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Scorpion4ik [409]
4 years ago
12

Find two mixed numbers so that the sum is 7 2/8 and the difference is 2 4/8.

Mathematics
2 answers:
Anika [276]4 years ago
8 0
5/6 and 2/3 Hope i helped
adell [148]4 years ago
4 0
Well let's call the smaller of the numbers n
We know that n + (n + 2 4/8) = 7 2/8
In simpler form, 2n + 2 4/8 = 7 2/8
Subtract 2 4/8 from both sides to get
2n = 4 6/8
Divide both sides by 2 to isolate n, so
n = 2 3/8
To find the larger number, add 2 4/8 to the smaller number, getting 4 7/8

So the numbers are 2 3/8 and 4 7/8
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Jake had 17 toy cars. He gave Dan and Andy each the same number of toy cars. Now Jake has five toy cars. How many toy cars did h
andrew-mc [135]

Answer:

Each friend got 6 cars each

Step-by-step explanation:

17-5= 12 cars

He gave 12 cars away.

Since there are 2 friends, you divide the cars given away by 2, hence

12/2= 6

3 0
3 years ago
Give the solution set for the inequality<br> 7x &lt; 7(x - 2) in interval notation.
eduard

<u>ANSWER:</u>

The solution set for the inequality 7x < 7(x - 2) is null set \varnothing

<u>SOLUTION:</u>

Given, inequality expression is 7x < 7 × (x – 2)

We have to give the solution set for above inequality expression in the interval notation form.

Now, let us solve the inequality expression for x.

Then, 7x < 7 × (x – 2)

7x < 7 × x – 2 × 7

7x < 7x – 14

7x – (7x – 14) < 0

7x – 7x + 14 < 0

0 + 14 < 0

14 < 0  

Which is false, so there exists no solution for x which can satisfy the given equation.

So, the interval solution for given inequality will be null set

Hence, the solution set is \varnothing

3 0
4 years ago
Solve for x in the equation x 2 - 4 x - 9 = 29.
Marizza181 [45]

Answer:

x= -19

Step-by-step explanation:

2x-4x-9=29

-2x=29+9

x=38/-2

= -19

5 0
4 years ago
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Michelle drove a total of 57.8 kilometers on saturday. she drove 23.5 kilometers from her house to the park. her next stop was t
zloy xaker [14]
47.5 need this to extend my answer
5 0
3 years ago
Pls help,<br> i forgot what 6 - 4 is<br> pls help ;(
Viefleur [7K]

Answer:

2

Step-by-step explanation:

3 0
3 years ago
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