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3 years ago

Help me please thank you

Mathematics

2 answers:

TEA [102]3 years ago

6 0

Answer:

about 41.14 pages per day

Step-by-step explanation:

She wants to read 576 pages in 14 days

Take the number of pages and divide by the number of days

576/14=41.14285714 pages per day

8_murik_8 [283]3 years ago

5 0

Answer:

your answer is D.

Step-by-step explanation:

576 divided by 14 is exactly 41.14 Hope this helps!!!

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Neptune is an average distance of 4.5 × 10^9 km from the Sun. Estimate the length of the Neptunian year using the fact that the

zlopas [31]

Answer:

164.32 earth year

Step-by-step explanation:

distance of Neptune, Rn = 4.5 x 10^9 km

distance of earth, Re = 1.5 x 10^8 km

time period of earth, Te = 1 year

let the time period of Neptune is Tn.

According to the Kepler's third law

T² ∝ R³

$\left ( \frac{T_{n}}{T_{e}} \right )^{2}=\left ( \frac{R_{n}}{R_{e}} \right )^{3}$

$\left ( \frac{T_{n}}{1} \right )^{2}=\left ( \frac{4.5\times10^{9}}}{1.5\times10^{8}}} \right )^{3}$

Tn = 164.32 earth years

Thus, the neptune year is equal to 164.32 earth year.

Step-by-step explanation:

3 0

3 years ago

What does arc BC equal?

Dmitrij [34]

Answer:

124

Step-by-step explanation:

take 146, add 90 then subtract that answer from 360

8 0

3 years ago

What is the sum? StartFraction 3 Over x squared minus 9 EndFraction StartFraction 5 Over x 3 EndFraction.

V125BC [204]

The sum of the two fractional number, which consist in the variable <em>x</em> is in the polynomial function,

$f(x)=\dfrac{5x-12}{(x+3)(x-3)}$

<h3>What is the sum of fraction number?</h3>

Fraction number is the number which is a part of a whole number. It is written with a numerator and denominator.

Fraction number are written as,

$\dfrac{a}{b}$

Here (a) is the numerator and (b) is the denominator.

To find the sum of two fraction numbers, cross multiply both the numbers or find the least common factor as denominator.

The first fraction number given in the problem is,

$\dfrac{3}{x^2+9}$

The second fraction number given in the problem is,

$\dfrac{5}{x+3}$

Let the sum of these number is f(x). Thus,

$f(x)=\dfrac{3}{x^2-9}+\dfrac{5}{x+3}\\f(x)=\dfrac{3}{(x+3)(x-3)}+\dfrac{5}{x+3}\\$

Solve it further as,

$f(x)=\dfrac{3+5(x-3)}{(x+3)(x-3)}\\f(x)=\dfrac{3+5x-15}{(x+3)(x-3)}\\f(x)=\dfrac{5x-12}{(x+3)(x-3)}$

Thus, the sum of the two fractional number is,

$f(x)=\dfrac{5x-12}{(x+3)(x-3)}$

Learn more about the fraction number here:

brainly.com/question/78672

6 0

2 years ago

Which graph shows y=2⌊x⌋+1 ?

fiasKO [112]

Um... It's none.
Did you took a picture of the wrong question.
The answer of that question is the top second one.

8 0

3 years ago

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Find the x value <br> x^2 - 3x + 2 = 0

ladessa [460]

Answer:

2 and 1

Step-by-step explanation:

x^2 - 3x + 2 = 0

(x-2)(x-1) = 0

the x can be 2 and 1

3 0

3 years ago

Read 2 more answers