02/17/20

Use the discriminant to describe the number of x-intercepts of f(x)=−2x^2−2x−3
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02/17/20

If G(x) = x^2 − 3x + 3, find G'(a) and use it to find equations of the tangent lines to the curve y = x^2 − 3x + 3 at the points (0, 3) and (2,1).
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02/17/20

Help please. Line segment AB¯¯¯¯¯¯¯¯ has endpoints A(−2,6) and B(4,−6). What are the coordinates of the point that partitions BA¯¯¯¯¯¯¯¯ according to the part-to-part ratio 2:4?
Help pleae. geometry
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02/17/20

i really need help i need take this exam for today
Line segment BA¯¯¯¯¯¯¯¯ has endpoints B(−6,0) and A(4,5). What are the coordinates of the point located 3/5 of the way from point A to point B? Enter your answer as an ordered pair, formatted like... more
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02/17/20

Line segment BA¯¯¯¯¯¯¯¯ has endpoints B(−6,0) and A(4,5). What are the coordinates of the point located 35 of the way from point A to point B?
HELP PLEASE...............
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02/17/20

AB¯¯¯¯¯¯¯¯ has endpoints A and B, with point A at (6,5). AB¯¯¯¯¯¯¯¯ has midpoint M at (4,6). What are the coordinates of point B?
HELP PLEASE I NEED TAKE THIS EXAM
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02/15/20

Algebra question
David gets half as many emails a day as Nicky. Together they have 148 emails for today. How many emails did Nicky receive and how many did David receive?
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02/15/20

A plane flies 220 miles in an hour with the jet stream. The return flight against the jet stream to the the original hangar takes 2 hours.
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02/15/20

Dimensional Analysis Problem Help
A recipe for making creamy pasta sauce calls for 0.750 liters of cream. Your measuring cup only measures in cups. How many cups of cream should you use?
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02/14/20

Divide: (sqrt(5) + 3) / (sqrt(5) - 3)
Divide by multiplying the denominator by its conjugate, then simplify. If your answer doesn't match any of these answers, see how you can rewrite your expression to equal one of these. Divide:... more
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02/14/20

Recall that two angles are complementary if the sum of their measures is​ 90°. Find the measures of two complementary angles if one angle is five times the other angle.
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02/14/20

Show that the equation represents a circle by rewriting it in standard form. Then find the center and radius of the circle.
Show that the equation represents a circle by rewriting it in standard form.4x2 + 4y2 − 5x = 0= ???Find the center and radius of the circle.(x,y)= (?,?)r= ?
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02/14/20

The rectangle shown has a perimeter of 80 cm and the given area. Its length is 4 more than three times its width. Write and solve a system of equations to find the dimensions of the rectangle.
I would like to know the length and width of the rectangle. The area is 279cm2. (2 is supposed to be an exponent) Please help!
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02/13/20

polynomials equations
Write a polynomial function  of least degree that has a leading coefficient of 1 and the given zeros. Write the function in standard form. -2,3.6
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02/13/20

Algebra word problem
Jim began a 206​-mile bicycle trip to build up stamina for a triathlon competition.​ Unfortunately, his bicycle chain​ broke, so he finished the trip walking. The whole trip took 6 hours. If Jim... more
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02/12/20

Algebra homework

Jane needs to make 10 liters of a solution that is 10% salt. She has a solution that is 5% salt and a solution that is 25% salt. How much of each solutions should Jane use. A. 4 liters of the 5%... more
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02/12/20

How do i solve this question? what equation am i using
The demand curve for a product is p=60 - 0.0005q where p is the price per unit and q is the quantity demanded. How many units must be sold to achieve sales of 1200000?
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02/12/20

Math: Systems by Elimination
The sum of 5 times the width of a rectangle and twice its length is 26 units. The difference of 15 times the width and three times the length is 6 units. Write and solve a system of equations to... more
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02/12/20

2/8 of the marbles in a boblx are blue....
2/8 of the marbles in a box are blue. There are 24 more red marbles than blue marbles in the box. The remaining 32 marbles are yellow. How many red marbles are in the box?
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02/11/20

Find the area of the region bounded by the graphs of y = x, y = 4 - 3x, and x = 0.

Question options: 1) 0.375 2)  2 3)  4 4)  None of these
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02/11/20

Find the exact value of sin15° by using a sum or difference formula.
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02/11/20

probability marble question
You are given an urn with 40 red marbles and 60 black marbles. You sample a single marble from the urn 25 times with replacement. What is the probability of drawing 13 or more black marbles?
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02/10/20

The length of each of the of the third side is 2x. Its perimeter is 36 centimeters. Draw and label this triangle. Write an equation that could be used to find the value of x. Solve for x and then
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02/10/20

Karen prepared 9 kilograms of dough after working 3 hours. How many hours did Karen work if she prepared 12 kilograms of dough?
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02/10/20

Of the balloons in the bunch of 100 there are 28 that are red. What part of the balloons are red balloons?

Of the balloons in the bunch of 100 there are 28 that are red. What part of the balloons are red balloons? Give as fraction.
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