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kvasek [131]
3 years ago
12

6 Which expression below has a coefficient of 3?

Mathematics
1 answer:
deff fn [24]3 years ago
6 0

Answer: C.

Step-by-step explanation:

C. is the only one with a 3 right next to the x. In 3x, 3 would be the coefficient)

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Which expression is equivalent to 60^1/2
ella [17]
Please write that as 60^(1/2) for greater clarity.  

Our job here is to find the largest perfect square factor of 60.  Note that 60 = 4*15; 4 is a perfect square, but 15 is not.  

Thus, 60^(1/2) = 2sqrt(15).

7 0
3 years ago
Given the system of equations, what is the solution? x 3y = 5 x - 3y = -1 {(-4, -3)} {(2, 1)} {(-2, 3)}
PSYCHO15rus [73]

The solution of the equation is (2, 1).

x=2 and y=1

<h3>What do you meant by equation?</h3>

A mathematical assertion that two expressions are equal is known as equating. It can be expressed as either an identity, in which case the variables can take on any value, or a conditional equation, in which case the variables can only have specific values (roots).

<h3>According to the given information:</h3>

We have two options for finding the answer. The first is to solve the equations via term elimination:

x + 3y = 5  ..............1

x - 3y = -1  ...............2

2x = 4 ..............3

With the equation, we can determine x. (3)

x = 4/2

x = 2

To determine y, we may now swap out x=2 in equation (1).

x + 3y = 5

2 + 3y = 5

3y = 3

y = 1

We've discovered x and y now.

x=2

y=1

The second method involves removing x from equation 1.

x + 3y = 5

x = 5 - 3y

In the equation right now, we may substitute x = 5 - 3y.........  (2)

x - 3y = -1

(5 - 3y) - 3y = -1

5 - 6y = -1

6y = -6

y = 1

Currently, we can change y=1 in equations (1), (2), or (4) to find x.

We'll apply the equation (1)

x + 3y = 5

x + 3(1) = 5

x + 3 = 5

x = 2

The two variants x = 2 and y = 1 have allowed us to confirm this.

To know more liner equation visit:

brainly.com/question/2995422

#SPJ4

7 0
2 years ago
a $7,000 principal is invested in two accounts, one earning 3% interest and another earning 7% interest. if the total interest f
Ksju [112]

Let the investment in first account be x and this account is earning 3% interest

So Interest on this account is 3% of x = 0.03x

So the investment in second account would be (7000-x) and this account is earning 7% interest

So the interest on this account is 7% of (7000-x) = 0.07*(7000-x)

Given that total interest for the year is $262

So we have

0.03x + 0.07(7000-x) = 262

0.03x - 0.07x + 0.07*7000 = 262

-0,04x + 490 = 262

-0.04x = 262-490

-0.04x = - 228

0.04x = 228x

x = 228/0.04

x = 5700

Therefore Investment in one account s 5700 and the investment in other account is 7000-5700 = 1300

3 0
3 years ago
Read 2 more answers
A shop sells bicycles and go-carts. Each bicycle has only one seat and each go-cart only has one seat. There are total of 21 sea
mars1129 [50]

Answer Step-by-step explanation:

the answer is number of bikes 15-number of go carts 6

8 0
3 years ago
Four people share 2/3 pounds of peanuts equally.What fraction of a pound of peanuts does each person receive
JulsSmile [24]

Answer: 1/6 of a pound.

Step-by-step explanation: Divide 2/3 pounds by 4 people. To do this, multiply  2/3 by 4's reciprocal, which is 1/4. The reciprocal of a number is basically the reverse form of that number. 4 as a fraction is 4/1. The reciprocal of that would be 1/4. Hopefully you understand.

2/3 times 1/4 is 2/12. Simplify by dividing 2/12 by 2 and 12's greatest common factor: 2. 2 divided by 2 is 1; 12 divided by 2 is 6. Your final answer is 1/6.

4 0
3 years ago
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