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iogann1982 [59]
4 years ago
11

One number is 14 less than the other if there sum is increased by seven the result is 85. find the numbers

Mathematics
1 answer:
Maru [420]4 years ago
4 0

Answer:

32 and 46.

Step-by-step explanation:

y = x - 14

x + y  + 7 = 85

x + y = 78

From the first equation:

-x + y = -14    Adding the last 2 equations:

2y = 64

y = 32

and  from the first equation (y = x - 14) :

32 = x - 14

x = 32 + 14 = 46.

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3 years ago
Hi! Lets see if anyone can do this!
zmey [24]

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a: Let's try to solve

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the disciminant of this quadratic function is

\Delta = b^2-4ac=25-144=-119

So, this quadratic function has no roots, which implies that it cannot be factorised (using real numbers, at least. Are you allowing complex numbers? Let me know in that case)

b: Similarly, we set up

50g^2 - 15g - 2=0

This time we can find the two solutions

g_1 = -\dfrac{1}{10},\quad g_2=\dfrac{2}{5}

which yields the factorization

50g^2 - 15g - 2=50\left(g+\dfrac{1}{10}\right)\left(g-\dfrac{2}{5}\right)

7 0
3 years ago
2. -6a+3=-3(2a-1)
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5 0
4 years ago
Statistics
user100 [1]

Answer:

Step-by-step explanation:

The lower bound is 10.5 and the upper bound is 15.9

Hope it helps!

8 0
2 years ago
Members of a soccer team raised $1946.50 to go to a tournament. They rented a bus for $974.50 and budgeted $60.75 per player for
liubo4ka [24]

Answer:

16 players can be brought to the tournament. The equation is written within my step-by-step explanation.

Step-by-step explanation:

Variable p = number of players

Set up an equation:

974.50 + 60.75p = 1946.50

Isolate variable p:

60.75p = 972

Divide:

p = 16

Check your work:

974.50 + 60.75(16) = 1946.50

974.50 + 972 = 1946.50

1946.50 = 1946.50

Correct!

3 0
3 years ago
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