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3 years ago

Whats 9+10? please ............

Mathematics

2 answers:

otez555 [7]3 years ago

8 0

9 plus 10 is 19 hun hope this helped :)

Brilliant_brown [7]3 years ago

4 0

19 its not hard at all

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The figure shows the lengths of each of the four sides of a quadrilateral. What is the perimeter of the figure?

zysi [14]

Answer:

Step-by-step explanation:

3x-4+2x+10+3x-7+4x

12x - 1 (C)

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3 years ago

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S is in between T and U. ST = x + 4 and SU = 2x. TU = 16. Find the value of x.

solniwko [45]

You know the total length ST and SU, so to find x you would write an equation. This would be: x+4+2x=16 Combine like terms: 3x+4=16 Subtract four from both sides: 3x=12 Divide both sides by three: x=4

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3 years ago

What's 1+1 .........

Luba_88 [7]

Answer:

1+1= 2.

Step-by-step explanation:

Have a good day!

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Create an exponential to describe $100 at 2% interest, compounded annually, for x years. y=100(.98)^x y=100(.8)^x y=100(1.2)^x y

zysi [14]

The exponential to describe $100 at 2% interest, compounded annually, for x years is $y=100(1.02)^{x}$

<h3>Solution:</h3>

Given that $ 100 at 2 % interest , compounded annually for "x" years

The formula for compound interest, including principal sum, is:

$A=P\left(1+\frac{r}{n}\right)^{n t}$

A = the future value of the investment/loan, including interest

P = the principal investment amount (the initial deposit or loan amount)

r = the annual interest rate (decimal)

n = the number of times that interest is compounded per unit t

t = the time the money is invested or borrowed for

Here in this sum,

P = $ 100

$r = 2 \% = \frac{2}{100} = 0.02$

number of years = x

Here given that compounded annually , so n = 1

Let "y" be the amount after "x" years

Substituting the values in formula we get,

$\begin{aligned}&y=100\left(1+\frac{0.02}{1}\right)^{1 \times x}\\\\&y=100(1+0.02)^{x}\\\\&y=100(1.02)^{x}\end{aligned}$

Thus the exponential to describe is $y=100(1.02)^{x}$

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4 years ago

The sum of the digits of a two-digit number is 13. The units digit is one more than twice the tens digit. Find the number.

tatyana61 [14]

Answer:49

Step-by-step explanation: 9+4=13 4x2=8 8+1=9

9 is the units digit

4 is the tens digit

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3 years ago

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