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cupoosta [38]
3 years ago
8

Tell whether (-2,3)is a solution of 2y+x=4?

Mathematics
2 answers:
poizon [28]3 years ago
5 0

Answer:

Yes, it is a solution

Step-by-step explanation:

That is because if you put x=-2 and y=3 in the equation you will get 2*3+(-2)=4 therefore 6-2=4 which equals to 4=4

IRINA_888 [86]3 years ago
3 0

Answer:

Yes

Step-by-step explanation:

2y + x = 2 * 3 + (-2) =  6-2 = 4 which is equal to the R.H.S (right hand side)

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riadik2000 [5.3K]
Diagonal, I hope I helped (:
3 0
3 years ago
Which of the following speeds will produce lowest miles per gallon?
Ghella [55]

Answer:

a

Step-by-step explanation:

8 0
4 years ago
The sum of twice a number and 15 is grater the 3
NNADVOKAT [17]

Answer:

x>-6

Step-by-step explanation:

The expression you need to solve for this is: 2x+15>3

For now pretend that the > is a = and solve as you normally would for x.

Subtract 15 from both sides

2x=-12

Divide by 2

x=-6

Put the > back in

x>-6

4 0
3 years ago
The dot product of u with itself is 24. what is the magnitude of u?
Leni [432]

Answer - u = 4.8989

u ^ 2 = 24

u = sqrt (24)

u = 4.8989

3 0
3 years ago
Read 2 more answers
Which of the algebraic expressions are not linear expressions? Select all that apply. a. 3x - 2 b. -9y c. -7x^2^ + 4x d. -1/2x^2
Sedaia [141]

Answer:

c, d and e

Step-by-step explanation:

A linear expression is an expression in which sum of exponents of variables is at most 1 in each of its terms.

Option a: 3x - 2

Here, the exponent of the variable is 1.

So, it is a linear expression.

Option b: -9y

Here, the exponent of the variable is 1.

So, it is a linear expression.

Option c: -7x^2 + 4x

Here, the highest exponent of the variable is 2.

So, it is NOT a linear expression.

Option d: -\frac{1}{2} x^2

Here, the exponent of the variable is 2.

So, it is NOT a linear expression.

Option e: 8xy

Here, sum of exponents of variables is 2.

So, it is NOT a linear expression.

Hence, c, d and e are NOT algebraic expressions.

6 0
3 years ago
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