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3 years ago

Horizontal line that goes through the origin

Mathematics

1 answer:

creativ13 [48]3 years ago

3 0

Answer:

x axis? is that what your asking

Step-by-step explanation:

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Sarah invested 43,000 at rate of 2.5% compounded quarterly. How much did she have after 5 years

Ludmilka [50]

Just divided the 43,000 by 2.5% and then add the 5 years

6 0

3 years ago

How do I graph this equation?

mr Goodwill [35]

since your graph starts at 0

replace x with 0

y = 3(0) +3 = 3

so first point would be (0,3)

then just calculate other points the same way using different x values.

See attached picture of how it should look

5 0

3 years ago

3log5(x-10)-1/2log54=5log52<br><br> Solve each equation. #10

Inessa [10]

Answer:

$\large\boxed{x=14}$

Step-by-step explanation:

$3\log_5(x-10)-\dfrac{1}{2}\log_54=5\log_52\\\\\text{Domain:}\ x-10>0\to x>10\\\\\text{use}\\\\\log_ab^n=n\log_ab\\\\\log_ab-\log_ac=\log_a\left(\dfrac{b}{c}\right)\\========================\\\\\log_5(x-10)^3-\log_54^\frac{1}{2}=\log_52^5\qquad\text{use}\ a^\frac{1}{2}=\sqrt{a}\\\\\log_5(x-10)^3-\log_5\sqrt4=\log_532\\\\\log_5(x-10)^3-\log_52=\log_532\\\\\log_5\dfrac{(x-10)^3}{2}=\log_532\iff\dfrac{(x-10)^3}{2}=32\qquad\text{multiply both sides by 2}\\\\(x-10)^3=64\to x-10=\sqrt[3]{64}\\\\x-10=4\qquad\text{add 10 to both sides}\\\\x=14\in D$

4 0

4 years ago

If you were to solve the following system by substitution, what would be the best variable to solve for and from what equation?

VashaNatasha [74]

Answer: B. x, in the second equation

Step-by-step explanation:

The given system :

$2x+6y=9...................(1)\\\\3x-12y=15.........................(2)$

To apply the substitution method , first we need to select the best variable and a equation which is easy to simplify.

From the given system equation (2) have all the numbers which are multiples of 3.

Then we divide 3 on both sides of equation (2), we get

$x-4y=5\\\\\Rightarrow\ x=4y+5$

Therefore, the best variable to solve for and from what equation is x, in the second equation.

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3 years ago

Jasmine want to eat at 8pm .her meal takes 65min to cook.what rime does she need to put the meal inbthe oven.give in 24hours clo

Shkiper50 [21]

Eatin time is 8 pm....her meal takes 65 minutes to cook...well, 60 minutes is an hr...so that knocks it down to 7 pm....and then we take away the 5 minutes....so we put the food in the oven at 6:55 pm....oh...on a 24 hr clock...that's 18:55

7 0

4 years ago