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1 year ago

Square root 16/49 rational or irrational ??????

1 answer:

5 0

$\sqrt{\cfrac{16}{49}}\implies \cfrac{\sqrt{16}}{\sqrt{49}}\implies \cfrac{\sqrt{4^2}}{\sqrt{7^2}}\implies \cfrac{4}{7}$

hmmm 4/7 looks like a "ration" or fraction that is, so, if it moves like a ration and dances like a ration and runs like a ration, it ain't no duck, it must be a rational then.

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HELP ME OUT PLS!!!!!

miskamm [114]

Answer:

x = 26

Step-by-step explanation:

Supplementary angles mean that when the two angles are added together, they add up to 180. With this info, we can set the two expressions equal to 180

124 + (2x + 4) = 180.

128 + 2x = 180 combine like terms

2x = 52 subtract both sides by 128

x = 26. divide both sides by 2

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2 years ago

Jeremy bought a new pair of jeans. The jeans regulary cost $30, but they are on sale for 10 percent off. There is a 6 percent sa

diamong [38]

Step-by-step explanation:

mp=$30

%D=10%=%D=D/M.p×100

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2 years ago

PLEASE HELP ITS FOR A TEST!!

Mashutka [201]

Answer:

22.5

Step-by-step explanation:

multiply 5 x 7 and add half of 5.

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6 0

2 years ago

Read 2 more answers

Solve the seperable equation:<br> dx/dt=3xt^2

andrew-mc [135]

$\displaystyle
\dfrac{dx}{dt}=3xt^2\\
\dfrac{dx}{x}=3t^2 \, dt\\
\int \dfrac{dx}{x}=\int 3t^2 \, dt\\
\ln x=3\dfrac{t^3}{3}+C\\
\ln x=t^3+C\\
x=e^{t^3+C}\\
x=e^{t^3}\cdot e^C\\
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2 years ago

2. Terry selected two cards. The sum of her cards is -10.

Mkey [24]

Answer:

A. no

B. Yes

C. No

Step-by-step explanation: If two positive numbers are multiplied together or divided, the answer is positive. If two negative numbers are multiplied together or divided, the answer is positive. If a positive and a negative number are multiplied or divided, the answer is negative. (hope this helps :))

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3 years ago