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2 years ago

Simplify the expression. -3(5g + 1) + 8g = Please answer fast! I got 2 minutes!

Mathematics

2 answers:

ehidna [41]2 years ago

8 0

Answer:

-7g - 3

Step-by-step explanation:

1.(0 - 3 • (5g + 1)) + 8g

Pull out like factors :

2.-7g - 3 = -1 • (7g + 3)

and your answer is -7g - 3

mrs_skeptik [129]2 years ago

4 0

Answer:

-1(7g + 3)

Step-by-step explanation:

-3(5g + 1) + 8g

opening the bracket

= -15g -3 + 8g

collect like terms

= -15g + 8g - 3

= -7g - 3

dividing each by -1

= -1(7g + 3)

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Solve for x if the Perimeter = 26<br> 14-2x<br> 2x + 1<br> 3x - 1

sergejj [24]

Answer:

x = 4

Step-by-step explanation:

<em>Perimeter of triangle = sum of all sides</em>

Side 1: 14 - 2x

Side 2: 3x - 1

Side 3: 2x + 1

<em>Perimeter= side 1 + side 2 + side 3</em>

26 = 14 - 2x + 3x - 1 + 2x + 1

26 = 14 - 1 + 1 - 2x + 3x + 2x

26 = 14 + 3x

3x = 12

x = 12/3

x = 4

3 0

3 years ago

Factor Completely:<br> x²+x+8

Igoryamba

Answer:

Does Not Factor

Step-by-step explanation:

No way to factor this.

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3 years ago

Through research scientists found that the body or a 200 lb person consist of 3.2*10 to the nigetive five lbs of zinc. In the bo

denis-greek [22]

In 1500 people of 200 lb each, the total weight would be 300000 lb.
Set up a proportion: 200lb/3.2*10^-5 = 300,000lb/x
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x = 0.48, I believe

8 0

3 years ago

Simplify, assume the variable represents a positive real number

kotykmax [81]

The simplification of the given expression $\sqrt{18y^{21}$ will be equal to $3\sqrt{2} (y)^{\dfrac{21}{2}}$

<h3>What is simplification?</h3>

The process of reducing the complex mathematical expressions into the simplest form is called as the simplification.

The simplification of the given expression will be:

$=\sqrt{18y^{21}}\\\\\\=(18)^{\frac{1}{2} } \times (y)^{\frac{21}{2}}\\\\\\=3\sqrt{2}\times y^{\frac{21}{2}}$

hence the simplification of the given expression $\sqrt{18y^{21}$ will be equal to $3\sqrt{2} (y)^{\dfrac{21}{2}}$

To know more about Simplification follow

brainly.com/question/723406

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2 years ago

the relationship between the x- and y- values in each table is linear. write a function. find the amount and rate of change. (5

Doss [256]

(5)

Since, the relationship is linear

so, we can use point slope form of line and find equation of line

we can select any two points

first point is (4,10)

so, x1=4 , y1=10

second point is (7,17.5)

so, x2=7 , y2=17.5

now, we can find slope

$m=\frac{y_2-y_1}{x_2-x_1}$

now, we can plug values

$m=\frac{17.5-10}{7-4}$

$m=2.5$

now, we can use point slope form of line

$y-y_1=m(x-x_1)$

now, we can plug values

$y-10=2.5(x-4)$

we get

$y=2.5x$

Initial amount:

It is the value of y when x=0

so, we can plug x=0 and find y

$y=2.5\times 0$

$y=0$

So, initial amount is 0

Rate of change:

we know that rate of change is slope

so, m=2.5

so, the rate of change is 2.5

(6)

Since, the relationship is linear

so, we can use point slope form of line and find equation of line

we can select any two points

first point is (2,29)

so, x1=2 , y1=29

second point is (5,41)

so, x2=5 , y2=41

now, we can find slope

$m=\frac{y_2-y_1}{x_2-x_1}$

now, we can plug values

$m=\frac{41-29}{5-2}$

$m=4$

now, we can use point slope form of line

$y-y_1=m(x-x_1)$

now, we can plug values

$y-29=4(x-2)$

we get

$y=4x+21$

Initial amount:

It is the value of y when x=0

so, we can plug x=0 and find y

$y=4\times 0+21$

$y=21$

So, initial amount is 21

Rate of change:

we know that rate of change is slope

so, m=4

so, the rate of change is 4

6 0

2 years ago