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3241004551 [841]
3 years ago
15

What is the value of X?

Mathematics
2 answers:
musickatia [10]3 years ago
8 0
(1) x + 2y = 4 

<span>(2) 5x + y + 15 = 3x - 3y + 23</span>
zhenek [66]3 years ago
7 0
Tough sorry wish I could help u can’t too hard but I think it is equivalent to the other triangle so I think it’s 31? I THINK
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Is 4.25 greater than 4.228
Ratling [72]
4.25 is greater than 4.228, b/c 5 in the hundreds place is much more greater than a 2 that is in the hundreds place. No matter how long the number is, 4.25 will still be greater than 4.228
4 0
3 years ago
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Considere um triângulo retângulo, cujos ângulos agudos a e b satisfazem à condição cos a = 0,8 e cos b = 0,6 Determine a área de
Anni [7]

Answer:

7.5 cm^2

Step-by-step explanation:

Aqui, temos Cos A = 0,8 = 8/10 = 4/5.

Cos B = 0,6 = 6/10 = 3/5.

O que isto significa é que os dois outros lados do triângulo retângulo são 3 cm e 5 cm, respectivamente.

Isso ocorre porque, o oposto do ângulo agudo A é adjacente ao ângulo agudo B e vice-versa.

Portanto, a partir dos valores de ambos, podemos obter os dois outros lados.

Matematicamente, a área da direita é 1/2 * b * h b e h são 3 e 5, respectivamente.

Assim, área = 1/2 * 3 * 5 = 7,5 cm ^ 2

7 0
3 years ago
Item 3
soldi70 [24.7K]
1 Hour is longest then 1 minute then 1 second is shortest
4 0
3 years ago
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The count of bacteria in a culture is 10 and doubles every 20 minutes. Find the population size after 11 hours. Can someone expl
RSB [31]

Since you asked how to solve this, I will put the answer at the bottom.

You might not think the same way as I but I think in steps.

<h3>(1) Calculate how many times the bacteria divide in eleven hours</h3>

The bacteria divide every 20 minutes, and will therefore divide three times every hour, 60/20 = 3.

If the bacteria grow for eleven hours, each bacterium will divide 3 times per hour × 11 hours = 33 times.

<h3>(2) Add the orginial size of bacteria into the equation</h3>

(This part is edited)

(orginial size)*2^number of divisions

10*2^{33\\}

=85899345920

7 0
3 years ago
Can somebody please help me
Alexeev081 [22]

We were given the following details:

Car registration = $90

Car Insurance (annual) = $520

Home Insurance = $1020

Since we are to calculate for the monthly amount to budget for Car Insurance, we have:

\begin{gathered} CarInsurance(monthly)=\frac{CarInsurance\mleft(annual\mright)}{No\mathrm{}of\mathrm{}months} \\ CarInsurance(monthly)=\frac{520}{12}43.33\approx43.00 \\ CarInsurance(monthly)=\text{\$}43.00 \end{gathered}

herefore, the correct nanswer is A. ($43.00 per month)

4 0
1 year ago
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