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3 years ago

12

I don’t know how to go about answering this, please help.

1 answer:

Stells [14]3 years ago

5 0

Answer:

the first square that equals 625 goes to the 125 box

the second square that equals 81 goes to the 243 box

the third square that equals 32 goes to the 8 box

and the fourth square that equals 64 goes to the 256 box

Hope this helped :)

Step-by-step explanation:

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The temperature of a cup of coffee t minutes after it has been poured is described by the function

Angelina_Jolie [31]

A) You want to find t such that
.. C(t) = d
.. d = 20 +60*0.95^t
.. (d -20)/60 = 0.95^t
.. log((d -20)/60) = t*log(0.95)
.. t = log((d -20)/60)/log(0.95) . . . . . . time to cool to d degrees (d > 20)

b) C'(t) = 60*0.95^t*ln(0.95)
.. C'(1) = 60*0.95*ln(0.95) ≈ -2.924 °C/min

5 0

3 years ago

Find the product of 30−−√ and 610−−√. Express it in standard form (i.E., ab√).

Zina [86]

we are given

$\sqrt{30} *\sqrt{610}$

we can radical formula

$\sqrt{a} *\sqrt{b}=\sqrt{a*b}$

we get

$\sqrt{30} *\sqrt{610}=\sqrt{30*610}$

$\sqrt{30} *\sqrt{610}=\sqrt{3*61*100}$

we can also write as

$\sqrt{30} *\sqrt{610}=\sqrt{100}*\sqrt{3*61}$

$\sqrt{30} *\sqrt{610}=10\sqrt{183}$ ............Answer

7 0

4 years ago

Read 2 more answers

A sphere has a radius of 5 inches. What is its volume?

jarptica [38.1K]

Given ↓

Radius of sphere = 5 in

<h3>To Find ↓</h3>

The volume of the sphere

<h3>Calculations ↓</h3>

$\blue{\boxed{\mathsf{V=\frac{4}{3} \pi r^3}}$

↑ formula for volume of a sphere

r = 5 in

Plug in the value of r and solve :

$\blue{\boxed{\mathsf{V=\frac{4}{3}\pi (5)^3}}}$

Simplify as follows :

$\blue{\boxed{\mathsf{V=\frac{4}{3}\pi *125} }}$

$\blue{\boxed{V=\frac{4}{3} *392.7}}$

Final Step :

$\blue{\boxed{\pmb{V=523.6\:in\:^3}}$

$\footnotesize\text{hope\:helpful}$

4 0

2 years ago

Martens got a small aquarium forgot her birthday. The aquarium is a right rectangular prism 18.5cm long by 15cm wide. Martens pu

sp2606 [1]

Answer:

Depth of Martens aquarium water = 14 cm.

Step-by-step explanation:

Given:

An aquarium,which is a right rectangular prism.

Length of the aquarium, $l$ = 18.5 cm

Width of the aquarium, $b$ = 15 cm

Volume of the aquarium, $V$ = 3885 cm cubes

We have to find the depth of the aquarium.

Let the depth be $h$ cm.

Note:

Volume of the rectangular prism,V=lbh.

⇒ $V$ = $l\times b\times h$

⇒ $h=\frac{V}{l\times b}$

⇒ Plugging the values.

⇒ $h=\frac{3885\ cm^3}{18.5\ cm\times 15\ cm}$

⇒ $h=14$ cm

So,

The depth of the aquarium water is 14 cm.

4 0

4 years ago

Please help quick explain

den301095 [7]

Answer:

Step-by-step explanation:

3/5, 12/20

7 0

3 years ago