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natita [175]
2 years ago
13

I need some help on this answer please and thank you it’s urgent!

Mathematics
1 answer:
prisoha [69]2 years ago
4 0
B.

Because it’s an acute angle
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Can someone pls help me solved this problem plz! I really need help plz someone help me solved it! I need help ASAP!
kati45 [8]

Answer:

a) 0

b) 4.5

c) 3

d) 6

Step-by-step explanation:

Formula: 3x + 4y = 12

The questions contains the values of x. So here's an example of:

d) x = -4, y = ?

   Using the formula:   3(-4) + 4y = 12

                                     -12 + 4y = 12

                                      4y = 24

                                       y = 6

Do the same for the others!

3 0
3 years ago
If 3t-7=5t, then 6t=<br><br><br> Whyyyy? I need help with being explained why it's -21....
Alex17521 [72]

Just relax, breathe deeply from the diaphragm, allow the
cleansing air to fill your brain, and take it one step at a time.

You said that                         <u>3t - 7  =  5t

</u>OK.  Fine.
Let's just find out what  <em>6t</em>  is.

Subtract 3t from each side:         -7 = 2t

Multiply each side by  3 :          <em>-21 = 6t

</em>
Did I go too fast for you ?<em>

</em>
8 0
3 years ago
How long will it take for an investment to triple, if interest is compounded continuously at 8%?
maw [93]

Answer:

<em>It will take 14 years before the investment triples</em>

Step-by-step explanation:

<u>Continuous Compounding</u>

Is the mathematical limit that compound interest can reach if it was calculated and reinvested into an account's balance over a theoretically infinite number of periods.

The formula for continuous compounding is derived from the formula for the future value of a compound interest investment:

FV = PV\cdot e^{i.t}

Where:

FV = Future value of the investment

PV = Present value of the investment

i     = Interest rate

t     = Time

It's required to find the time for an investment to triple, that is, FV = 3 PV, knowing the interest rate is i=8%=0.08.

Substituting the known values:

3PV = PV\cdot e^{i.t}

Dividing by PV:

3 = e^{i.t}

Taking logarithms:

\ln 3=i.t

Solving for t:

\displaystyle t=\frac{\ln 3}{i}

\displaystyle t=\frac{\ln 3}{0.08}

t = 13.7 years

Rounding up:

It will take 14 years before the investment triples

6 0
3 years ago
What is 1/10 of 200
gladu [14]
1/10x200
= 1/10x200/1
= 200/10
=20

the answer is 20

if u dont understand, 1/10 means a part of 200 that is divided by 10 which means the number x10 =200. So if u dont understand, you can check answer this way: n*10=200

200/10=n
n= 20
8 0
4 years ago
PLEASE HELP ME WITH THIS!!!!!!
Lapatulllka [165]

Answer:

Parallelogram

Step-by-step explanation:

Hope this helps! Please leave any questions or concerns in the comments, byeee <3

6 0
3 years ago
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