05/16/18

Verify the identity. sin quantity x plus pi divided by two = cos x
Precalculus
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05/16/18

in how many ways can i assign officers
there are 15 police officers at a station. i decide to send 8 on patrol, 4 to control road traffic and the rest at the office
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05/16/18

The number of people watching a football match was 7200. correct to the nearest hundred. Complete the inequality in the answer space
Having a bit of a problem with this problem. Trying to re work on my math
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05/16/18

Why do we assume Normal distribution in statistics?
The heights of a certain type of tree can be assumed to follow a normal distribution. How comes on cannot say, the heights follow a normal distribution? Why should we make the assumption?
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05/15/18

Find the missing number
X  3 4 7 3x-1 8 .  20
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05/15/18

Find the length of missing leg
One leg of a right triangle is 4cm shorter than the other leg . The length of the hypotenuse is 20cm find the length of the shorter leg
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05/15/18

solve this equation
H/3-7=-12
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05/15/18

an ice cream factory makes 350 quarts of ice cream in 10 hours.How many quarts could be made in 48 hours?what was that rate per day?
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05/15/18

Find the equation of the axis of symmetry and the coordinates of the vertex of the graph of the function y = 4x2 – 8x – 3.
my question is Find the equation of the axis of symmetry and the coordinates of the vertex of the graph of the function y = 4x2 – 8x – 3. i really need help with this question  
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05/15/18

if i have ten flavors how many possible different flavor blends are there.
need work cant figure it out
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05/15/18

A triangle has 90° angles and a side of 12 centimeters
can it form it triangle? 
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05/15/18

What is the probability of selecting a heart or ace from a standard deck of cards?
A standard deck of cards contains 52 cards divided evenly into four suits. The suits are hearts and diamonds which are red and clubs and spades which are black. Each suit is composed of cards... more
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05/15/18

The are of a rectangular is 55 yd^2, and the length of the rectangle isis 4 yd less than three times the width. Find the dimensions of the rectangle .
Please include the length and the width in the answer thank you
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05/15/18

Given: segment BD bisects angle ABC. prove: segment BD is the altitude
I have an isosceles triangle and I have the given which is segment BD bisects angle ABC. I have to prove segment BD is the altitude. How do I prove that???
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05/15/18

A theater wants to build movable steps. The measurements are 12 in, 16 in, 20 in, 8 in, and 6 in. How much space is inside the steps?
This is for Khan Academy.
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05/15/18

A rectangular certificate has an area of 45 square inches. Its perimeter is 28 inches. What are the dimensions of the certificate?
A rectangular certificate has an area of 45 square inches. Its perimeter is 28 inches. What are the dimensions of the certificate?
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05/15/18

Where is the opposite of −10 located on a number line? A) to the left of 0 B) to the right of 0 C) to the right of 12 D) to the left of −10

 please help me i need asap hellllllp
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05/15/18

which of the following is not an identity for tan (x/2)
math problem that involves identities of tan sin and cosine
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05/15/18

For the polynomial function ƒ(x) = −2x4 + 8x2 − 8, find all local and global extrema.
please answer
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05/15/18

If Cos 21=m, determine without the use of calculators, the value of the following in terms of m: I) tan 21 and 2) sin66
Solve for tan 21 and sin 66
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05/15/18

fint the sum of the geometric serie
a1=,r=2,and n=8
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05/15/18

How to write y=4x-10÷×-2 in the form of y=a÷x-2+q
Hyperbola formular
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05/15/18

Use a piece of paper to create an augmented matrix to represent this linear system. 3x - 4y = 12 2x - 8y = 16
Use a piece of paper to create an augmented matrix to represent this linear system.3x - 4y = 122x - 8y = 16
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05/14/18

Probability again
I dont’ quite understand how to go at this one, I feel like ther’s Not enough info in the question!  Any help is greatly appreciated.  According to the U.S. National Center for Health Statistics,... more
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05/14/18

Renee’s favorite flavor is grape. She decides that she wants 2 pieces of grape candy she randomly choses 2 pieces (without replacement) find p (grape and grape)
I need help answers explination
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