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saw5 [17]
3 years ago
6

2y - 2(5y) + 3× - 4 (78) = 11

Mathematics
2 answers:
Lera25 [3.4K]3 years ago
6 0

y= -947/8

Just isolate the variables, even though this is a long, painstaking, agonizing process

:)

Delvig [45]3 years ago
3 0

Answer:

y= -9/4 7/8

Step-by-step explanation:

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HELP ME PLEASEEEE! Thank you
Sergio039 [100]

Answer:

A. Yes

B. Yes

C. No

Step-by-step explanation:

We can substitute each value in to the equation and see if the sides match up. Let's start with a.

4\cdot(2)-3 = -2\cdot(2)+9\\8-3 = -4+9\\5 = 5

So, n = 2 works for equation a. Let's try B.

9\cdot(\frac{10}{3}) - 19 = 3\cdot(\frac{10}{3}) + 1\\\\\\\frac{90}{3} -19 = \frac{30}{3} + 1 \\  30 - 19 = 10 + 1\\11 = 11

So, m = \frac{10}{3} works for B. Now let's try C.

3(30+8) = 2\cdot(30)-6\\3(38) = 60-6\\114 \neq 54

So y = 30 doesn't work for C.

Hope this helped!

6 0
4 years ago
Simplify 1/3 over 9
IgorC [24]

Answer: To just make my answer simple, your answer will be : 28/3, the exact form.

Hope this really helps you, have a nice daayy!! :)

4 0
3 years ago
If you divide a square into two congruent triangles what type of triangles are they
vaieri [72.5K]
They are right isosceles triangles.
5 0
4 years ago
Read 2 more answers
What is 16.83231 rounded to the nearest hundredths place?
posledela
In the number 16.83231, the bolded number is in the hundredths place.

Look to the number to the right of it (the thousands place value).

it is a 2, which is less than 5. Because of this, round down.


16.83 is your answer

hope this helps
4 0
4 years ago
If the interest rate on a savings account is 0.02%, approximately how much money do you need to keep in this account for 1 year
AveGali [126]
In this question, the interest rate is 0.02% and you need to have $9.99 interest to cover the fee.  To find the bank account needed, you need to divide the target interest value with the interest rate. The calculation would be:

interest = bank account * interest rate
$9.99 = bank account * 0.02%
bank account = $9.99/ 0.02%   (don't forget the % mean 1/100)
bank account = $49,950
6 0
3 years ago
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