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Ira Lisetskai [31]
3 years ago
10

The value of y varies directly with x. When y=2 4/7, x=3/7 .

Mathematics
2 answers:
nydimaria [60]3 years ago
7 0

Answer:

I think the answer is 2 3/7. because you are decreasing 1/7.

Step-by-step explanation:

jasenka [17]3 years ago
6 0

Answer:

1 5/7

Step-by-step explanation:

I literally just took the test so yeah

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Can someone answer this for me please
Citrus2011 [14]
The perimeter is the total measurement of all the sides together. 
P = 82
Perimeter is side + side + side and so on.
So here is what we have.
15.4 + 16.2 + 28.7 + d = 82
Add up what you have now
60.3 + d = 82
Subtract 60.3 from both sides to get D
d = 82 - 60.3
d = 21.7
5 0
3 years ago
How many 4 inch triangles can be produced from a 100 inch piece of steel?
Dmitry [639]

Answer:

25  triangles

Step-by-step explanation:

100/4

5 0
3 years ago
Read 2 more answers
Find the 9th partial sum of the geometric sequence an=43n–1.
siniylev [52]

Answer:

39364.

Step-by-step explanation:

I guess its an = 4*(3)^(n-1)

r = 3, a1 = 4 and n = 9

Sum of n terms = a1 * (r^n - 1) / (r - 1)

so S9 = 4 *(3^9 - 1) / (3 - 1)

= 4 * (19683  - 1) / 2

= 78728/2

= 39364.

7 0
2 years ago
I got 10 min to submit pls I need it asap
babymother [125]

Answer:

We just need the equations to equal the same, which is y.

5+1.10x=y

3+1.50x=y

5+1.10x= 3+1.50x

Let's get x by itself by subtract 3 from both sides.

2+1.10x= 1.50x

Now subtract 1.10x from both sides.

2= 0.4x

Now divide each side by 0.4

5=X

So, at 5 games they're the same cost. Let's find the cost.

5+1.1(5)= 5+5.5=10.50

3+1.5(5)=3+7.5= 10.50

So, at 5 games, they are $10.50.

Hope this helps! :)

5 0
3 years ago
Nathan opens a new savings account and makes an initial deposit of $400.
AfilCa [17]

Answer:

The answer to the first one is 6

Step-by-step explanation:

If the time frame given is 9 months, then we can find that 9 months is 3/4 of a year. 3/4 x 2% = 0.015.     0.015 x 400 = 6. He would have made 6 dollars in 9 months.

Answer the the second one:

4.5% x 5 (years) = 0.225.     0.225 x 10,000 = 2,250. Since this is a car loan and not a bank interest for example, we add it to the total cost. I'm pretty sure its the third one.

6 0
3 years ago
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