QuestionMachine

55 Questions
23 Answers

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302

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Help Please

As shown below, 7 circular pegs of the same radius are bundled together so that they are tangent to one another, and a string is wrapped around the outside. If the pegs' radii are all increased by 2 inches, how much longer would the read more ..

QuestionMachine Mar 5, 2022

0

476

1

+195

Help! I'm confused

Trapezoid $ABCD$ is inscribed in the semicircle with diameter $\overline{AB}$, as shown below. If $CD = 7$, $AD = 3$, and $BC = 3$, then find the radius of the semicircle.
read more ..

QuestionMachine Sep 7, 2021

0

505

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+195

Holp

In triangle $ABC$, $AB = AC$. Point $P$ lies on $\overline{AB}$ such that $CP = BC$. If $\angle APC = 115^\circ$, what is $\angle ACP$ (in degrees)?

QuestionMachine Jul 1, 2021

0

555

2

+195

Got problems

1. If $a$ and $b$ must be nonnegative integers, what is the largest integer $n$ such that $13a + 18b = n$ has no solutions?
2. If $a$ and $b$ must be positive integers, what is the largest integer $n$ such that $13a + 18b = n$ has no solutions? read more ..

QuestionMachine Jun 30, 2021

0

487

5

+195

Help

1.Among all fractions $x$ that have a positive integer numerator and denominator and satisfy $$\frac{9}{11} \le x \le \frac{11}{13},$$ which fraction has the smallest denominator?

2.
What is the largest 4-digit number read more ..

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QuestionMachine Jun 22, 2021

0

620

1

+195

HELP

How many different prime numbers divide evenly into $40^4-9^4$?

QuestionMachine Jun 22, 2021

0

481

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plz help

Assume that $f(3) = 4$. Name a point that must be on the graph of $y=f(x)+4$.

ElectricPavlov ●

QuestionMachine Mar 1, 2021

0

449

1

+195

Halp

Below is a portion of the graph of a function, $y=u(x)$:

What is the exact value of $u(-2.72)+u(-0.81)+u(0.81)+u(2.72)$ ?
<read more ..

QuestionMachine Mar 1, 2021

0

793

1

+195

The graph of $y = f(x)$ is shown below, in red. Find the equation that corresponds to the blue graph.

The graph of $y = f(x)$ is shown below, in red. Find the equation that corresponds to the blue graph.

Enter your answer in the form read more ..

QuestionMachine Mar 1, 2021

0

444

2

+195

Help

The graph of $y = f(x)$ is shown below, in red. Find the equation that corresponds to the blue graph.

Enter your answer in the form read more ..

QuestionMachine Mar 1, 2021

0

453

3

+195

Sorry about this

The graph of $y = h(x)$ is shown in red below. Compute $h(h(7))$.

(Assume grid lines are spaced 1 unit apart.)

QuestionMachine Mar 1, 2021

0

486

2

+195

More help

The graph of $y=f(x)$ is shown below in red. For which $x$ value does $f(x) = 4$?

(Assume grid lines are spaced 1 unit apart.)
<read more ..

QuestionMachine Mar 1, 2021

0

478

3

+195

Help

The graph of $y=f(x)$ is shown in red below. Find
(Assume grid lines are spaced 1 unit apart.)

QuestionMachine Mar 1, 2021

+195

+1

I actually got 2/9😎

QuestionMachineMar 1, 2021

+195

+1

Thank you

QuestionMachineMar 1, 2021

+195

0

that is wrong

QuestionMachineFeb 28, 2021

+195

+1

Thank you but that is wrong

QuestionMachineFeb 21, 2021

+195

+2

Thanks Cubey

QuestionMachineFeb 20, 2021

+195

0

Thanks though I already solved it...

QuestionMachineFeb 15, 2021

+195

0

Thank you

QuestionMachineFeb 15, 2021

+195

0

This website is for math questions not invites to make freinds on google meet.

QuestionMachineFeb 15, 2021

+195

0

Do you mean How much water must be evaporated from 32 ounces of 4% salt solution to make a 6% salt solution?

QuestionMachineFeb 13, 2021

+195

+2

Thanks

QuestionMachineFeb 13, 2021