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3 years ago

What percent is 373 out of 8007

Mathematics

1 answer:

I am Lyosha [343]3 years ago

8 0

The answer is 174% of 373=649.02

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A Ferris wheel holds up 48 people there are 823 people with tickets to ride the Ferris how many times will the Ferris wheel need

julia-pushkina [17]

Answer:

at least 18 times

Step-by-step explanation:

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2 years ago

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There is a number three times the number -6 is equal to 45 find the number

Oduvanchick [21]

Answer:

6+ 45 = 500 #!_ djdjbdkeknf

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2 years ago

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Find the 6th term of a geometric sequence t3 = 444 and t7 = 7104. So I have to find r. But is this right: 7104 = 444r^4 r^4 = 16

galben [10]

Third term = t3 = ar^2 = 444 eq. (1)

Seventh term = t7 = ar^6 = 7104 eq. (2)

By solving (1) and (2) we get,

ar^2 = 444

=> a = 444 / r^2 eq. (3)

And ar^6 = 7104

(444/r^2)r^6 = 7104

444 r^4 = 7104

r^4 = 7104/444

= 16

r2 = 4

r = 2

Substitute r value in (3)

a = 444 / r^2

= 444 / 2^2

= 444 / 4

= 111

Therefore a = 111 and r = 2

Therefore t6 = ar^5

= 111(2)^5

= 111(32)

= 3552.

Therefore the 6th term in the geometric series is 3552.

8 0

2 years ago

Joey and Armando live on the same st as the park. The park is 9/10 mile from Joey's home. Joey leaves home and walks to Armando'

AleksandrR [38]

Let's start by assuming Armando's house is between Joey's and the park.

Let $x$ be the distance Joey walked to Armando's house.

The park is 9/10 mile from Joey's home. Joey leaves home and walks to Armando's home. Then Joey and Armando walk 3/5 mile to the park.

 $\dfrac{9}{10} = x + \dfrac{3}{5}$

$x = \dfrac{9}{10} - \dfrac{3}{5} = \dfrac{9}{10} -\dfrac{6}{10} = \dfrac{3}{10}$

That's probably the answer they're looking for. But what if the park is between Joey and Armando's houses or Joey is between the park and Armando? (The latter isn't really possible with the given distances.)

Let $a, b, c$ be the distances between three collinear points like we have here. Our equation is really a few equations in one, something like

$\pm a \pm b = \pm c$

Let's get rid of the plus/minuses. Squaring,

$a^2 + b^2\pm 2ab = c^2$

$\pm 2ab = c^2-a^2-b^2$

$4a^2b^2 = (c^2-a^2-b^2)^2$

For us, that's a quadratic equation for $c^2$

$4(9/10)^2(3/5)^2= (c^2-(9/10)^2 - (3/5)^2)^2$

I'll skip right to the solutions,

$c^2=\dfrac{9}{100} \textrm{ or } c^2=\dfrac{9}{4}$

$c=\dfrac{3}{10} \textrm{ or } c=\dfrac{3}{2}$

We could have gotten the 3/2 just by adding 9/10+3/5 but this was more fun.

6 0

3 years ago

Between which 2 numbers on a number line will √20 be found?

ehidna [41]

Answer:

Since the square root of 20 is around 4.5, we know that ≈4.5 is almost at the half mark between 4 and 5 on the number line.

4 0

1 year ago