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3 years ago

83 is the sum of three consecutive intengers what are the intengers

Mathematics

1 answer:

Gnoma [55]3 years ago

7 0

83 is not divisible by 3, so cannot be the sum of three consecutive integers.

84 is the sum of 27, 28, 29.

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Create a system of equations

Vika [28.1K]

Answer:

Answer: Janet is 16, and David is 11.

Step-by-step explanation:

Let the ages be j and d.

j = d + 5

j + d = 27

Substitute d + 5 for j in the second equation.

d + 5 + d = 27

2d + 5 = 27

2d = 22

d = 11

Substitute 11 for d in the first equation.

j = d + 5

j = 11 + 5

j = 16

Answer: Janet is 16, and David is 11.

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2 years ago

Write an inequality for the following statement. A is greater than 7

yarga [219]

Answer: A>7

Step-by-step explanation:

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3 years ago

Read 2 more answers

I NEED HELP ON THIS ASAP

PSYCHO15rus [73]

Answer:

1 muffin equals $2.08 for the first package.
1 muffin equals $1.91 for the second package.
1 muffin equals $1.88 for the third package.

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3 years ago

Evaluate the integral. (Use C for the constant of integration.) <br> cos(x) (8 + 7 sin^2(x)) dx

UNO [17]

Answer: $8 \sin x +7(\dfrac{\sin^3x}{3})+C$

Step-by-step explanation:

Consider $\int \cos(x) (8+7 \sin^2(x)) \, dx$

Substitute t= sinx

then dt = cos x dx

$\int \cos(x) (8+7 \sin^2(x)) \, dx = \int (8+7t^2)dt\\\\ =8t+7(\dfrac{t^3}{3})+C$

$[\int x^ndx=\dfrac{x^{n+1}}{n+1}+C]$

$=8 \sin x +7(\dfrac{\sin^3x}{3})+C$

Hence, $\int \cos(x) (8+7 \sin^2(x)) \, dx=8 \sin x +7(\dfrac{\sin^3x}{3})+C$

5 0

3 years ago

ricardo ran the 400-meter race 3 times ,his fastest time was 54.3 seconds, his slowest time was 56.1 seconds, if his average tim

MatroZZZ [7]

Take the 2 times you are given and add them to x and divide the entire left side of the equation by 3:
54.3+56.1+x/3=55
54.3+56.1+x=165
x=54.6
The 3rd lap took him 54.6 seconds to run

8 0

3 years ago