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638

Need help

Using infinite geometric series, show that 0.9 = 1

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Guest Mar 5, 2021

568

+206

Graphing Functions

Given that the point $(4,7)$ is on the graph of $y=3f\left(2x\right)+1$, there is one point that must be on the graph of $y=f(x)$. What is the sum of coordinates of that point?

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oliviapow06 Mar 5, 2021

395

HELP ASAP!!!!!

Let $g(x)$ be a function piecewise defined as$$g(x) = \left\{ \begin{array}{c l} -x & x\le 0 \\ 2x-41 & x>0 \end{array} \right. . $$If $a$ is negative, find $a$ so that $g(g(g(10.5)))=g(g(g(a)))$. Express your answer as a decimal.

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Guest Mar 5, 2021

451

complex numbers

There are 3 complex numbers a + bi c + di, and e + fi. If b = 2, e = -a - c, and the sum of the numbers is 3i, find d + f.

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Guest Mar 5, 2021

552

coordinates

The midpoint of AB is M(-4,0). If the coordinates of A are (-6,4), what are the coordinates of B?

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Guest Mar 5, 2021

500

Help

Marianne increased the amount of minutes she ran today by 9 minutes. If she ran more than 28 minutes todau, how many minutes , x, could she have run yesterday?

X-9>28 x+9>28 read more ..

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Guest Mar 5, 2021

538

+206

help?????

Rationalize the denominator of $\displaystyle \frac{1}{\sqrt[3]{3} - \sqrt[3]{2}}$. With your answer in the form $\displaystyle \frac{\sqrt[3]{A} + \sqrt[3]{B} + \sqrt[3]{C}}{D}$, and the fraction in lowest terms, what is ?$A + read more ..

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oliviapow06 Mar 5, 2021

625

need help

At an altitude of 18,000ft, a helicopter pilot spots the landing pad ahead at an angle of depression of 16 . What is the horizontal distance between the helicopter and the landing pad?(use laws of sines)

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Guest Mar 5, 2021

476

complex numbers

Karl was attempting to calculate economic figures. He found the following equation to be true:
fp - w = 10000
If f = 5 and w = 125i, what is p?

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Guest Mar 5, 2021

702

+218

Wierd...

Here's the question:

Brad mixes seeds to attract birds. His Blue mix is 55% sunflower and 45% bluegrass. His Rye mix
is 30% sunflower and 70% ryegrass. His Master mix combines some of each of the Blue and Rye mixes.
If Master read more ..

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MathyGoo13 Mar 5, 2021

514

rectangle

The length of a rectangle is 1 inch more than 2 times its width. The area of a rectangle is 36 square inches. What is the length of the rectangle?

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Guest Mar 5, 2021

547

+12

Proving shapes similair.

I know all of the different ways that you can prove a triangle similar, but somehow it doesn't translate over to quadrilaterals. For example, SSSS similarity doesn't work for quadrilaterals. How would I know whether or not a quadrilateral is similar or read more ..

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AngleObtuse Mar 5, 2021

542

+230

hey baes I need some help

Let
\[f(x) =
\begin{cases}
3x^2 + 2&\text{if } x\le 3, \\
ax - 1 &\text{if } x>3.
\end{cases} <#> \]
Find $a$ if the graph of $y=f(x)$ is continuous (which means the graph can be drawn without lifting your pencil from read more ..

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wizzymath Mar 5, 2021

1097

Pls Help

Plunk and Ms. Q run a 100-meter race. Plunk runs at 8 meters per second, and Ms. Q runs at 5 meters per second. Because Ms. Q runs slower, she is given a 3-second head start. Plunk wins the race. How much time, in seconds, is it between the time Plunk passes read more ..

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Guest Mar 5, 2021

419

Polygons

Let ABCDEF be a convex hexagon. Let A', B', C', D', E', F' be the centroids of triangles FAB, ABC, BCD, CDE, DEF, EFA, respectively.
(a) Show that every pair of opposite sides in hexagon A'B'C'D'E'F' (namely A'B' and D'E', B'C' and E'F', and C'D' read more ..

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Guest Mar 5, 2021

551

+69

NEED HELP ASAP PLZ!!

Let f(x) be a quadratic polynomial such that f(-4) = -22, f(-1) = 2, and f(2) = -1 Let g(x) = f(x)^16 Find the sum of the coefficients of the terms in g(x) with even exponents. (For example, the sum of the coefficients of the terms in -7x^3 + 5x^2 + 10 read more ..

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Feezbio201902 Mar 5, 2021

461

The graph of a secant function shows no functional values on (−5, 5). The asymptotes of the function occur every π units.

The graph of a secant function shows no functional values on (−5, 5). The asymptotes of the function occur every π units.
Which function represents the secant function described?
f(x)=5sec(x)
f(x)=sec(x)+5 read more ..

Guest Mar 5, 2021

Mar 4, 2021

376

circles

Solve for x.

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Guest Mar 4, 2021

518

help me please i never get answers so sad :(((((

Let be a nonreal complex number such that Find the real part of

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Guest Mar 4, 2021

562

+138

No clue where to begin - IB HL

This boggles my mind idk where to begin

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SpaceTsunaml Mar 4, 2021

417

hcjdbnhcjbhjbchjfbcbjnbnj

Liam had 6 cups of flour. He used 4 2/3 cups of flour to make cookies. How many cups of flour does Liam have left?

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Guest Mar 4, 2021

487

algebra

A value 3 times a smaller number is 4 less than a larger number . Their difference is 38.Find the numbers.
Smaller:
Larger: read more ..

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kyky27 Mar 4, 2021

389

domain

Find the domain of the real-valued function
f(x) = sqrt(-6x^2 + x + 12).
Give the endpoints in your answer as common fractions (not mixed numbers or decimals).

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Guest Mar 4, 2021

536

Use the bar graph to find the experimental probability of the event.

Use the bar graph to find the experimental probability of the event.
The experimental probability of spinning a number less than 3 is what

Guest Mar 4, 2021

All Questions ⁺⁰238125 Questions

Need help

Graphing Functions

HELP ASAP!!!!!

complex numbers

coordinates

Help

help?????

need help

complex numbers

Wierd...

rectangle

Proving shapes similair.

hey baes I need some help

Pls Help

Polygons

NEED HELP ASAP PLZ!!

The graph of a secant function shows no functional values on (−5, 5). The asymptotes of the function occur every π units.

circles

help me please i never get answers so sad :(((((

No clue where to begin - IB HL

hcjdbnhcjbhjbchjfbcbjnbnj

algebra

domain

Use the bar graph to find the experimental probability of the event.

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