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3 years ago

A 16 ft tall adult giraffe standing next to a

Mathematics

1 answer:

Helga [31]3 years ago

6 0

Answer:

The shadow is 3 ft tall

Step-by-step explanation:

The older giraffe is 16 ft tall and 8 is half of 16 and 8ft is the length of the shadow so that means that half of the small girafe would be 3ft because half of 6 is 3.

Sorry if its not correct

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There are 5 green, 1 red, and 1 blue book on the shelf. How many ways can they be arranged if the red and blue book are separate

zloy xaker [14]

Answer:

3,600

Step-by-step explanation:

There are 5 green, 1 red, and 1 blue book on the shelf, 7 books in total.

First, count the number of ways when the red and the blue books are not separated. If these books are not separated, you can count them as one book, so there are 6 books in total which can be arranged in

$6!=1\cdot 2\cdot 3\cdot 4\cdot 5\cdot 6=720$

different ways.

But red and blue books can be rearranged in two ways: blue, red or red, blue, so the number of ways books can be arranged if the red and blue book are not separated is

$2\cdot 720=1,440.$

Hence, the number of ways books can be arranged if the red and blue book are separated is

$7!-1,440=720\cdot 7-1,440=720(7-2)=720\cdot 5=3,600$

3 0

3 years ago

Pls add me on ins if you gonna help me with my homework

Darina [25.2K]

Answer:

The image does not show up

Step-by-step explanation:

4 0

3 years ago

HELP PLEASE! Im struggling

kondaur [170]

Answer:

c. $\dfrac{2}{3}$

Step-by-step explanation:

Let the common ratio be r.

$a_2 = \dfrac{2}{5}$

$a_3 = \dfrac{2}{5}r$

$a_4 = \dfrac{2}{5}r^2$

$a_5 = \dfrac{2}{5}r^3$

We are told that $a_5 = \dfrac{16}{135}$ .

$\dfrac{2}{5}r^3 = \dfrac{16}{135}$

$\dfrac{5}{2} \times \dfrac{2}{5}r^3 = \dfrac{5}{2} \times \dfrac{16}{135}$

$r^3 = \dfrac{8}{27}$

$r = \sqrt[3]{\dfrac{8}{27}}$

$r = \dfrac{2}{3}$

Answer: c. $\dfrac{2}{3}$

6 0

3 years ago

(y + 5)(y – 9) = 0<br> need help asap!!

OLEGan [10]

Set each equation equal to zero.

y + 5 = 0

Subtract 5 from both sides.
y = 0 - 5
y = - 5

y - 9 = 0

Add 9 to both sides
y = 0 + 9
y = 9

y = - 5, 9

4 0

3 years ago

Molly and Ryan both need to answer this question on their test in math class. 34×45=? They both got 12/20 as their answer but do

Neporo4naja [7]

It would be 3/5 because if you simplify it you would bet 3/5

4 0

3 years ago