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RUDIKE [14]
3 years ago
12

Best anwser gets brain thank you show work​

Mathematics
1 answer:
olga55 [171]3 years ago
8 0

Answer: 1.567 × 10⁹

Step-by-step explanation:

1.6 × 10⁹ = 1.6 × 1000000000 = 1,600,000,000

3.3 × 10⁷ = 3.3 × 10000000 = 33,000,000

1,600,000,000 - 33,000,000 = 1,567,000,000

10⁹ = 1,000,000,000

1.567 ×  1,000,000,000 = 1,567,000,000

Hope this helps!

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Determine the exact solution to the following in radians.
Sloan [31]
3sinx+1=sinx
2sinx+1=0
2sinx=-1
sinx=-1/2
x=sin^-1 (1/2) = 30 = \pi/6 (when finding the inverse, always take the positive value, ignore the negative sign)
x is therefore negative in 3rd and 4th quadrant
Therefore values of x are:
180+30=210 = 7\pi/6
360-3=330 = 11\pi/6
3 0
2 years ago
The value V of a Porsche 718 Cayman that is t years old can be modeled by V(t) = 420,000(0.965)t (a) What would be worth the car
nordsb [41]

Answer:

<u>A. V (2) = $ 391,114.50</u>

<u>B. t = 7.2 years (rounding to the next tenth) or approximately 7 years, 2 months and 12 days  </u>

Step-by-step explanation:

Given formula:

V(t) = 420,000 * (0.965)^t

A. What would be worth the car′s worth in 2 years?

V(t) = 420,000 * (0.965)^t

We replace t by 2, as follows:

V(2) = 420,000 * (0.965)²

V(2) = 420,000 * 0.931225

<u>V (2) = $ 391,114.50</u>

B. In how many years will the car be worth $325,000?

V(t) = 420,000 * (0.965)^t

We replace V(t) by 325,000, as follows:

325,000 = 420,000 * (0.965)^t

325,000/420,000 = (0.965)^t

0.77381 =  (0.965)^t

t = log 0.965(0.7738)  

t = log 0.7738/log 0.965  

<u>t = 7.2 years (rounding to the next tenth) or approximately 7 years, 2 months and 12 days  </u>

0.2 years = 0.2 * 12 = 2.4 months

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7 0
2 years ago
At lunchtime, a cafeteria served a total of 3/8 of a pot of chicken soup and 7/8 of a pot of
Effectus [21]
Answer:

1 1/4

reason:

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7 0
3 years ago
Read 2 more answers
APQR is inscribed in a circle with P=60, Q = 80, and R = 40. What are the measures of PQ, QR, and PR?
Sergeeva-Olga [200]

Answer:

PQ:80

QR:160

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Step-by-step explanation:

PQ=2x∠R

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QR=2×m∠p

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PR=2×m∠Q

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<em>hope it helps </em>

<em>have a great day!!</em>

5 0
2 years ago
Factorize 2a^2+7a-15​
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\huge\bf  \pink {\underline{Solution :-}}

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\sf \red{Hence, Answer \:  is  \: (a + 5)(2a - 3).}

\\

\bf \purple{ \underline{ Important  \: Formulas  \: for  \: Factorization :-}}

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• \: (a + b)(a - b) =  {a}^{2}  -  {b}^{2}

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•  \:  {(a + b)}^{2}  +  {(a - b)}^{2}  = 2( {a}^{2}  +  {b}^{2} )

• \: {(a + b)}^{2}   -   {(a - b)}^{2}  = 4ab

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• \: (a  -  b)( {a}^{2}    + ab   +  {b}^{2}  ) =  {a}^{3}   -  {b}^{3}

• \:   {( \frac{a + b}{2} )}^{2}  - ( {\frac{a - b}{2} } )^{2}  = ab

5 0
3 years ago
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