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
frozen [14]
3 years ago
15

PLEASE HELP THIS IS URGENT!

Mathematics
1 answer:
andriy [413]3 years ago
3 0

Answer:

D

Step-by-step explanation:

You might be interested in
the weight of an elephant is10.3 times the weight of a cat. if the elephant weighs 14,000 pounds, how many pounds does the cat w
sveticcg [70]
Just divide the 14,000 by 10,3 and will get sure right easy the correct answer 

hope helped 
6 0
3 years ago
Read 2 more answers
What is the measure of ∠JSM?<br> A) 12° <br> B) 17° <br> C) 23° <br> D) 31°
Artemon [7]

I think it would be “B”

6 0
3 years ago
Read 2 more answers
Evaluate Dx / ^ 9-8x - x2^
Solnce55 [7]
It depends on what you mean by the delimiting carats "^"...

Since you use parentheses appropriately in the answer choices, I'm going to go out on a limb here and assume something like "^x^" stands for \sqrt x.

In that case, you want to find the antiderivative,

\displaystyle\int\frac{\mathrm dx}{\sqrt{9-8x-x^2}}

Complete the square in the denominator:

9-8x-x^2=25-(16+8x+x^2)=5^2-(x+4)^2

Now substitute x+4=5\sin y, so that \mathrm dx=5\cos y\,\mathrm dy. Then

\displaystyle\int\frac{\mathrm dx}{\sqrt{9-8x-x^2}}=\int\frac{5\cos y}{\sqrt{5^2-(5\sin y)^2}}\,\mathrm dy

which simplifies to

\displaystyle\int\frac{5\cos &#10;y}{5\sqrt{1-\sin^2y}}\,\mathrm dy=\int\frac{\cos y}{\sqrt{\cos^2y}}\,\mathrm dy

Now, recall that \sqrt{x^2}=|x|. But we want the substitution we made to be reversible, so that

x+4=5\sin y\iff y=\sin^{-1}\left(\dfrac{x+4}5\right)

which implies that -\dfrac\pi2\le y\le\dfrac\pi2. (This is the range of the inverse sine function.)

Under these conditions, we have \cos y\ge0, which lets us reduce \sqrt{\cos^2y}=|\cos y|=\cos y. Finally,

\displaystyle\int\frac{\cos y}{\cos y}\,\mathrm dy=\int\mathrm dy=y+C

and back-substituting to get this in terms of x yields

\displaystyle\int\frac{\mathrm dx}{\sqrt{9-8x-x^2}}=\sin^{-1}\left(\frac{x+4}5\right)+C
4 0
3 years ago
16.8 - (-23.72)+(-31.3) = x
KatRina [158]

Let's solve  your equation step-by-step

16.8-(-23.72)-31.3=x

Step 1:simplify both sides of the equation

16.8-(-23.72)-31.3=x

16.8+23.72+-31.3=x

(16.8+23.72+-31.3)=x (combine like terms)

9.22=x

9.22=x

Step 2: flip the equation

Answer: x=9.22

5 0
3 years ago
Solve 7 8 and 9 please
VLD [36.1K]
7) y = 4x
8) y = 7x/8
9) y = 25x/3

I think this are the answers.
7 0
3 years ago
Read 2 more answers
Other questions:
  • According to the Venn diagram below, what is P(A or B or C) ?. . 22/25. . 23/25. . 21/25. . 24/25
    11·1 answer
  • PLEASE HELP. You are president of the high school band booster club. You have arranged for the school’s jazz band to perform at
    7·2 answers
  • Question 2
    15·1 answer
  • Which of the following equations is written in standard form?
    7·1 answer
  • Write the equation of a vertical line that passes through the point (–4, 4).
    14·1 answer
  • Plz help solve this. i need the answer asap
    9·2 answers
  • PLS how to do this 3 sums
    5·1 answer
  • A plant was 46 centimetres tall. After a month it had grown 7% taller. How tall was the plant after a month?
    9·1 answer
  • Please answer any questions you can pls
    12·1 answer
  • Find the coordinates of the midpoint of a segment with the endpoints (7,-5) and<br> (3, 3).
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!