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Mariana [72]
3 years ago
9

Can somebody help with this??

Mathematics
2 answers:
lesantik [10]3 years ago
6 0

Answer:

y = -0.25x2 - x + 4 (our answer)

Step-by-step explanation:

elixir [45]3 years ago
4 0

Answer:-8

Step-by-step explanation: you multiply the 2 answers in the parentheses

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A swimmer swam 48 kilometers in d days. What is the value of d if the swimmer swam an average of 3.2 kilometers daily?
Semmy [17]
ANSWER:

d = 15

The swimmer swam 48 kilometres in 15 days.

STEP-BY-STEP EXPLANATION:

Let d = total no. of days the swimmer swam

Total no. of kilometres swam = 48

Average no. of kilometres swam daily = 3.2

THEREFORE:

3.2d = 48

d = 48 / 3.2

d = 15
4 0
3 years ago
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WITCHER [35]

What is the question?????

4 0
3 years ago
Tell whether the ordered pair is a solution of the equation<br> y=5x; (15,-3)
n200080 [17]

Answer:

This ordered pair is NOT a solution of the equation.

Step-by-step explanation:

First, it is important to note that ordered pairs consist of (x, y) so in this case

x = 15 and y = -3.  And that any variable directly next to a number calls for multiplication.  So, plugging in the variables the equation would look like

"-3 = 5 x 15"  

To see if 5 x 15 = -3 we will multiply them.  5 x 15 actually equals 75 not -3.  So we know this ordered pair is NOT the solution for the problem.  

3 0
3 years ago
What is the value of the x variable in the solution to the following system of equations? 2x - 3y = 3
scZoUnD [109]

Answer:

(0,-1)

value x is 0

value y is -1

8 0
2 years ago
In ABC above, what is the value of a?
Nonamiya [84]

Answer:

C. 11.8

The answer is exactly <em>11.77</em>. But when rounded it is <em>11.8</em>.

4 0
3 years ago
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