3 years ago

WILL GIVE BRAINLIEST

Mathematics

2 answers:

san4es73 [151]3 years ago

8 0

Answer:

the answer for x is around 24.005

Fittoniya [83]3 years ago

5 0

Answer:

The second leg of the right triangle is about 9.4.

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A soccer team is having a car wash. The team spent $50 on supplies. They earned $300, including tips. The team's profit is the a

Amiraneli [1.4K]

Money earned =$300
Money spent on supllies=$50

Profit =Money left after supplies

$\\ \sf\longmapsto Profit=300-50$

$\\ \sf\longmapsto Profit=\$250$

7 0

3 years ago

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64 is 4 times the difference between Sarah's age, a, and 44. Assume Sarah is older than 44. (pls show an equation to determine S

Nimfa-mama [501]

Answer:

64=4(a-44)

Step-by-step explanation:

64=4(a-44)

64=4a-176

64+176=4a

240=4a

4a=240

a=240/4

a=60 years old

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2 years ago

The equation for the pH of a substance is pH = –log[H+], where H+ is the concentration of hydrogen ions. Which equation models t

Elden [556K]

$\bf \textit{Logarithm Cancellation Rules}
\\\\
log_a a^x = x\qquad \qquad \boxed{a^{log_a x}=x}\\\\
-------------------------------\\\\
pH=-log(H+)\qquad \stackrel{pH}{7.2}=-log(H+)\implies -7.2=log_{10}(H+)
\\\\\\
10^{-7.2}=10^{log_{10}(H+)}\implies 10^{-7.2}=H+\implies \cfrac{1}{10^{7.2}}=H+$