All Questions ⁺⁰235714 Questions

0

48

1

+1678

help with triangles

Find $\sin \angle ACB$.
Find $\sin \angle ABC$.

wiseowl Oct 26, 2023

0

68

0

+1678

trig equation

Let $x$ be an acute angle such that $\tan x + \sec x = 2 \cot x.$ Find $\cos x$.

wiseowl Oct 26, 2023

0

35

0

+1678

acute angle

Let $\theta$ be an acute angle. If $\cos \theta = \frac{3}{11},$ then what is $\sin \theta?$

wiseowl Oct 26, 2023

0

35

0

+1678

need help

Degrees are not the only units we use to measure angles. We also use radians. Just as there are $360^\circ$ in a circle, there are $2\pi$ radians in a circle. Compute $\cos \frac{2 \pi}{7},$ where the angle $\frac{2 \pi}{7}$ is in radians.<read more ..

wiseowl Oct 26, 2023

0

36

1

+1678

trig question

A tall pole is constructed in a flat parking lot; the pole stands straight up and forms a right angle with the ground. The pole casts a shadow, as shown below. The length of the shadow is $22$ feet. Find the height of the pole, to the nearest read more ..

wiseowl Oct 26, 2023

0

46

0

+1911

range

Let
\[f(x) = (\arccos x)^2 \cdot (\arcsin x)^2.\]
Find the range of $f(x).$ All functions are in radians.

tomtom Oct 26, 2023

0

64

0

+1911

trig equation

Find the number of positive solutions to
\[\sin (\arccos( \tan (\arcsin x) ) ) = x^2.\]

tomtom Oct 26, 2023

0

65

0

+1911

solve

Find all values of x so that arccos x > arcsin x + arctan x.

tomtom Oct 26, 2023

Oct 25, 2023

0

33

1

+817

need help

Solve the inequality -4(x + 4) > x + 7 + 8x + 21.

maximum Oct 25, 2023

0

51

2

+817

help plz

I own a large truck, and my neighbor owns four small trucks that are all identical. My truck can carry a load of at least $500$ pounds more than each of her trucks, but no more than $\frac{1}{4}$ of the total load her four trucks combined can carry. read more ..

maximum Oct 25, 2023

0

30

1

+817

Inequality

Solve the inequality 2x - 5 <= -x + 12 - 7x + 18.

maximum Oct 25, 2023

0

27

1

+817

perpendicular bisector

Write the equation for the perpendicular bisector of the line segment connecting the points $(3,2)$ and $(-1,7)$ in the form $y = mx + b$.
Note: The perpendicular bisector of the line segment $\overline{AB}$ is the line that passes through the midpoint read more ..

maximum Oct 25, 2023

Oct 24, 2023

0

37

2

+4

Consider the following inequality problem.

Consider the following inequality problem.
7w≤8w−4 or 3−5w>33
Step 3 of 4 :
Using your answers from the previous steps, read more ..

notequal Oct 24, 2023

0

43

1

+817

line

Fill in the blanks with integers, and select the correct operator ($+$ or $-$), to give an equation whose graph is the line that passes through the point $(-1,8)$ and is parallel to the graph of $4x + 3y = -8 - x - 15y.$

maximum Oct 24, 2023

0

26

1

+817

equation of line

Line $\ell_1$ represents the graph of $3x + 2y = -14 - 8x + 5y$. Line $\ell_2$ passes through the point $(5,-6)$, and is perpendicular to line $\ell_1$. Write the equation of line $\ell_2$ in the form $y=mx +b$.

maximum Oct 24, 2023

0

23

1

+817

Inequality

I need help with this
Here is a summary of some inequality rules.
Fill in the blanks to complete the rules. (The first rule is already complete.)

You can add or subtract the same quantity from both sides. read more ..

maximum Oct 24, 2023

0

28

1

+1364

need help with rates

Five workers have been hired to complete a job. If one additional worker is hired, they could complete the job $15$ days earlier. If the job needs to be completed $40$ days earlier, how many additional workers should be hired?

sandwich Oct 24, 2023

0

46

1

+1364

rate question

Three runners, Dirk, Edith, and Foley all start at the same time for a $24$ km race, and each of them runs at a constant speed. When Dirk finishes the race, Edith is $10$ km behind, and Foley is $15$ km behind. When Edith finishes the race, how far read more ..

sandwich Oct 24, 2023

0

59

0

+1364

hard algebra

For a certain value of $k$, the system
\begin{align*}
x + y + 3z &= 10, \\
x - 2y + 8z &= 7, \\
kx + 5z &= 3<#> \end{align*}<#> has no solutions. What is this value of $k$?

sandwich Oct 24, 2023

0

31

1

+1364

help algebra

Ruth has a beaker containing a solution of $800$ mL of acid and $200$ mL of water. She thinks the solution is a little strong, so she drains $150$ mL from the beaker, adds $150$ mL of water, and stirs the solution. Ruth thinks the solution is read more ..

sandwich Oct 24, 2023

0

43

0

+1364

help percent

Our badminton team has finished $75\%$ of its season. So far, we have won $35\%$ of the games we played. What percent of the remainder of our games must we win in order to finish the season with the same number of wins as losses?

sandwich Oct 24, 2023

Oct 23, 2023

0

34

1

+8

help

Jamie conducted a survey on the food preferences of his friends at a school and discovered that 70% of his friends like pears, 75% like oranges, 80% like bananas and 85% like apples. What is the read more ..

fortniteman Oct 23, 2023

0

33

0

+8

Help

Carlos and Shirley, whose ages are integers, share 99 dollars in direct proportion to their ages. If the share were made inversely proportional to their ages, Carlos would get 9 more dollars. According to this, which of the following read more ..

fortniteman Oct 23, 2023

0

24

1

+4

please tell me where i went wrong

Seven distinct pieces of candy are to be distributed among three bags. The red bag and the blue bag must each receive at least one piece of candy; the white bag may remain empty. How many arrangements are possible?
so first I put one read more ..

caramellin Oct 23, 2023

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