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3 years ago

What is the value???

Mathematics

2 answers:

Ainat [17]3 years ago

8 0

Step-by-step explanation:

Given

$(( \frac{2}{3} )^{0} ) ^{ - 3}$

We know that If any term has power zero the. it equals to 1

${1}^{ - 3}$

= - 1

sweet [91]3 years ago

7 0

Answer:

0 would be your answer!!!

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Helppop!!A car and van are driving on a highway. The table shows the amount y (in gallons) of gas in the cars gas tank after dri

Korvikt [17]

Answer:

The car uses less gas

They use the same amount of gas after $\frac{640}{7}$ miles

Step-by-step explanation:

Given

The table represents the car mileage

$y = -\frac{1}{5}x + 31$ --- The van

First, calculate the car's slope (m)

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

From the table, we have:

$(x_1,y_1) = (60,13.5);\ \ (x_2,y_2) = (180,10.5)$

So, we have:

$m = \frac{10.5 - 13.5}{180 - 60}$

$m = \frac{-3}{120}$

$m = -\frac{1}{40}$

Calculate the equation using:

$y = -\frac{1}{40}(x - 60)+13.5$

$y = -\frac{1}{40}x + 1.5+13.5$

$y = -\frac{1}{40}x + 15$

$m = -\frac{1}{40}$ implies that for every mile traveled, the car uses 1/40 gallon of gas

Also:

$y = -\frac{1}{5}x + 31$ --- The van

By comparison to: $y = mx + b$

$m = -\frac{1}{5}$

This implies that for every mile traveled, the van uses 1/5 gallon of gas.

By comparison:

$1/40 < 1/5$

This means that the car uses less gas

Solving (b): Distance traveled for them to use the same amount of gas.

We have:

$y = -\frac{1}{5}x + 31$ --- The van

$y = -\frac{1}{40}x + 15$ --- The car

Equate both

$-\frac{1}{5}x + 31 =-\frac{1}{40}x + 15$

Collect like terms

$\frac{1}{40}x -\frac{1}{5}x =-31 + 15$

$\frac{1}{40}x -\frac{1}{5}x =-16$

Take LCM

$\frac{x - 8x}{40} = -16$

$\frac{- 7x}{40} = -16$

Solve for -7x

$-7x = -640$

Solve for x

$x = \frac{640}{7}$

5 0

3 years ago

I need help with two and three

Tasya [4]

#2) 435+25x=875-15x

40x=440

x=11

the answer is 11 weeks.

#3) 2500(3x) for x=10

2500(3*10)

2500(30)

7500

the answer is 7500 bacteria after 10 months.

3 0

3 years ago

Read 2 more answers

What is the solution for the following equation 3(2x+3)=2(3x+4)?

ki77a [65]

Answer:

<h2><u><em>no solution, the equation is false</em></u></h2>

Step-by-step explanation:

what is the solution for the following equation 3(2x+3)=2(3x+4)?

3 * (2x + 3) = 2 * (3x + 4)

6x + 9 = 6x + 8

6x - 6x = -9 + 8

0 = ±1

the equation is false

7 0

2 years ago

Read 2 more answers

The product of 4 , and a number increased by 7 , is -36.

Norma-Jean [14]

Answer:

your awnser should be. 4(x + 7 ) = -36

4 0

3 years ago

Dale bought 23 pounds of flour for $10. How many pounds of flour did he get per dollar?

Korolek [52]

2.3 and 2.30 both are the same but it’s in money so IDK

8 0

3 years ago

What is the value???​

What is the value???