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3 years ago

I need help with this

Mathematics

1 answer:

Ostrovityanka [42]3 years ago

8 0

Answer:

Step-by-step explanation:

ABC triangle is 1/2 the size of DEF triangle. In order to transform ABC to DEF, the scale has to be doubled and the point on the y-axis has to move down to 10

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Caroline puts $400 into a savings account that earns 6% annually. Write a function that represents this situation, where t is th

DaniilM [7]

Answer: 19 years

Step-by-step explanation:

Given

Amount invested $\$400$

Rate of interest $R=6\%$

after 1-year amount becomes

$A=400\left (1+6\%\right)\\A=400\left (1+0.06\right)\\A=400\times 1.06\\A=\$424$

After n years it is

$A=400\left (1.06\right)^n$

Sum accumulated is $\$1200$

$\Rightarrow 1200=400\left(1.06\right)^n\\\Rightarrow 3=\left(1.06\right)^n\\\text{Taking log both sides}\\\Rightarrow n=\dfrac{\ln 3}{\ln 1.06}\\\\\Rightarrow n=18.85\approx 19\ \text{years}$

5 0

3 years ago

How to type a line above the number 6 on chromebook.

hjlf

Answer:

you put in the number 6 but you leave room uptop so enter and then put 6 for the----- so in other words

-----

8 0

3 years ago

Why do you need to change the signs in -x^2+6x+m=0 ?

Goshia [24]

Answer:

It isn't necessary but having a positive coefficient for $x^2$ makes things like completing the square and factoring easier.

3 0

3 years ago

Mark this question "True" if the argument is VALID, and "False" if the argument is INVALID: If this number is larger than 6, the

sleet_krkn [62]

This argument is no valid although the first part of the statement is valid. If a number is larger than 6 than its square must be larger than 36. But if the number is smaller than 6, its square does not need to be smaller than 36. For example...

(-100)²=10000

-100 is smaller than 6 but its square is bigger.

answer: False

7 0

3 years ago

Gradient from 2 - 1/2y = 0

kirill115 [55]

Given :

2 - 1/2y = 0

To find :-

The gradient form .

Solution :-

The gradient form/ slope intercept form

y = mx + c ,

On converting ,

2 - 1/2y = 0
1/2y = 2
y = 2*2
y = 4
y = 0x + 4

4 0

2 years ago

I need help with this​

I need help with this