3 years ago

BRAINLYEST FOR BEST ANSWER BEST ANSER TAKES HOME A BRAINLYEST AND A LIKE AND A GOOD REVIEW

Mathematics

2 answers:

Brums [2.3K]3 years ago

8 0

Answer:

Step-by-step explanation:

it answer is C

bagirrra123 [75]3 years ago

5 0

Answer:

240

Step-by-step explanation:

i looked up the image and it pulled up ninja so

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a group of friends are riding bicycles. She takes 4 hours to ride 25.6 kilometers whats there speed?

Dvinal [7]

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6.4 Kilometers Per Hour

Step-by-step explanation:

To find how many kilometers per hour divide the kilometers traveled by the amount of hours they have rode.

25.6/4=6.4

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3 years ago

What is 206 percent converted into fraction

Varvara68 [4.7K]

$p\%=\dfrac{p}{100}\\\\206\%=\dfrac{206}{100}=\dfrac{206:2}{100:2}=\dfrac{103}{50}=\dfrac{100+3}{50}=\dfrac{100}{50}+\dfrac{3}{50}=2\dfrac{3}{10}\\\\Answer:\boxed{206\%=\frac{103}{50}=2\frac{3}{50}}$

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4 years ago

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Write the standard form of the equation of the horizontal and vertical lines that pass through the point (-7,5)

777dan777 [17]

Answer:

A horizontal line has a gradient = 0 and only has a y-intercept.

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m =0, and c =5 So, y = 5

Step-by-step explanation:

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3 years ago

.Instructions:Select the correct answer. The half-life of helium-5 is 7.6 × 10-22 seconds, and the half-life of helium-9 is 7 ×

Angelina_Jolie [31]

<span>The half-life of helium-5 is 7.6 × 10^{-22} seconds, and the half-life of helium-9 is 7 × 10^{-21} seconds.
</span>
Approximately $\dfrac{7 \cdot 10^{-21}}{7.6\cdot 10^{-22}} = \dfrac{7}{7.6\cdot 10^{-1}} = \dfrac{7}{0.76} =9$ the half-life of helium-9 is greater <span>than that of helium-5.</span>
Answer: 9 times.

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