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Gekata [30.6K]
3 years ago
9

(HELP IM GONNA GET BAD GRADES)

Mathematics
2 answers:
Firlakuza [10]3 years ago
7 0
9 is your answer to your question
Leokris [45]3 years ago
7 0
I think it's nine because bother numbers are divisable by nine 63 ÷9 is 7
and 81 ÷9 is 9 so try to arrange them into rows of rubarb tomato rubarb tomato until each has nine then make new row with same thing over untill you run out
it's worth ashot
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Ivan has $1098 worth of $12 and $14 stock shares. The number of $14 shares is seven more than
Dafna1 [17]

Answer:

Number of 12$ Shares? 25

Number of 14$ Shares? 57

Step-by-step explanation:

Let x = number of $12 shares.

Let y = number of $14 shares.

"Ivan has $1098 worth of $12 and $14 stock shares."
12x + 14y = 1098

The number of $14 shares is seven more than twice the number of $12 shares.

y = 2x + 7

We have a system of equations.

12x + 14y = 1098

y = 2x + 7

We can use the substitution method since the second equation is already solved for y. Substitute 2x + 7 for y in the first equation.

12x + 14(2x + 7) = 1098

12x + 28x + 98 = 1098

40x = 1000

x = 25

There are 25 $12 shares.

y = 2x + 7 = 2(25) + 7 = 57

There are 57 $14 shares.

Check:

25 × $12 + 57 × $1`4 = $300 + $798 = $1098

The total value is correct, so the answer is correct.

4 0
2 years ago
The radius of the aluminum (Al) atom is 143 pm. The radius of the aluminum ion (Al3+) is 54 pm. By what percentage did the radiu
Romashka [77]

Answer:

There was 62.23% change in radius as the ion formed.

Step-by-step explanation:

6 0
3 years ago
The graph of a linear function passes through the points (-
myrzilka [38]

Answer:

3/5

Step-by-step explanation:

y2 - y1 / x2 - x1

-1 - (-4) / 2 - (-3)

3/5

3/5 is the slope.

5 0
3 years ago
Select all possible values of b.
lutik1710 [3]

Answer:

B? I am confused.

Step-by-step explanation:

7 0
3 years ago
This is kind of off topic for math but I still need to know the answer, so I’ve finished all my math work and I know my work is
Mariulka [41]

Answer:

email or call or talk to your teacher and ask why

Step-by-step explanation:

6 0
3 years ago
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