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sleet_krkn [62]
2 years ago
14

Heeeeeeeeelppp ppppppppppppppppppppppppplllllassss

Mathematics
1 answer:
SVETLANKA909090 [29]2 years ago
8 0

Answer:

AC= 20

Step-by-step explanation:

since the two figures are similar, CB Is congruent to FD

since image/preimage, 12/3 =4

The dilation is 4.

AC is congruent to EF

EF=5

4 x 5 = 20

AC=20

someone correct me if im wrong :)

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Ebony but a four year treasury note that pay the equivalent of 3.8% simple interest. She invested $3000 more in a 9 year bond e
Anastasy [175]

Treasury bond's invested amount is "$7000" and Bond's invested amount is "$10000",

Let,

  • The amount invested in treasury note will be = x
  • The amount invested in bond will be = (x + 3000)

then,

→ \frac{x\times 4\times 3.8}{100} +\frac{(3000+x)\times 9\times 4.6}{100}=5204

→       \frac{15.2x}{100}+\frac{(3000+x)\times 41.4}{100} =5204

→         \frac{15.2x}{100} +\frac{124200+41.4x}{100} =5204

→            \frac{15.2 x+124200+41.4x}{100} = 5204

→               56.6x+124200=520400

→                               56.6x=520400-124200

→                               56.6x=396200

→                                      x = \frac{396200}{56.6}

→                                         = 7000

Amount invested in bond will be:

= x+3000

= 7000+3000

= 10000    

Thus the above is the correct answer.

Learn more:

brainly.com/question/14802140

8 0
2 years ago
How much of a 14% solution of iodine should be added to 89 ounces of a 47% iodine solution to get a 29% solution
Andrews [41]
We have 89 ounces of 47% iodine.
We will add "x" ounces of 14% iodine to get a 29% iodine solution.
89 * .47 + .14x = .29 * (89 + x)
41.83 + .14x = 25.81 + .29x
16.02 = .15x
x = 106.80
So, we must add 106.80 ounces of 14% iodine to get a 29% iodine solution.
(for a total of 195.80 ounces)

Source:
http://www.1728.org/mixture.htm


3 0
3 years ago
Find the difference. Express your answer in simplest form. 7r/s - 4r/s
Scrat [10]

7 \frac{r}{s}  \:  - 4 \frac{r}{s}  \\ taking \: common \: factor \: ( \frac{r}{s} ) \\  =  \frac{r}{s} (7 - 4) \\  =3  \frac{r}{s}

Hope it helps...

Regards;

Leukonov/Olegion.

7 0
3 years ago
In a volcano, erupting lava flows continuously through a tube system about 17 kilometers to the sea. Assume a lava flow speed of
Komok [63]

Answer:

Distance = rate x time or d = rt...that means time t = d/r...and we have

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Step-by-step explanation:

4 0
3 years ago
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iren [92.7K]
Hi, here it is !
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