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ivanzaharov [21]
3 years ago
7

Evaluate the expression 2(8 − 4)2 − 10 ÷ 2. A .11B. 27C. 56D. 59

Mathematics
2 answers:
timurjin [86]3 years ago
5 0
2(4)2 - 10 / 2 = 8(2) - 10 / 2 = 16 - 5 = 11 (FINAL ANSWER)
Radda [10]3 years ago
3 0

Hey there!

Answer:\boxed{11}

Explanation:

2(8-4)2-10/2

Simplify and solve.

\boxed{11}\text{ is your answer.}

Hope this helps!

\text{-TestedHyperr}

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Digiron [165]
28% =  28 / 100

As a rate per 100 is:    28 per 100.
5 0
3 years ago
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When records were first kept (t=0), the population of a rural town was 260 people. During the following years, the population gr
Firdavs [7]

Answer:

(a) The population after 15 years is 2678.

(b)Therefore the population P(t) at any time t>0 is

P(t)= 45t+30 {t^{\frac32}}+260

Step-by-step explanation:

Given that,

The population grew at a rate of

P'(t)=45(1+\sqrt t)

Integrating both sides

\int P'(t) dt=\int 45(1+\sqrt t)dt

\Rightarrow \int P'(t) dt=\int (45+45\sqrt t)dt

\Rightarrow \int P'(t) dt=\int 45\ dt+\int 45\sqrt t\ dt

\Rightarrow P(t)= 45t+45\  \frac{t^{\frac12+1}}{\frac12+1}+c              [ c is integration constant]

\Rightarrow P(t)= 45t+45\  \frac{t^{\frac32}}{\frac32}+c

\Rightarrow P(t)= 45t+45\times\frac 23 \times {t^{\frac32}}+c

\Rightarrow P(t)= 45t+30 {t^{\frac32}}+c

When t=0 , P(0)= 260

\therefore 260= 45\times0+30\times {0^{\frac32}}+c

\Rightarrow c=260

\therefore P(t)= 45t+30 {t^{\frac32}}+260

Therefore the population P(t) at any time t>0 is

P(t)= 45t+30 {t^{\frac32}}+260

To find the population after 15 years, we need to plug t=15 in the above expression.

P(15)=( 45\times 15)+30( {15^{\frac32}})+260

         ≈2678

The population after 15 years is 2678.

5 0
3 years ago
Find M&lt;1 <br> A.<br> 43<br> B.<br> 69<br> C.<br> 137<br> D.<br> 180
Marina86 [1]
Answer:
137°

Explanation:
In any triangle, the measure of the exterior angle is equal to the summation of the measures of the other two non-adjacent angles.

In the given triangle:
Angle 1 is an exterior angle.
The measures of the non-adjacent angles are 103° and 34°

Based on the above theorem:
measure angle 1 = 103 + 34 = 137°

Hope this helps :)
3 0
4 years ago
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One week has 7 days.How many weeks do 1,230 days make?What does the remainder mean?
Pavel [41]

Answer:

1,230 Days = 175.7142 Weeks = 175 Weeks and 5 Days

3 0
4 years ago
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Please help ive been trying and i just cant get it right
avanturin [10]
The correct answer is c. :)
5 0
3 years ago
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