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miss Akunina [59]
2 years ago
5

If 340 = 7 + 20x + 3. find the value of x​

Mathematics
2 answers:
choli [55]2 years ago
8 0

Answer:

340-3-7 = 20x

330 = 20x

x = 16.5

matrenka [14]2 years ago
4 0

Answer:

x = 16.5

Step-by-step explanation:

340 = 7 + 20x + 3 , that is

340 = 10 + 20x ( subtract 10 from both sides )

330 = 20x ( divide both sides by 20 )

16.5 = x

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3x+y=8________(1) and x²+xy=6________(2) solve this​
romanna [79]

Answer:

In first equation if we put the value of x and y (x=2,y=2)than,

3x+y=8

3×x+y=8

3×2+2=8

6+2=8

8=8

in second equation the value of x=2,y=1

x2+xy=6

x2+x×y=6

4+2×1=6

4+2=6

6=6

6 0
3 years ago
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puteri [66]

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5 0
3 years ago
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snow_tiger [21]
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6 0
3 years ago
What is an equation for the linear function whose graph contains the points (−1, −2) and (3, 10)
sladkih [1.3K]
The equation of a line starting from two points is:
y-y_1=\frac{y_2-y_1}{x_2-x_1} \cdot (x-x_1)

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Replace x1, y1, x2, y2 in the equation of the line and you get:
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4 0
3 years ago
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Celeste started a new job with $500 in her account. after 50 hours of work, she deposits her pay check and she has $1500.
vovikov84 [41]

Answer:

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To check:

20 x 50 = 1000

7 0
3 years ago
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