1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
postnew [5]
3 years ago
15

If s(x)=2-x^2 and t(x)=3x, which value is equivalent to (s*t)(-7)?

Mathematics
1 answer:
andreyandreev [35.5K]3 years ago
5 0

Answer:

(s*t)(-7) = 987

Step-by-step explanation:

s(x) = 2 - x²

t(x) = 3x

To find (s*t)(x), multiply s(x) and t(x).

(s*t)(x) = (2 - x²)(3x)

(s*t)(x) = 6x - 3x³

Now that you have (s*t)(x), plug -7 in.

(s*t)(-7) = 6(-7) - 3(-7)³

(s*t)(-7) = 6(-7) - 3(-343)

(s*t)(-7) = -42 + 1029

(s*t)(-7) = 987

You might be interested in
Simplify the expression:-5-(-26)​
cluponka [151]

Answer:

21

Step-by-step explanation:

-(-26) would be positive 26 because one negative multiplied by another negative equals a positive. We are left with -5+26 which would equal 21.

4 0
3 years ago
Read 2 more answers
What is the equation of the perpendicular bisector of CB?
Olegator [25]

Answer:

equation for perpendicular bisector passing through CB is;

y=⁴/³– 5/30

6 0
3 years ago
Find the area of this composite figure step by step
xenn [34]

Step-by-step explanation:

areas of the figure = 130.25 ft ².

plz mark my answer as brainlist plzzzz vote me also.

<em>hope </em><em>this</em><em> will</em><em> be</em><em> helpful</em><em> to</em><em> you</em><em> </em><em> </em><em>.</em>

4 0
3 years ago
Read 2 more answers
5(1+4K)+7k=4(7k+2)<br> Help
stepladder [879]

Answer:

k = -3

Step-by-step explanation:

1) Simplify

5+20k+7k=28k+8

2) Combine the k's

5+27k=28k+8

3) Subtract 27k on both sides

5=k+8

4) Subtract 8 on both sides

-3=k or k= -3

5 0
3 years ago
Simplify to a single power of 2: 2^4/ 2^3
Natali [406]

Step-by-step explanation:

This leads to another rule for exponents—the Power Rule for Exponents. To simplify a power of a power, you multiply the exponents, keeping the base the same. For example, (23)5 = 215. For any positive number x and integers a and b: (xa)b= xa· b.

Answer:

2^1

3 0
3 years ago
Other questions:
  • What is the y intercept of 2y-5x=16
    11·2 answers
  • Julie has a cylinder containing sugar. The cylinder has a volume of 288π cubic centimeters. Which of the following could be the
    8·2 answers
  • A dessert shop charges $1.50 for a dish of frozen yogurt and $0.50 for each topping. You have $3.75. Which is the best inequalit
    14·2 answers
  • Two fair dice are rolled. What is the probability that the sum or product of the two numbers rolled is either 6 or 7?
    11·1 answer
  • Which are the coordinates of the x-intercept in the equation −4+5=20
    7·1 answer
  • Jan's gas tank is nearly empty, at 1/12 full. she doesn't have enough cash to fill the tank, she adds enough gas to reach 2/3 fu
    14·2 answers
  • Can somebody please help me?
    11·2 answers
  • Need help!!!!!!!!!!!!!!!!
    9·2 answers
  • A jar contains 0.25 liter of apple juice and 0.30 liter of grape juice. Melissa poured 0.75 liters of pineapple juice into the j
    11·2 answers
  • Write the log equation as an exponential equation. you do not need to solve for x.
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!