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pogonyaev
3 years ago
9

What is the unknown number for t

Mathematics
1 answer:
soldi70 [24.7K]3 years ago
3 0
This could be wrong but the answer should be 4
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Arrange the variables so that they are on the same sides: -5w - 9 = 3w + 7
Molodets [167]

Answer:

-8w=16

Step-by-step explanation:

-5w-9<em>+9</em> = 3w+7<em>+9</em>

-5w=3w+16

-5w<em>-3w</em>=3w<em>-3w</em>+16

-8w=16

To solve:

-8w/-8=16/-8

w = -2

8 0
3 years ago
Kinda confused with this, how am i supposed to answer for X if in (-4 + 41) there’s no X???
Aleonysh [2.5K]

Answer:

x=13 and y=20.

Step-by-step explanation:

76 is what u use to try to find both variables. So...u set it up as 6x-2=76. You add 2 to both sides. The 2 cancels out. 6x=78. Divide by 6. x=13. On the other hand, set the other equation as (-4+4y)=76. open the parenthesis...-4+4y=76. add 4 to both sides. 4y=80. Divide by 4 on both sides....y=20. Reason why u couldnt see x is because the x looks faded with the numbers.

6 0
4 years ago
Tanvi opened a savings account and deposited $400.00 as principal. the account earns 13%
Sergeu [11.5K]

The amount of the money after 7 years with a rate of 13% with an initial amount of $400 will be $ 941.04.

<h3>What is compound interest?</h3>

Compound interest is the interest on a loan or deposit calculated based on the initial principal and the accumulated interest from the previous period.

Tanvi opened a savings account and deposited $400.00 as principal.

The account earns 13% interest, compounded annually.

Then the balance after 7 years will be

We know the compound interest formula.

A = P (1 + r)ⁿ

We have

P = $ 400

r = 13%

n = 7 years

Then we have

A = 400 x (1 + 0.13)⁷

A = 400 x 1.13⁷

A = 400 x 2.3526

A = $ 941.04

More about the compound interest link is given below.

brainly.com/question/25857212

#SPJ1

8 0
2 years ago
Show work for all 3 please help
Anni [7]

Answer:

hope it is helpful to you

7 0
3 years ago
TEN POINTS!!!!!1 Find the y-intercepts for the parabola defined by this equation y=-6x^2 -7x-2
saveliy_v [14]

Answer:

y intercept: -2

x intercepts: -0.6667 and -0.5

Step-by-step explanation:

Check out this graph:                                                  Hope that this helped you!

6 0
4 years ago
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