All Questions

345

I am struggling with this problem:

I am struggling with this problem:

(a) Let be defined by Show that has no inverse function.
read more ..

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Guest Mar 25, 2021

448

need help with angles

What is the measure of angle b?

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Guest Mar 25, 2021

433

parallel lines

If AB || CD, then find each angle measure

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Guest Mar 25, 2021

308

3d geometry

The edges of the bases of the frustum of a regular square pyramid have length 5 and 9, and the slant height of the frustum is 6. What is the volume of the frustum?

Guest Mar 25, 2021

259

geometry

What is the solution for x and y?

Guest Mar 25, 2021

741

math

An element with mass 510 grams decays by 26.3% per minute. How much of the element is remaining after 7 minutes.

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Guest Mar 25, 2021

684

+20

I'm going to repost since no one answered (except a troller)

Let $0 \le a, b, c \le 5$ be integers. For how many ordered triples $(a,b,c)$ is $a^2b+b^2c+c^2a-ab^2-bc^2-ca^2 = 0$?

THANKS!!!

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CoolKid Mar 25, 2021

489

+409

Subtract:

Subtract:
(5𝑥^2−3𝑥+5)−(−6𝑥^2+3𝑥+8)

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liz54321 Mar 25, 2021

624

+409

A rectangle’s length is 9 feet shorter than three times its width. The rectangle’s perimeter is 222 feet.

A rectangle’s length is 9 feet shorter than three times its width. The rectangle’s perimeter is 222 feet.

Find the rectangle’s length and width.

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liz54321 Mar 25, 2021

386

+409

Renee invested a total of $5,500 in two accounts. One account pays 3% interest annually; the other pays 6%6% interest annually. At the end

Renee invested a total of $5,500 in two accounts. One account pays 3% interest annually; the other pays 6%6% interest annually. At the end of the year, Renee earned a total of $195in interest. How much money did Renee invest in read more ..

liz54321 Mar 25, 2021

277

algebra

3 yards of cotton and 12 yards of denim cost 45 dollars. On the other hand, 5 yards of cotton and 8 yards of denim cost 51 dollars. What is the price of a yard of each?

Guest Mar 25, 2021

611

Measurement of Two-Dimensional Figures

The tip of a 6 inch minute hand of a clock sweeps out circular arcs.
What is the length of the arc made by the tip of the minute hand between 5:35 and 5:45?
Use 3.14 for pi. Round your answer to the nearest hundredth.

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Guest Mar 25, 2021

225

parallel lines

In the figure below, k || l and m || n. Find the values of x and y.

Guest Mar 25, 2021

1168

picture frame

The frame around a rectangular picture has a uniform width. The dimensions of the picture are 5 in. by 7 in. If the combined area of the picture and the frame is 80 in.2, what is the width of the frame?

read more ..

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Guest Mar 25, 2021

Mar 24, 2021

266

probability

Sam has a set of cards that show a different number, as shown below. Sam randomly selects two cards. What is the probability that Sam will select a card that has an odd number, replace it, and then selecting a number less than 4?

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Guest Mar 24, 2021

265

algebra

You are selling tickets to the junior play. Student tickets cost 4 dollars and general admission tickets cost 6 dollars. You sell 450 tickets and collect $2340. How many of each type did you sell?

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Guest Mar 24, 2021

398

probability

Kendra has 5 red marbles, 4 blue marbles, and 3 white marbles. What is the probability that she draws a red marble and then a blue marble without replacing the first marble? *

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Guest Mar 24, 2021

236

graphs of rational functions

The graph shown here is the graph of which of the following rational functions?

Guest Mar 24, 2021

365

inverse functions

Which pair of functions are inverses of each other?

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Guest Mar 24, 2021

557

System of Equations

Solve the following system of equations for all three variables

6x + 8y - 3z = -10
2x + 8y - 5z = 2 read more ..

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Guest Mar 24, 2021

574

graphing functions

Which equation choice could represent the graph shown below?

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Guest Mar 24, 2021

416

Geometry - Triangles

In triangle ABC, AB = AC, and angle A is equal to 36 degrees. Point D is on AC so that BD bisects angle ABC.
(a) Prove that BC = BD = AD.

I just need some hints on this part a... I'm feeling a bit stuck. read more ..

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Guest Mar 24, 2021

433

+69

Help ASAP!

Let Find the sum of all values of x such that f(x) = -5

CentsLord ●●●●

Feezbio201902 Mar 24, 2021

405

inverse functions

f(x) = 1/(x - 3) + 7. Find the inverse of f(x) and its domain.

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Guest Mar 24, 2021

515

congruent triangles

Which two triangles are congruent to triangle T?

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Guest Mar 24, 2021

All Questions ⁺⁰230860 Questions

I am struggling with this problem:

need help with angles

parallel lines

3d geometry

geometry

math

I'm going to repost since no one answered (except a troller)

Subtract:

A rectangle’s length is 9 feet shorter than three times its width. The rectangle’s perimeter is 222 feet.

Renee invested a total of $5,500 in two accounts. One account pays 3% interest annually; the other pays 6%6% interest annually. At the end

algebra

Measurement of Two-Dimensional Figures

parallel lines

picture frame

probability

algebra

probability

graphs of rational functions

inverse functions

System of Equations

graphing functions

Geometry - Triangles

Help ASAP!

inverse functions

congruent triangles

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