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3 years ago

7. What two transformations? Someone please help

Mathematics

1 answer:

Marianna [84]3 years ago

8 0

Answer:

Rotation and Dilation

Step-by-step explanation:

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70. Suppose that you currently have one credit card with a balance of $10,000 at an annual rate of 24.00% interest. You have sto

Simora [160]

Answer:

$1+r+r^{2}+r^{3}+.....+r^{n-1} = \frac{1-r^{n}}{1-r}$

Step-by-step explanation:

Taking the succession:

$1+r+r^{2}+r^{3}+.....+r^{n-1}$

You can multiply and divide by 1-r without chaging the result:

$\frac{1-r}{1-r} (1+r+r^{2}+r^{3}+.....+r^{n-1})$

Distributing the upper part of the fraction you have:

$\frac{1}{1-r} (1-r+r-r^{2}+r^{2}-r^{3}+r^{3}-r^{4}+.....+r^{n-1}-r^{n})$

As can be seen all the intermediate members will be canceled by a same member with opposite sign, only $(1-r^{n})$ will be left so:

$1+r+r^{2}+r^{3}+.....+r^{n-1} = \frac{1-r^{n}}{1-r}$

5 0

2 years ago

Find the equation of the line that is perpendicular to the line x = −5 and passes through the point (1, 3.14).

kodGreya [7K]

Answer:

Step-by-step explanation:

Perpendicular to x = -5 is going to be a horizontal line.

Since it passes through (1,3.14),

Equation is y = 3.14

4 0

3 years ago

If Mr.Johnson had 90 students turn in 9 missing assignments each, how many assignments does Mr. Johnson have to grade?

bezimeni [28]

Answer:

4050 minutes

Step-by-step explanation:

9 x 5 = 45

45 x 90 = 4050

5 0

2 years ago

There are 20 pens in a package. Ten of the pens are black, 8 are blue, and the rest are red.

icang [17]

If there are ten black pens, eight blue pens, and twenty pens in total, then there are 2 red pens. This means that the ratio of red to black is 2:10=1:5. Hope this helps!

3 0

3 years ago

Read 2 more answers

Ms. Patterson burns 236 calories riding her bike every hour. She wants to burn more than 590 calories riding her bike at the sam

Alekssandra [29.7K]

Ms. Patterson will take t>2.5 hours to burn 590 calories riding her bike at the same rate which is 236 calories every hour.

<h3 /><h3>What amount of time Ms. Patterson will take to burn more then 590 ?</h3>

Given that -

she burns 236 calories in 1 hour get = $\dfrac{1}{236}$ hours

so time taken to burn 590 calories at same rate = $590 \times\dfrac{1}{236}$ hours

so time taken to burn 590 calories at same rate = 2.5 hours

hence Ms. Patterson will take t>2.5 hours to burn 590 calories riding her bike at the same rate which is 236 calories every hour.

To know more about follow

brainly.com/question/14733838

3 0

2 years ago