Express v in terms of t

Answers

Answer 1

Answer:

As per linear equation, 'v' can be expressed in terms of 't' as: v = 4t - 4

What is a linear equation?

"A linear equation is an equation in which the highest power of the variable is always 1. It is also known as a one-degree equation. When this equation is graphed, it always results in a straight line. "

Given linear equation,

$t = (v)/(4) + 1$

⇒ $(v)/(4) = t - 1$

⇒ v = 4(t - 1)

⇒ v = 4t - 4

Learn more about a linear equation here: brainly.com/question/25170296

#SPJ2

Answer 2

Answer: Move the 1 to the other side

t - 1 = v/4

4(t - 1) = v
4t - 4 = v

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There are ten questions on Jack's science quiz: six multiple choice questions with four choices each and four true/false questions. How many ways can he answer the question?

Answers

Questions with multiple choice can be answered: 4^6 = 4096 ways
True/false questions can be answered: 2^4 = 16 ways

The total number of ways to answer all questions = 4096*16 =65,536 ways

Find the area of the triangle. Figure is not drawn to scale. Show your work. (Image attached)Thanks so much in advance !! :))

Answers

Answer: $13.8cm^2$

Step-by-step explanation:

The area of a triangle can be calculated with the formula:

$A_((triangle))=(b*h)/(2)$

The base of the triangle is "b" and the height of the triangle is "h",

In the figure you can observe that the base and the height of the triangle are:

$b=6.9cm\nh=4cm$

Knowing these values, you can substitute them into $A_((triangle))=(b*h)/(2)$ .

Therefore, the area of the triangle is:

$A_((triangle))=((6.9cm)(4cm))/(2)$

$A_((triangle))=13.8cm^2$

HELP GIVING BRAINLIEST Carlene is selling T-shirts for a fundraiser. The T-shirts cost $20.50 each. To date, she has raised $900. Her goal is to raise more than $9,100. How many more T-shirts, x, does Carlene need to sell to reach her goal?Select the number line that includes the fewest number of T-shirts Carlene can sell and still meet her goal.

Answers

FYI:

Sorry, I can't answer your second question because I can't see any number-lines in your question. But yes, I can answer the first one.

Answer:

400 T-Shirts

Step-by-step explanation:

If each T-Shirt is $20.50, that means that Carlene has to sell lots of them in order to earn the amount of money she wants. So, to find how many T-Shirts she needs to sell in order to get $9,100, we have first remove $900 dollars from the $9,100, because she ALREADY earned it!

9,100-900=8,200

Now we have to divide $8,200 by $20.50. like this...

8,200÷20.50=400

Now, that's our answer. 400.

Carlene has to sell 400 more T-Shirts in order to earn to her goal!

Thank You! Please mark me brainliest so that I can get encouraged to make more great answers like this one!

Samantha buys one vase and x roses. The vase costs $15 and each rose costs $2.What function equation represents the amount of money Samantha spends?

f(x)=15x−2

f(x)=2x−15

f(x)=2x+15

f(x)=15x+2

Answers

I believe the correct answer from the choices listed above is the third option. The equation that would represent the amount of money Samantha spends would be f(x)=2x+15 where 15 represents the value of the vase which is a fix amount and 2x is the value of the roses.

Hope this answers the question. Have a nice day.

Answer:

f(x)=2x+15

Step-by-step explanation:

What is the discriminant of the quadratic equation 2x + 5x2 = 1?

Answers

$5x^2+2x-1=0$

Delta equation is:

$\Delta =(-b\pm\sqrt(b^2-4ac))/(2a)$

but we are interested in $b^2-4ac$ because it determines the discriminant

$5^2-4*2*(-1)=25+8=33$

$33>0$

which means that discriminant is positive :)

Answer:

The discriminant of the quadratic equation is 24 .

Step-by-step explanation:

Discriminant form of the quadratic equation .

D = b² - 4ac

As the quadratic equation in the form.

2x + 5x² = 1

Simplify the above term

5x² + 2x - 1 = 0

As the quadratic equation in the form

ax² + bx + c =0

Here a = 5 , b = 2 , c= -1

put in the formula

D = 2 × 2 - 4× 5 × -1

D = 4 +20

D = 24

Therefore the discriminant of the quadratic equation 5x² + 2x - 1 = 0 is 24 .

Equation of the line passing through the points 4,11 and -1,-14

Answers

Answer: y = 5x -9

Step-by-step explanation:

first grt slope:

m = rise / run

m = (11- -14) / (4 - -1)

m = (25) / (5) = 5

y - 11 = 5* (x - 4)

Y = 5x -9

From MysticAlanCheng

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