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levacccp [35]
3 years ago
13

A teacher wrote a decimal number on a chalkboard one of the digits in the number was a nine that had a value of 9 * fraction sig

n 100 what could be the decimal number that the teacher wrote on the chalkboard? 2.597 beanie 9.364 or c 4.961 or D 5.329
Mathematics
1 answer:
Colt1911 [192]3 years ago
5 0

Answer:

the answer is 5.41

Step-by-step explanation:

you add first then u bring the decimal down

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10 + 9 • (−3) 2− (−1 + 8)
Vitek1552 [10]

Answer:

-51

Step-by-step explanation:

PEMDAS suggests you start with parenthesis

10+9•(-3)2-(7)

10-(27)2-(7)

10-54-7

-51

3 0
3 years ago
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3. (6 Points). Solve the initial value problem y'-y.cosx=0, y(pi/2)=2e
Stells [14]

Answer:

y=2e^{sin(x)}

Step-by-step explanation:

Given equation can be  re written as

\frac{\mathrm{d} y}{\mathrm{d} x}-ycos(x)=0\\\frac{\mathrm{d} y}{\mathrm{d} x}=ycos(x)\\\\=> \frac{dy}{y}=cox(x)dx\\\\Integrating  \\ \int \frac{dy}{y}=\int cos(x)dx \\\\ln(y)=sin(x)+c............(i)

Now it is given that y(π/2) = 2e

Applying value in (i) we get

ln(2e) = sin(π/2) + c

=> ln(2) + ln(e) = 1+c

=> ln(2) + 1 = 1 + c

=> c = ln(2)

Thus equation (i) becomes

ln(y) = sin(x) + ln(2)

ln(y) - ln(2) = sin(x)

ln(y/2) = sin(x)

y= 2e^{sinx}

7 0
3 years ago
Easy but i'm confused yikes. (picture attached)
kirill115 [55]

Answer:

The second answer

Step-by-step explanation:

P'Q'R' is simply rotating PQR 90 degrees, it does not change the angle that it makes

8 0
3 years ago
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Given the equation below, solve for the variable t.<br><br> p+o−wt=4b
kotegsom [21]
P+o-wt=4b
-wt=4b-p-o
t=(4b-p-o)/-w

mark as brainliest if it’s helpful
8 0
3 years ago
What is the answer to 3-3x6+2
AlladinOne [14]
The answer must be -52 because I added parenthesis around -3 × 6 so it won't confuse people. I multiplied -3 and 6 and got -18. Then I multiplied -18 and 3 and got -54. I add -54 and 2 and got -52. Since there's more of negative than positive, I subtracted and got -52. Hope this helps :)
4 0
3 years ago
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