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Softa [21]
3 years ago
11

Choose the expression that mathematically represents the difference between ‘3 times a number’ and the quantity ‘5 times another

number less 7’
a. 3x − (7 − 5x)
b. 3x − (5y − 7)
c. 3x − (5x − 7)
d. 3x − (7 − 5y)
Mathematics
1 answer:
Trava [24]3 years ago
4 0

Answer:

b. 3x - (5y -7)

Step-by-step explanation:

Let x represent "a number". Let y represent "another number."

The "3 times a number" is represented by 3x.

And "5 times another number less 7" is represented by 5y -7.

The difference between these quantities is the second subtracted from the first:

... 3x - (5y -7) . . . . matches selection b.

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3x ^ 3 - x ^ 2 Determine if the expression is polynomial or not . If it is a polynomial , state the type and degree of the polyn
kaheart [24]

Answer:

The given expression is a cubic polynomial with degree 3.

Step-by-step explanation:

We are given the following in the question:

3x^3-x^2

Polynomial:

  • A polynomial is an expression.
  • It  consisting of variables and coefficients.
  • The variables and coefficients involves only the operations of addition, subtraction, multiplication, and non-negative integer exponents of variables.

Since, the given expression satisfies all the properties, it is a polynomial.

Degree of polynomial:

  • It is the maximum degree of the polynomial.

The degree of given polynomial is 3.

Nature of polynomial:

It is a cubic polynomial.

8 0
3 years ago
Just number 14. Nothing other unless u want to
Shkiper50 [21]

Answer: 4 parfaits.

Step-by-step explanation: 1/2 divided by 1/8. when you divide you flip the second fraction and multiply it so now it's 1/2 x 8/1 which is 8/2 and then is turned into 4 so 4 parfaits

Hope this helps im really good at fractions if you need anything else lol :')

6 0
3 years ago
How many 1/3 cups are rings are there in 12 4/6 cups of juice​
Bingel [31]

Answer:

how many 1/3 cups are rings are there in 12 4/6 cups of juice​?

12 of 4/6 cup of juice= 12 x 4/6= 8

1/3 cups of rings is there in 8 cups of juice, then we have

1/3 x 8= 8/3

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Solve for w. 5w + 9z = 2z + 3w w = w equals negative StartFraction 7 Over 2 EndFraction z.Z w = w equals negative StartFraction
TEA [102]

Answer:

w = -7z/2

Step-by-step explanation:

We need to solve for w in terms of z.

The equation given is:

5w + 9z = 2z + 3w

Collect like terms:

5w - 3w = 2z - 9z

2w = -7z

w = -7z/2

5 0
3 years ago
Read 2 more answers
Feb 05, 3:07:40 PM
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Solve (2x - 1)(3x^2 - 9x - 4)
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