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3 years ago

35,892 rounded to nearest 10

Mathematics

2 answers:

Goshia [24]3 years ago

8 0

Answer:

35,890

...........

Pepsi [2]3 years ago

6 0

Answer:

35,890

Step-by-step explanation:

The 9 is the tens digit.

Every digit to the right of 9 becomes 0.

Start with: 35,890

Now you check the first digit to the right of the tens digit. If it is from 5 to 9, the tens digit goes up 1. If it is from 0 to 4, the tens digit remains the same.

In this case, the digit to the right of the tens digit is 2. Since 2 is from 0 to 4, the 9 remains as is and does not go up by 1.

Answer: 35,890

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Systems of equations substitution y=5x-3 -x+7y=-21

Bess [88]

-x+7 (5x-3)=-21
-x+35x-21=-21
34x-21=-21
34x=0
The answer to find x or y is not possible

7 0

3 years ago

Picture attached, please help.

Andrej [43]

Answer:

-1

Step-by-step explanation:

∫x^2 -x +1 dx = x^3/3 -x^2/2 +x evaluated at 1 subtracting the value at 0

1/3 -1/2 +1 - (0/3 -0/2 +0)

5/6

Now lets find

∫x^2 -x +1 dx=x^3/3 -x^2/2 +x evaluated at 2 subtracting the value at 1

2^3/ 3 -2^2/2 +2 - (1/3 -1/2 +1 )

8/3 -2 +2 - (5/6)

8/3 -5/6

11/6

The total is 5/6 - 11/6 = -6/6 or -1

7 0

3 years ago

Suppose that a rectangle has an area of 54 square meters. Express the perimeter P as a function of the length x of one of the si

Lapatulllka [165]

Answer:

$P(x) = 2\left(x+\dfrac{54}{x}\right)$

Step-by-step explanation:

The area of the rectangle can be written as:

$A = x*h$

here, x is one side length, and h is the other side length. This area is said to be equal to 54 square meters.

$54 = x*h$

The perimeter of a rectangle can be written as:

$P = 2x+2h$

To express perimeter only in terms of x (in other words making it a function P(x)). we need to replace h. And this can be done by using the equation of area that we derived earlier.

$54 = x*h$

$h=\dfrac{54}{x}$

now we can substitute this 'h' into our equation of the perimeter.

$P = 2x+2\left(\dfrac{54}{x}\right)$

$P = 2\left(x+\dfrac{54}{x}\right)$

and voila! we have expressed P in terms of x only.

this can be written as P as a function of x as:

$P(x) = 2\left(x+\dfrac{54}{x}\right)$

6 0

4 years ago

AB=9 cm,AC=4 cm,BC=6 cm,and m What is the approximate area of this triangle? PLEASE HELP. THIS IS TIME SENSITIVE!!! WILL MAR

never [62]

Answer:

9.562

Step-by-step explanation:

Use the Heron’s Formula to find the area of a triangle when all three sides are known (SSS). In the formulas below, S represents the semi-perimeter of the triangle, and ABC are the three given sides.

You must first know the semi-perimeter (S) before you are able to calculate the area.

S= 1/2 (A+B+C)

Area = √S(S-A)(S-B)(S-C)

In your case:

semi perimeter

= 1/2 (9+4+6)

= 19/2

= 9.5

Area

= √9.5(9.5−9)(9.5−4)(9.5−6)

= √91.4375

= 9.562

3 0

3 years ago

Solve the following system of equations using matrices (row operations).

Stells [14]

Answer:

(6,3,0)

Step-by-step explanation:

Given,

x - y + 0z = 3

6x - 0y - 2z = 36

0x + 6y + 2z = 18

You have the following augmented matrix:

(1) 1 -1 0 3

(2) 6 0 -2 36

(3) 0 6 2 18

Let's (3) add to (2) and divide by 6

(1) 1 -1 0 3

(2) 1 1 0 9

(3) 0 6 2 18

Now, let's (2) add to (1) and divide by 2

(1) 1 0 0 6

(2) 1 1 0 9

(3) 0 6 2 18

Let's (3) ÷ 2

(1) 1 0 0 6

(2) 1 1 0 9

(3) 0 3 1 9

Let's (1) subtract from (2)

(1) 1 0 0 6

(2) 0 1 0 3

(3) 0 3 1 9

Finally, let's (2) multiply by 3 and subtract from (3)

(1) 1 0 0 6

(2) 0 1 0 3

(3) 0 0 1 0

Thus,

x = 6, y = 3 and z = 0

The answer is (6, 3, 0)

We have to verify the answer

6 - 3 = 3 ⇒⇒ 3 = 3

6*6 - 5*0 = 36 ⇒⇒ 36 = 36

6*3 + 2*0 = 18 ⇒⇒ 18 = 18

6 0

3 years ago