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AfilCa [17]
4 years ago
13

Which of the following is a like radical to 3 sqrt 7x?

Mathematics
2 answers:
san4es73 [151]4 years ago
6 0

Answer:

Options A and B

i.e., A. 4(3\sqrt{7x}) and B. \sqrt{7x}

Step-by-step explanation:

Like radicals are similar to like terms.

For example,

x, 2x, -10x, \frac{1}{2} x, 7.3x are like terms.

xy^{2} , -9xy^{2} , 13y^{2} x are some more examples of like terms.

Similarly, like radicals are:

\sqrt{2} , -5\sqrt{2} , 1.1\sqrt{2} etc.

Hence, from the given options, like radicals to 3\sqrt{7x} are:

A. 4(3\sqrt{7x} ) and B. \sqrt{7x}

Naddik [55]4 years ago
6 0

Answer:

a

Step-by-step explanation:

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Samantha wants to use her savings of 1150 to buy shirts and watches for her family. The total price of the shirt she bought was
ioda

<u>Answer-</u>

<em>The maximum number of watches that Samantha come by with her savings is </em><em>10</em><em>.</em>

<u>Solution-</u>

The amount of money Samantha has in her savings account = $1150

She wants to buy shirts and watches.

Cost of one shirt = $84

Cost of each watch = $99

Let she can buy maximum of x watches, so the net price of the watches is $99x.

Then,

\Rightarrow 99x+84=1150\\\\\Rightarrow 99x=1150-84\\\\\Rightarrow 99x=1066\\\\\Rightarrow x=\dfrac{1066}{99}\\\\\Rightarrow x=10.77

As the number of watches can not be in fraction, so at most she can buy 10 watches.

8 0
3 years ago
Q # 7 please help to solve
Neko [114]
The fourth choice - 5/104.

In one cube, there are 3 even numbers - 2,4,6. For two cubes, the total probability is 36.
   3*3 / 36 = 9/36

For letters, there are five vowels over 26 letters = 5 / 26

Multiply the two probabilities to get the probability of rolling two even numbers and selecting one of the vowels.
   9/36 * 5/26 = 5/104
   
6 0
3 years ago
H(4 1/2, -3 1/4) x (3 3/4, -1 3/4) what the midpoint of hx
shtirl [24]

Answer:

(3 7/8, 2 3/4)

Step-by-step explanation:

To find the midpoint, the formula is (x1-x2)/2 and (y1-y2)/2. So, in this case, our x1 is 4 1/2 and our x2 is -3 1/4. Subtract x2 from x1 and you will get 7 3/4. Then, divide by 2 to get 3 7/8. This is our x-coordinate.

Our y1 is 3 3/4 and our y2 is -1 3/4. Subtract y2 from y1 to get 5 1/2. Then divide by two to get 2 3/4. This is our y-coordinate.

Now we have our x and y coordinates.

(3 7/8, 2 3/4)

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3 years ago
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Nicks rate is 7 yards per second.
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3 years ago
Equation A: y = 2x + 4
Ymorist [56]
2x+4=3x+1 they've substituted y =2x+4 into the second eq.
6 0
3 years ago
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