space in her apartment to hang 4 of them on a wall. The number of different arrangements of fou
aalyn [17]

Step-by-step explanation:

Number of areangements = 10C4

= 10 * 9 * 8 * 7 / (1 * 2 * 3 * 4) = 210.

6 0
3 years ago
What is 2.1x10 to the 3rd power in standard form?
Serjik [45]

Answer:

2.1 x 10^3

Step-by-step explanation: To write a linear expression in standard form, rearrange the terms in alphabetical order. It is already in its standard form.

6 0
3 years ago
If s(x) = x – 7 and t(x) = 4x2 – x + 3, which expression is equivalent to (t*s)(x)
lesya [120]
S(x) = x - 7; t(x) = 4x² - x + 3

(t · s)(x) = (4x² - x + 3)(x - 7) = (4x²)(x) + (4x²)(-7) - (x)(x) - (x)(-7) + (3)(x) + (3)(-7)

= 4x³ - 28x² - x² + 7x + 3x - 21 = 4x³ - 29x² + 10x - 21
8 0
3 years ago
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