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Marina CMI [18]
3 years ago
13

The greatest value of 7x would be?

Mathematics
1 answer:
fomenos3 years ago
4 0

Answer: 70

Step-by-step explanation:

the correct answer is 70

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PLEASE HELP ILL GIVE BRANLIEST!!! ( and 50 points! )
Rama09 [41]

Answer:

As we know:

A nickle is worth 5 cents.

A dime is worth 10 cents.

A quarter is worth 25 cents.

Here is what Robert had:

Number of nickles (a)

Number of dimes (b)

Number of quarters (c)

Here is assumption:

5a + 10b + 25c = 850

a = 3b

c = b + 10

=> 5(3b) + 10b + 25(b + 10) = 850

=> 50b + 250 = 850

=> 50b = 600

=> b = 600/50 = 12

=> a = 3b = 3 x 12 = 36

=> c = b + 10 = 12 + 10 = 22

=> Number of nickles: 36

=> Number of dimes: 12

=> Number of quarters: 22

Hope this helps!

:)

8 0
3 years ago
How many solutions does the equation |x+7|=-1 have
lana66690 [7]
If an equation is in absolute value symbols, the answer is always positive. So this equation has no real solution.
7 0
3 years ago
Two cyclists start at the same point and travel in opposite directions. One cyclist travels 4 mile per hour slower than the othe
jeyben [28]

Answer:

12 mph and 16 mph

Step-by-step explanation:

distance = speed * time

56 = s * 2 + (s - 4) * 2

56 = 2s + 2s - 8

56 = 4s - 8

64 = 4s

16 = s

s = 16

s - 4 = 12

5 0
3 years ago
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What's the Answer? Provide steps please​
dalvyx [7]

Answer:

0.24930286...

Step-by-step explanation:

7 0
3 years ago
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Find an equation of each line given one point and the slope : (4, 8); slope 8
Fudgin [204]

Step-by-step explanation:

in such a case the easiest approach might be using the point-slope form of a line equation :

y - y1 = m(x - x1)

with m being the slope, and (x1, y1) being a point on the line.

so, in our case that would be

y - 8 = 8(x - 4)

simplified this would be

y - 8 = 8x - 32

y = 8x - 24

FYI - this would be then the slope-intercept form (-24 would be the intercept point on the y-axis).

3 0
2 years ago
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