All Questions ⁺⁰230662 Questions

0

551

5

can anyone imagine what happened?

can anyone imagine what happened to the online calculator? I always get this error when I ask for the result of this simple proportion.
thanks sonia

off-topic

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Guest Apr 21, 2020

0

332

0

help

Here is a quadrilateral.

Guest Apr 21, 2020

0

952

10

Reposted because the answer I got last time was incorrect and didn't explain how they got there.

(a) Compute the sum

read more ..

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Guest Apr 21, 2020

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294

0

help

In the diagram, AT = 2y and CT = y^2 + 1. What is the value of y?

Guest Apr 21, 2020

-1

524

1

+73

please help

The equation y = -16t^2 - 60t + 54 describes the height (in feet) of a ball thrown downward at 60 feet per second from a height of 54 feet from the ground, where t represents time, measured in seconds. In how many seconds will the ball hit the ground? Express read more ..

jellybeans207 Apr 21, 2020

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463

0

math

When asked, "Do kids regularly carry weapons in your school?" 14,251 students said yes, and 115,331 students said no. With a 95% level of confidence, find the margin of error (MOE) associated with the sample proportions. (Give the answer to one decimal read more ..

Guest Apr 21, 2020

0

372

2

why this proportion that until two days ago gave me a correct value of 1800 Billion now gives me error?

why this proportion that until two days ago gave me a correct value of 1800 Billion now gives me error?
36000000000:2=x:100

Guest Apr 21, 2020

0

331

0

please last one

Find sin(2x), cos(2x), and tan(2x) from the given information.
sec(x) = 4, x in Quadrant IV
sin(2x)=
read more ..

Guest Apr 21, 2020

0

640

2

plllllzzzz help

Use an Addition or Subtraction Formula to write the expression as a trigonometric function of one number.
sin(12°) cos(18°) + cos(12°) sin(18°)

Guest Apr 21, 2020

0

612

1

please final exam hlp

Write the augmented matrix (with no row operations) for the system of linear equations.

−x + z = −1
5y − 3z = 2 read more ..

Guest Apr 21, 2020

0

493

1

help me please quickly

Steve can fuel his compact car with either regular or premium gas. If Steve uses regular gas his car gets 27 miles per gallon, but if he uses the more expensive higher-octane premium gas his car gets 30 miles per gallon. Regular gas is currently $2.70 per read more ..

Guest Apr 21, 2020

0

527

2

Dabls

What is dabl 16

off-topic

Guest Apr 21, 2020

0

441

1

help

If p/q=q/r , then prove the given problem.

Guest Apr 21, 2020

-1

415

0

+89

help

Assume each triangle has the given measurements. Solve for the remaining sides and angles.

a. a = 5, b = 8, c = 9
read more ..

phoquee Apr 21, 2020

-1

393

0

+89

help - thank ya

Find the areas of the following triangles.

a. a = 3, b = 6, C = 35° read more ..

phoquee Apr 21, 2020

-1

489

0

+89

help

A janitor found a slice of pie left in a refrigerator he was cleaning. He measured the crust edge as 3 inches long, and the angle of the slice was 30°. Find the following and give your exact answers:

Radius and diameter of the original read more ..

phoquee Apr 21, 2020

-1

494

0

+89

help

A bird decided to ride on a water wheel to get a birdbath. The bird makes 7.5 revolutions every 3 minutes and is sitting 9.75 feet from the center of the water wheel. Find the following, and give your exact answers:

Angular displacement? read more ..

phoquee Apr 21, 2020

-1

434

0

+89

help

Suppose sinβ = − 1/4 , where 3π/2 < β < 2π. In what quadrant does the angle 2β lie?

phoquee Apr 21, 2020

-1

369

0

+89

help

What is the exact value of cosθ given sin(2θ) = − 3√3/ 10 and sinθ = 3 /5 ?

phoquee Apr 21, 2020

0

405

1

please answer the question in the photo provided

If tan x = 6/g and sin x = 6/h, what is the value of cos x?

Guest Apr 21, 2020

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