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3 years ago

3 6=-3(x+2) need help

Mathematics

1 answer:

svetoff [14.1K]3 years ago

4 0

Answer:

x = -14

Step-by-step explanation:

Hi there !

36 = - 3(x + 2)

36 = - 3x - 6

3x = - 36 - 6

3x = - 42

x = - 42/3

x = - 14

Good luck !

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the ratio of boys to girls in a class is 8 to 5 what is the ratio of girls to all the students in the class

AlexFokin [52]

Answer:

5 to 13

Step-by-step explanation:

There are 5 girls in the class

To find the amount of kids in the class you have to add the girls and boys together.

There are 5 girls and 8 boys.

So 8 + 5 = 13

So there are 5 girls out of 13 students.

4 0

3 years ago

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Triangle ABC is congruent to triangle DFE. Find x.

diamong [38]

Since congruent triangles are the exact same figures, then triangle ABC is the exact same shape as triangle DFE. Hence, as I don't have any additional information to find x, x would be the same for both figures.

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3 years ago

Katie buys a large pizza for $14.99 and bottles of soda for $1.50 each. If the total cost was $23.99, how many bottles of soda (

Nady [450]

The number of soda bottles Katie bought is 6

The given parameters are:

Large Pizza = $14.99
Soda = $1.50 per bottle
Total cost = $23.99

Assume the number of soda bottle is x.

So, we have:

$Total = Pizza + Soda \times x$

This gives

$23.99 = 14.99 + 1.50\times x$

Subtract 14.99 from both sides of the equations

$9 = 1.50\times x$

Divide both sides of the equations by 1.5

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Rewrite the equation as

$x = 6$

Hence, the number of bottles is 6

Read more about linear equations at:

brainly.com/question/14323743

7 0

2 years ago

Find the following integral. Integrate x + 5/x^2 +10x +26 dx

sweet-ann [11.9K]

Given :

Polynomial , $f(x)=x+\dfrac{5}{x^2}+10x+26$ .

To Find :

Integration of f(x) .

Solution :

We know , integration of $x^n$ is :

$\int x^n \, dx = \dfrac{x^{n+1}}{n+1}+C$

( Here , is C is a constant )

Now ,

$\int f(x)\ dx=\int( x+\dfrac{5}{x^2}+10x+26)dx\\ \\ \int f(x)\ dx= \int x\ dx+\int 5x^{-2}\ dx+\int 10 x \ dx +26\ dx\\ \\ \int f(x)\ dx=\dfrac{x^2}{2}+\dfrac{5\times x^{-1}}{(-1)}+\dfrac{10x^2}{2}+26x+C\\\\ \int f(x)\ dx=\dfrac{11x^2}{2}+26x-5x^{-1}+C$