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3 years ago

im just wondering if any of you guys have school bc todays election day and their a bunch of questions

Mathematics

2 answers:

schepotkina [342]3 years ago

6 0

Answer:

I have school yessir

Step-by-step explanation:

bagirrra123 [75]3 years ago

3 0

Answer:

i do have school today

Step-by-step explanation:

hope you have a good day though :)

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Which expressions are in their simplest form? Check all that apply.

Tom [10]

Answer:

The first one is the only one in simplest form.

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3 years ago

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What is 5 + 72? a 81 b 72 c 5 d 62

maxonik [38]

The answer is 77 but i don't see it as an option here ;/

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3 years ago

What's the surface area ratio & the volume ratio?? please help me ASAP!!

Ulleksa [173]

Answer:

Step-by-step explanation:

Volumes of two spheres A and B = 648 cm³ and 1029 cm³

Things to remember:

1). Scale factor of two objects = $\frac{r_1}{r_2}$ [ $r_1$ and $r_2$ are the radii of two circles]

2). Area scale factor = $\frac{(r_1)^2}{(r_2)^2}$

3). Volume scale factor = $\frac{(r_1)^3}{(r_2)^3}$

Volume scale factor Or Volume ratio = $\frac{V_A}{V_B}$

$\frac{(r_1)^3}{(r_2)^3}= \frac{648}{1029}$

$\frac{r_1}{r_2}=\sqrt[3]{\frac{648}{1029} }$

$\frac{r_1}{r_2}=\frac{6(\sqrt[3]{3})}{7(\sqrt[3]{3})}$

$\frac{r_1}{r_2}=\frac{6}{7}$

Therefore, scale factor = $\frac{r_1}{r_2}=\frac{6}{7}$

≈ 6 : 7

Area scale factor Or area ratio = $(\frac{r_1}{r_2})^2=(\frac{6}{7})^2$

= $\frac{36}{49}$

≈ 36 : 49

Volume scale factor or Volume ratio = $\frac{648}{1029}$

= $\frac{216}{343}$

≈ 216 : 343

4 0

3 years ago

What do I do here cause I'm confused :/

Igoryamba

Matt simply divided the 8 students in the class by the amount of vinegar the teacher has (15). this is incorrect because in order to determine how many ounces each student should get you would divide the amount of vinegar by the amount of students, thus ending up with 15/8.

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3 years ago

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1.60n<56
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