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3 years ago

8

Answer please i am literally crying because i will get in trouble if i dont do it

2 answers:

Oksi-84 [34.3K]3 years ago

4 0

20% off the original makes it 80%. Then, 25% off of 80% makes it 60%. The final price reduction is 40%

alekssr [168]3 years ago

3 0

Convert percentages to units.
100% - 20% = 80% = 0.8
100% - 25% = 75% = 0.75

Then multiply those together:
0.8*0.75=0.6=60%

100% - 60% = 40%. That's the overall price percentage reduction.

P.S. You can convert percentages to units by diving % by 100 for example 100% divided by 100 is equal to 1.
And vice versa aka multiply units by 100 and you get %, for example 0.8 times 100 is 80%

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How do you solve -h/3 - 4 = 13

Phantasy [73]

Answer is -h = -51 (download photomath)

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3 years ago

If a circle has a Diameter of 4m and a Radius of 4 units. Then what is Circumference and Area of the circle?

Fiesta28 [93]

Answer & Step-by-step explanation:

$Circumference=d\pi \\Area=r^2\pi$

The diameter of the circle is 8 m and the radius of the circle is 4 units. So, now we have to plug in the numbers so we can find the circumference and the area of the circle.

$Circumference=(8)\pi$

$Circumference=25.12$

So, the circumference of the circle is 25.12 m.

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3 years ago

What are the leading coefficient and degree of the polynomial?<br> 3u+12u'-7u* +1

xxTIMURxx [149]

Answer:

See explanation

Step-by-step explanation:

Assuming the given polynomial is

$3u + 12 {u}^{2} - 7 {u}^{3} + 1$

We then rewrite in decreasing powers of u, to get:

$- 7 {u}^{3} + 12 {u}^{2} + 3u + 1$

The leading term is

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The leading coefficient is the coefficient of the leading term.

The leading coefficient is -7.

6 0

3 years ago

Can some please help with this I will give brainliest.

3241004551 [841]

Answer:

$x^{-28}*7^{-56}$

Step-by-step explanation:

Firstly, you need to know that raising a fraction to a power raises both the top and the bottom to that power.

Second, a negative power on the top and bottom flips the fraction

Last, raising a power to a power multiplies the powers

So, $\frac{7^{-8^{7}}}{x^{4^7}}$ = $\frac{7^{-56}}{x^{28}}$ = $\frac{1}{x^{28}*7^{56}}$ = $x^{-28}*7^{-56}$

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2 years ago

Describe the difference between the calculation of population standard deviation and that of sample standard deviation.

taurus [48]

Answer:

View graph

Step-by-step explanation:

The population refers to the whole set under study, while the sample is a representative part of that population.

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3 years ago