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Masteriza [31]
3 years ago
9

X=1.5 and y = 3 the sum of x and y is ?

Mathematics
2 answers:
tatuchka [14]3 years ago
8 0

Answer:

sum of x and y

x + y

1.5 + 3

4.5

hope it helps u

LenKa [72]3 years ago
3 0
The correct answer to this question is 4.5
You might be interested in
a hospital bill is estimated to be $480. It ends up actually costing the patient $524.50. What is the percent of error in the bi
lozanna [386]

Answer:

8.48%

Step-by-step explanation:

Given that,

The estimated bill = $480

Actual costing of the bill = $524.50

We need to find the percent error in the bill. It can be calculated as follows :

\%=\dfrac{524.50-480}{524.50}\times 100\\\\\%=8.48\%

So, the percentage error in the bill is 8.48%.

6 0
3 years ago
I’m supposed to solve this by eliminating the x variable
liberstina [14]

Answer:

the answer is (-4, 5)

Step-by-step explanation:

Let's use elimination by addition / subtraction:

-6x - 2y =  14

6x + 7y = 11

-------------------

        5y   = 25, so y = 5.

Substituting 5 for y in the 2nd equation, we get:

6x + 7(5) = 11, or:

6x + 35 = 11, or

6x = -24, or x = -4.

Thus, the answer is (-4, 5).  Please double check to ensure you have copied down both system of equations and answer correctly.

Check:  Is (-4, 5) a solution to this system?

Subst. -4 for x and 5 for y in the first equation:

            -3(-4) - (5) = 7

               12 - 5 = 7  YES

3 0
3 years ago
?<br> For which value of x is the inequality 45 - 4x &lt; 14 true?
viktelen [127]

Answer:

7.75

Step-by-step explanation:

You group like terms from the inequality above ie by making the x value stands alone and you can only do this by sending 14 to the left side of the inequality and 4x to the right side. This becomes 45-14 < 4x and that gives you 31 < 4x. Then you divide both side by the number attached to the variable 'x' ie 4. So 31/4 < 4x/4 making x > 31/4 which is 7.75

8 0
3 years ago
WILL MARK BRAINLIEST!!!
I am Lyosha [343]
The first one should be correct.
6 0
3 years ago
5 points
sweet [91]

Answer:

D because 2/3 equals 2 1/3 mugs

4 0
3 years ago
Read 2 more answers
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