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
gogolik [260]
3 years ago
12

Pls help me on this.

Mathematics
1 answer:
Fiesta28 [93]3 years ago
3 0
a) x=4

10+2x+6=24
-2x. -2x
10+6=-2x+24
-24. -24
10+6-24=-2x
simplify
-8=-2x
divide both sides by -2
4=x

2. x=7


14+3x+5=40
-3x. -3x
14+5=40-3x
-40. -40
14+5-40=-3x
-21=-3x
divide both side by -3
7=x




You might be interested in
Explain why Rolle's Theorem does not apply to the function even though there exist a and b such that f(a)
Anna35 [415]

Rolle's Theorem does not apply to the function because there are points on the interval (a,b) where f is not differentiable.

Given the function is f(x)=\sqrt{(2-x^{\frac{2}{3}})^{3}}  and the Rolle's Theorem does not apply to the function.

Rolle's theorem is used to determine if a function is continuous and also differentiable.

The condition for Rolle's theorem to be true as:

  • f(a)=f(b)
  • f(x) must be continuous in [a,b].
  • f(x) must be differentiable in (a,b).

To apply the Rolle’s Theorem we need to have function that is differentiable on the given open interval.

If we look closely at the given function we can see that the first derivative of the given function is:

\begin{aligned}f(x)&=\sqrt{(2-x^{\frac{2}{3}})^3}\\ f(x)&=(2-x^{\frac{2}{3}})^{\frac{3}{2}}\\ f'(x)&=\frac{3}{2}(2-x^{\frac{2}{3}})^{\frac{1}{2}}\cdot \frac{2}{3}\cdot (-x)^{\frac{1}{3}}\\ f'(x)&=\frac{-\sqrt{2-x^{\frac{2}{3}}}}{\sqrt[3]{x}}\end

From this point of view we can see that the given function is not defined for x=0.

Hence, all the assumptions are not satisfied we can reach a conclusion that we cannot apply the Rolle's Theorem.

Learn more about Rolle's Theorem from here brainly.com/question/12279222

#SPJ4

8 0
2 years ago
Which expression is equivalent to -2 - 7 <br><br> -2 - (-7) <br> 2 - 7 <br> -2 + (-7) <br> 2+7
Lunna [17]

Answer:

Step-by-step explanation:

-2+ (-7) = -2 - 7

7 0
3 years ago
Read 2 more answers
How many times smaller is 2 x 10-13 than 4 x 10-10
polet [3.4K]

Answer:

30/7

Step-by-step explanation:

2 x 10 -13

20 - 13

7

4 x 10 -10

40 - 10

30

7 0
3 years ago
Simplify: 5y-3/12y - y-5/20y:<br><br> <img src="https://tex.z-dn.net/?f=%5Cfrac%7B5y-3%7D%7B12y%7D%20-%5Cfrac%7By-5%7D%7B20y%7D"
Damm [24]

Answer:

i think the answer is -y^2/20 + 2y/3 - 1/4

6 0
3 years ago
What is are indices
White raven [17]

Answer:

The index of a number says how many times to use the number in a multiplication. It is written as a small number to the right and above the base number. In this example: 82 = 8 × 8 = 64. The plural of index is indices. (Other names for index are exponent or power.)

Step-by-step explanation:

8 0
3 years ago
Other questions:
  • In music, a quaver is one-eighth of a semibreve (whole note). What fraction of a semibreve is a hemidemisemiquaver? (Hint: hemi-
    8·1 answer
  • 7g:1kg to its simplest form​
    5·1 answer
  • June spent $78.91 on her pizza at Mellow Mushroom. She spent $6.65 on her drinks. How much more did she spend on pizza than drin
    13·1 answer
  • A rectangle has a length of 12 mm and a width of 15 mm. Which statement best describes the change in the
    6·1 answer
  • Colin invests £1200 into his bank account.
    8·2 answers
  • I will give brainiest to whom is correct
    15·2 answers
  • Pls help Which of the following exponential equations is equivalent to the logarithmic equation below ? In x = 7
    13·1 answer
  • HELP WILL GIVE BRAINLIEST!!!!1
    6·2 answers
  • Help me oh please!!!!!!!!
    15·1 answer
  • To collect data on the signal strengths in a neighborhood, Tracy must drive from house to house and take readings. She has a gra
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!