2 years ago

Which number satisfies the inequality? 3/11 < x <sqrt 0.25A. 30%B. 7/9

Mathematics

1 answer:

olya-2409 [2.1K]2 years ago

4 0

Wait what do you mean

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B. 80 = 30 =<br> Your answer

Blababa [14]

80-30=50 your answer would be 50

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2 years ago

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dimulka [17.4K]

8x = 4.5+ 3x
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x= 0.9

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3 years ago

Find the GCF of the numbers 45 and 76 using lists<br> of factors.

Marina86 [1]

Answer:

The factors of 45 are: 1, 3, 5, 9, 15, 45

The factors of 76 are: 1, 2, 4, 19, 38, 76

Then the greatest common factor is 1.

Step-by-step explanation:

There are no common factors other than 1

5 0

2 years ago

In the formula A(t) = A0ekt, A(t) is the amount of radioactive material remaining from an initial amount A0 at a given time t an

Alenkasestr [34]

Answer: 693 years

Step-by-step explanation:

Expression for rate law for first order kinetics is given by:

$A(t) =A_0e^{kt}$

k = rate constant

t = time taken for decomposition = 1

$A_0$ = Initial amount of the reactant

$A_t$ = amount of the reactant left = $A_0-\frac{0.1}{100}\times A_0=0.999A_0$

$0.999A_0=A_0e^{k\times 1}$

$0.999=e^k$

$k=-0.001year^{-1}$

for half life : $t=t_\frac{1}{2}$

$A_t=\frac{1}{2}A_o$

Putting in the values , we get

$\frac{1}{2}A_0=A_0e^{-0.001\times t_\frac{1}{2}$

$t_\frac{1}{2}=693 years$

Thus half life of this isotope, to the nearest year is 693.

8 0

3 years ago

What is 1,200/2,000 in a fraction

andreev551 [17]

1200/200 in a simplified form is
3/5

7 0

3 years ago

Which number satisfies the inequality? 3/11 < x <sqrt 0.25A. 30%B. 7/9​

Which number satisfies the inequality? 3/11 < x <sqrt 0.25A. 30%B. 7/9