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Novay_Z [31]
2 years ago
10

5x+8y=62.9 x=4-y please solve correctly using substitution

Mathematics
2 answers:
Anarel [89]2 years ago
5 0

Answer:

x = − 10.3, y = 14.3

Step-by-step explanation:

Vedmedyk [2.9K]2 years ago
4 0
X= -10.3
Y= 14.3

Point form: (-10.3, 14.3)
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Can someone help with problems fivethroughseven
frutty [35]

Answer:

5) 15120

6) 11880

7) 336

Step-by-step explanation:

The formula for permutation where mPn is m!/(m-n)!

Applying this to question 5, we get 9!/4!, which is 15120.

For question 6, we get 12!/8!, which is 11880.

For question 7, we get 8!/5!, which is 336.

5 0
2 years ago
If the function graphed is f(x), find f(1).
Crazy boy [7]
Locate 1 on the x axis. This is the horizontal number line. 

Draw a vertical line through 1 on the x axis. Extend this vertical line as far up and down as you can.

Notice how the vertical line crosses the blue curve. Mark this point. Then draw a horizontal line from this point to the y axis. The horizontal line will touch -4 on the y axis. So that means the point (1,-4) is on the curve.

If the input it is x = 1, then the output is y = -4

So that's why the answer is choice A
7 0
3 years ago
4.06 Question 6
polet [3.4K]

Answer:

If we are to make x small rugs, each of which takes 2 hours to dye, then the total time taken to dye the small rugs is 2x. Similarly for the y large rugs which each take 3 hours to dye, the total time for dyeing the large rugs is 3y. Therefore the total for all sizes of rugs is 2x + 3y. Finally, we have a maximum of 60 available hours for the dyeing, so the total time cannot exceed 60, and the final inequality is

2x + 3y < 60

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
HELP!! Subtract: (2x3 + 7x2 – 4) – (22x2 + 4x – 10)
alex41 [277]

Answer:2x3+5x2-4x+6

Step-by-step explanation:

2x3+5x2-4x+6 is your answer

4 0
2 years ago
Read 2 more answers
For the graph, which are possible functions of f and g? ​
GuDViN [60]

Answer:

f= 3ˣ

g= (1/3)ˣ

Step-by-step explanation:

5 0
2 years ago
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