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
slega [8]
2 years ago
11

Please help me! I will mark Brainliest if you answer all of these portfolio questions!

Mathematics
2 answers:
ra1l [238]2 years ago
8 0
Your pic is not showing
vladimir2022 [97]2 years ago
7 0

Answer:

I filled out the PDF to make it easy hope this helps

Step-by-step explanation:

let me know if you need help understanding how I did things.

Download pdf
You might be interested in
What's 1+1? <br><br>Brainliest With The Correct Answer​
GrogVix [38]

2 is the answer.........

4 0
2 years ago
Read 2 more answers
Find the approximate area between the curve f(x) = -4x² + 32x and on the x-axis on the interval [0,8] using 4 rectangles. Use th
Doss [256]

Split up the interval [0, 8] into 4 equally spaced subintervals:

[0, 2], [2, 4], [4, 6], [6, 8]

Take the right endpoints, which form the arithmetic sequence

r_i=2+\dfrac{8-0}4(i-1)=2i

where 1 ≤ <em>i</em> ≤ 4.

Find the values of the function at these endpoints:

f(r_i)=-4{r_i}^2+32r_i=-16i^2+64i

The area is given approximately by the Riemann sum,

\displaystyle\int_0^8f(x)\,\mathrm dx\approx\sum_{i=1}^4f(r_i)\Delta x_i

where \Delta x_i=\frac{8-0}4=2; so the area is approximately

\displaystyle2\sum_{i=1}^4(-16i^2+64i)=-32\sum_{i=1}^4i^2+128\sum_{i=1}^4i=-32\cdot\frac{4\cdot5\cdot9}6+128\cdot\frac{4\cdot5}2=\boxed{320}

where we use the formulas,

\displaystyle\sum_{i=1}^ni=\frac{n(n+1)}2

\displaystyle\sum_{i=1}^ni^2=\frac{n(n+1)(2n+1)}6

6 0
3 years ago
Helpppppppppppppppppppppppppppppppp
Sonbull [250]
The equation is y=(x-7)^2+7.

We are looking for a function with a vertex above the x-axis and a function that opens upward (has coefficient a > 0).

The first function opens downward and intersects the x-axis. The second function has a vertex below the x-axis. The third function satisfies our requirements. The fourth function has a vertex on the x-axis.

We can solve this algebraically with the knowledge that the real solutions of a quadratic are its x-intercepts. If there are no x-intercepts (because it lies entirely above or below the x-axis), then there are no real solutions. This is true when the discriminant b^2-4ac \ \textless \  0. You can see that from the quadratic formula. This holds true for both answers A and C, so to find the correct one, we remember that when the coefficient a of the x^2 term is positive, the graph opens upwards, so we choose C.
5 0
3 years ago
Read 2 more answers
The map of a walking trail is drawn on a coordinate grid with three points of interest.
rewona [7]

Answer:

12 units

Step-by-step explanation:

Given the points :

R(−3, 2) - - - > S(2, 2) - - - - > T(2, −5).

Distance between R and S

Distance between two points is obtained thus :

D = sqrt((x2 - x1)^2 + (y2 - y1)^2)

Distance between R and S

x1 = - 3 ; y1= 2 ; x2 = 2 ; y2 = 2

D1 = sqrt((2 - (-3))^2 + (2 - 2)^2)

D1 = sqrt((5^2 + 0^2))

D1 = sqrt(25)

D1 = 5

Distance between S and T

x1 = 2 ; y1= 2 ; x2 = 2 ; y2 = - 5

D2 = sqrt((2 - 2)^2 + (-5 - 2)^2)

D2 = sqrt((0^2 + (-7)^2))

D2 = sqrt(49)

D2 = 7

Hence, total length = D1 + D2 = 5 + 7 = 12 units

6 0
2 years ago
Mr. Lott has 250 more centimeters of tape than Mrs. Sanchez. Mr. Lott has 775 centimeters of tape. How many centimeters of tape
Mazyrski [523]

answer is 525 because 775-250=525

Step-by-step explanation:

5 0
3 years ago
Other questions:
  • Whats the cubed root 64/343
    8·2 answers
  • Calculamos la fuerza de atracción gravitatoria entre dos cuerpos de 12kg y 30kg separados 50cm
    8·1 answer
  • Market-share-analysis company Net Applications monitors and reports on Internet browser usage. According to Net Applications, in
    15·1 answer
  • How many solutions are in the equation 3x^2+4x-7=0?
    7·1 answer
  • Can someone solve this please
    6·1 answer
  • <img src="https://tex.z-dn.net/?f=5%20%5Csqrt%7B15%7D%20" id="TexFormula1" title="5 \sqrt{15} " alt="5 \sqrt{15} " align="absmid
    5·1 answer
  • GIven f(x) = 3x + 2, Find f(x) = 8 (Solve for x)
    12·1 answer
  • Graham recruited student volunteers to participate in his dissertation study. He set up several times for students to come to a
    14·1 answer
  • -3/4 x (-12) i need the answer pls
    8·1 answer
  • Angle 1 and Angle 2 are complementary angles. Angle 1 is 5x degrees. Angle 2 is 50 degrees. Find the value of x. Type ONLY the n
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!