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2 years ago

15

Deon finished his math assignment in 2/5 hours. Then he completed his chemistry assignment in 1/2 hours. How much more time did

Deon spend on his chemistry assignment?

1 answer:

ipn [44]2 years ago

7 0

Answer:

Deon spent 1/10 of an hour more on chemistry than on math

Step-by-step explanation:

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PLS SOLVE BRAILEST GIVEN

Sav [38]

Answer:

|2x|

Step-by-step explanation:

The square root symbol indicates the positive square root. That is, ...

$\sqrt{x^2}=|x|$

Then the square root you show is ...

$\sqrt{(-2x)^2}=|{-}2x|=\boxed{|2x|}$

6 0

2 years ago

Solve 6^x+2 = 10 for x using the change of base formula

pashok25 [27]

Answer:

$x\approx-0.7149$

Step-by-step explanation:

$\displaystyle 6^{x+2}=10\\\\\log_6(6^{x+2})=\log_6(10)\\\\x+2=\frac{\log(10)}{\log(6)}\\\\x+2\approx1.2851\\\\x\approx-0.7149$

Recall that the change of base formula is $\displaystyle \log_a(b)=\frac{\log(b)}{\log(a)}$

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1 year ago

Overall, about how many students prefer literature (poems, plays, or novels)?

scoundrel [369]

About one hundreds out of two hundred brobaly like literature better

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3 years ago

Two fishing boats leave a marina at the same time. One boat travels north at a speed of 12 miles per hour. The other boat heads

Nikolay [14]

Answer:

5.25 miles

Step-by-step explanation:

15 min=1/4 of hour

12/4=3

9/4=2.25

3+2.25=5.25

5 0

3 years ago

Read 2 more answers

The volume of a sphere is 2 comma 143.57 m cubed. To the nearest meter, what is the radius of the sphere? Use 3.14 for pi.

miskamm [114]

$\bf \textit{volume of a sphere}\\\\ V=\cfrac{4\pi r^3}{3}~~ \begin{cases} r=radius\\ \cline{1-1} V=2,143.57 \end{cases}\implies 2143.57=\cfrac{4\pi r^3}{3}\implies 6430.71=4\pi r^3 \\\\\\ \cfrac{6430.71}{4\pi }=r^3\implies \sqrt[3]{\cfrac{6430.71}{4\pi }}=r\implies \stackrel{\pi =3.14}{7.9999956 \approx r}\implies \stackrel{\textit{rounded up}}{8=r}$

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3 years ago