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Artyom0805 [142]
2 years ago
5

Helloooo can someone help meeeeeeeee

Mathematics
1 answer:
Liono4ka [1.6K]2 years ago
8 0

Answer:

Option B, (48x^{8}y^{5})

Step-by-step explanation:

<u>Step 1:  Simplify the exponent</u>

(12x^{2}y^{3})(2x^{3}y)^{2}

(12x^{2}y^{3})(2^{2}x^{3*2}y^{1*2})

(12x^{2}y^{3})(4x^{6}y^{2})

<u>Step 2:  Simply the expression</u>

(12x^{2}y^{3}*4x^{6}y^{2})

(48x^{2+6}y^{3+2})

(48x^{8}y^{5})

Answer: Option B, (48x^{8}y^{5})

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The polygons in each pair are similar. Find the missing side length.
Taya2010 [7]

Answer:

12

Step-by-step explanation:

If you flip the polygon on the right so it looks like the polygon on the left, the scale factor for the small polygon to the big polygon is 32/40 or 4/5.

Now use that scale factor, 4/5, to find the missing length

4/5 = ?/15

5*3 = 15 so 4*3 = ?

? = 12

3 0
2 years ago
The diagram shows the curve with equation y = ( 1 + x ) cosx.
r-ruslan [8.4K]

Answer:

y = 1, 1.319, 1.024, 0

Step-by-step explanation:

Given equation:

y=(1+x)\cos x

\textsf{when}\:x=0:

\begin{aligned} \implies y & =(1+0)\cos 0\\\implies y & = 1\end{aligned}

\textsf{when}\:x=\dfrac{\pi}{6}:

\begin{aligned} \implies y & =\left(1+\frac{\pi}{6}\right)\cos \left(\frac{\pi}{6}\right)\\\implies y & = 1.319\: \sf (3\:dp)\end{aligned}

\textsf{when}\:x=\dfrac{\pi}{3}:

\begin{aligned} \implies y & =\left(1+\frac{\pi}{3}\right)\cos \left(\frac{\pi}{3}\right)\\\implies y & = 1.024\: \sf (3\:dp)\end{aligned}

\textsf{when}\:x=\dfrac{\pi}{2}:

\begin{aligned} \implies y & =\left(1+\frac{\pi}{2}\right)\cos \left(\frac{\pi}{2}\right)\\\implies y & = 0\end{aligned}

8 0
1 year ago
What is the following product? (5√2-4√3)(5√2-4√3)
Galina-37 [17]

Step-by-step explanation:

(5√2-4√3)(5√2-4√3)=

(5√2-4√3)^2=(5√2)^2+(4√3)^2-2(5√2)(4√3)

=25*2+16*3-10√2*4√3

=50+48-10√2*4√3

=98-10√2*4√3 is the answer

6 0
2 years ago
If 20 divided by 5 = 4 <br> Then 20 divided by 5.5=4.?
ahrayia [7]

Answer:

no

Step-by-step explanation:

20 divided by 5.5 is a decimal 3.63

3 0
3 years ago
Which situation can be represented by the expression -2-5−2−5minus, 2, minus, 5?
nadya68 [22]
The answer might be c
8 0
2 years ago
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