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masya89 [10]
3 years ago
6

X/2=40/16

1" title=" \frac{x}{2} = \frac{40}{16} " alt=" \frac{x}{2} = \frac{40}{16} " align="absmiddle" class="latex-formula">
Mathematics
1 answer:
Charra [1.4K]3 years ago
4 0
\frac{x}{2} = \frac{40}{16}

To find our solution (x), we multiply both sides by 2. Then we get the following:

\frac{x}{2} \times 2 = \frac{40}{16} \times 2
x = \frac{40}{16} \times \frac{2}{1}
x = \frac{80}{16} = 5

Therefore the answer is x = 5
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lbvjy [14]

Answer:

21

Step-by-step explanation:

4 0
3 years ago
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Can anyone help don’t understand
makvit [3.9K]

Answer:

Twenty decreased by a number. The question says that "a number" =X.

twenty = 20

decreased = minus

by a number = X

Put this all in a line and you get...

an answer of:

20 - X.

3 0
2 years ago
What is the potential energy of a 500-N pole-vaulter when she is 4 m above the ground?
Novosadov [1.4K]

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2000J

Step-by-step explanation:

mg=500

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7 0
3 years ago
Seven years ago, kodi found a box of old baseball cards in the garage. since then, he has added a consistent number of cards to
Katena32 [7]
(3,52)(7,108)
slope = (108 - 52) / (7 - 3) = 56/4 = 14

y = mx + b
slope(m) = 14
(3,52)...x = 3 and y = 52
sub and find b, the y int (the original amount of cards)
52 = 3(14) + b
52 = 42 + b
52 - 42 = b
10 = b

so ur equation is y = 14x + 10....with x being the number of years and y being the total cards. <== ur equation is y = 14x + 10

He started with 10 cards....and has been adding 14 cards every year.

so after 10 years...
y = 14(10) + 10
y = 140 + 10
y = 150 <== after 10 years, he will have 150 cards
8 0
3 years ago
What's the surface area ratio &amp; the volume ratio??<br><br> 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
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