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Jobisdone [24]
3 years ago
10

Plz answer for 20 pts

Mathematics
2 answers:
Marina86 [1]3 years ago
6 0

Answer:

6) \: \: \sqrt{3} + 4 \sqrt{3} \: = \: 5\sqrt{3}

7) \: \: 3\sqrt{5}+ 6\sqrt{45} = 3\sqrt{5}+6\sqrt{9} \! \cdot \! \sqrt{5}

= 3\sqrt{5} + 6\! \cdot \! 3 \! \cdot \!  \sqrt{5}=3 \sqrt{5} + 18 \sqrt{5} = 21\sqrt{5}

KATRIN_1 [288]3 years ago
5 0

Answer to Problem 1: 5√3

Answer to Problem 2: 21√5

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How many solutions does the system of linear equations have?
sattari [20]
There is no solutions to these linear equations. in order to find how many solutions there are, you first need to solve for the first variable in one of the equations, then substitute the result into the other equation. since both equations are almost the same and the same format, it won't have any solutions.

hope this helped, God bless!
3 0
3 years ago
El taller de baile tiene tres veces la cantidad de inscritos que el taller de arte el taller de arte tiene 98 escritos menos que
Eduardwww [97]

Answer:

The number of registrants in art workshop is 49.

Step-by-step explanation:

The dance workshop has three times the number of registrants than the art workshop the art workshop has 98 less writings than the dance workshop how many registrations the art workshop has

Let the registrants in the art workshop is p.

The registrants in the dance work shop is 3 p.

According to question,

p = 3p - 98

2 p = 98

p = 49

So, the number of registrants in art workshop is 49.  

8 0
2 years ago
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bagirrra123 [75]
Answer choice B is the correct answer the rest don't make sense.
5 0
3 years ago
A picture frame (see figure) has a total perimeter of 3 feet. The width of the frame is 0.64 times its length. Find the dimensio
Naya [18.7K]

Answer:

\approx 0.59\text{ ft by }0.91\text{ ft}

Step-by-step explanation:

Let \ell represent the length of the rectangle. The width can be represented as 0.64\ell.

The perimeter of a rectangle with lengths l and w is given by p=2l+2w.

Thus, we have:

2\ell+2(0.64\ell)=3,\\2\ell +1.28\ell=3,\\3.28\ell=3,\\\ell=0.91463414634\approx 0.91

The width is then 0.64(0.91463414634)=0.58536585365\approx 0.59.

8 0
3 years ago
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yan [13]

Answer:

f = (9c/5) + 32

Step-by-step explanation:

im pretty sure maybe

8 0
3 years ago
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