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3 years ago

PLEASE HELP!!!!!! I AM GIVING BRAINLIEST!!!!! 0.6x = 87 SOLVE IT

Mathematics

2 answers:

stira [4]3 years ago

6 0

Answer:

145 x

Step-by-step explanation:

Free_Kalibri [48]3 years ago

4 0

Hello!

0.6x=87

x=87/0.6

x=860/6

x=145

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The sum of the measures of the exterior angles of a regular 5-gon, one at each vertex, is __________ the sum of the measures of

SSSSS [86.1K]

The exterior angles of a regular pentagon has a measure of 360-108= 252 degrees

the sum of these exterior angles will be 5*252=1260 degrees

a regular nonagon (9-gon) has the exterior angles measure of 360 -140 = 220 degrees

the sum of these exterior angles of a nonagon will be equal 9*220=1980 degrees

so from these result that

the sum of the measures of the exterior angles of a regular 5-gon is less than the sum of the measures of the exterior angles of a 9-on

hope this will help you

8 0

3 years ago

Solve the system of equation by guess sidle method

lilavasa [31]

Answer: The solution is,

$x_1\approx 0.876$

$x_2\approx 0.419$

$x_3\approx 0.574$

Step-by-step explanation:

Given equations are,

$8x_1 + x_2 + x_3 = 8$

$2x_1 + 4x_2 + x_3 = 4$

$x_1 + 3x_2 + 5x_3 = 5$ ,

From the above equations,

$x_1=\frac{1}{8}(8-x_2-x_3)$

$x_2=\frac{1}{4}(4-2x_1-x_3)$

$x_3=\frac{1}{5}(5-x_1-3x_2)$

First approximation,

$x_1(1)=\frac{1}{8}(8-(0)-(0))=1$

$x_2(1)=\frac{1}{4}(4-2(1)-(0))=0.5$

$x_3(1)=\frac{1}{5}(5-1-3(0.5))=0.5$

Second approximation,

$x_1(2)=\frac{1}{8}(8-(0.5)-(0.5))=0.875$

$x_2(2)=\frac{1}{4}(4-2(0.875)-(0.5))=0.4375$

$x_3(2)=\frac{1}{5}((0.875)-3(0.4375))=0.5625$

Third approximation,

$x_1(3)=\frac{1}{8}(8-(0.4375)-(0.5625))=0.875$

$x_2(3)=\frac{1}{4}(4-2(0.875)-(0.5625))=0.421875$

$x_3(3)=\frac{1}{5}(5-(0.875)-3(0.421875))=0.571875$

Fourth approximation,

$x_1(4)=\frac{1}{8}(8-(0.421875)-(0.571875))=0.875781$

$x_2(4)=\frac{1}{4}(4-2(0.875781)-(0.571875))=0.419141$

$x_3(4)=\frac{1}{5}(5-(0.875781)-3(0.419141))=0.573359$

Fifth approximation,

$x_1(5)=\frac{1}{8}(8-(0.419141)-(0.573359))=0.875938$

$x_2(5)=\frac{1}{4}(4-2(0.875938)-(0.573359))=0.418691$

$x_3(5)=\frac{1}{5}(5-(0.875938)-3(0.418691))=0.573598$

Hence, by the Gauss Seidel method the solution of the given system is,

$x_1\approx 0.876$

$x_2\approx 0.419$

$x_3\approx 0.574$

4 0

3 years ago

8 * 5/7 equalfind the product write the product in its simplest form 8 * 5/7

Naily [24]

The product of 8 and 5/7 is 5.7

Step-by-step explanation:

The given product is $8 \times 5/7$ .

In the product, two terms are given :

The first term 8 is a whole number.
The second term 5/7 is a fraction.

1) So, to find the product of the first term and the second term, one method is to simplify the fraction into decimal number and then perform multiplication operation.

2) Either you can multiply the two terms in the first step and then the division operation is performed at the final step.

First method :

Step 1 : Convert the fraction into decimal

⇒ 5/7 = 0.71

Step 2 : Multiply the result with the other term.

⇒ 8 × 0.71

⇒ 5.68 (approximately 5.7)

Second method :

Step 1 : Multiply both the terms

⇒ 8 ×(5/7) = 40/7

Step 2 : divide 40 by 7

⇒ 40÷ 7 = 5.7

Therefore, the product of 8 and 5/7 is 5.7

7 0

4 years ago

PLEASE ANSWER ASAP FOR BRAINLEST !!!!!!!!!!!!!!!!!!!!

dusya [7]

Answer:

392

Step-by-step explanation:

8 0

3 years ago

What is greater than 0.58 and less than 0.6

Marina86 [1]

Answer:

0.59 im assuming

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers