Solve 5x + 1 = 2x2 + 9x. Which are steps in the process of completing the square used to solve the equation? ANSWER CHOICES1 = 2(x2 + 2x) 1 = 2x2 + 4x2 = 2(x2 + 2x + 1)3 = 2(x + 1)22 = 2(x + 1)2 Question solved general 4 months ago 9446
The data in the table represents the average number of daylight hours each month in Springfield in 2015, rounded to the nearest quarter. Jan 9.5Feb 10.5March 12April 13.25May 14.5June 15July 14.75Aug 13.75Sept 12.5Oct 11Nov 9.75Dec 9.25Write the equation that best models the data.What is the expected number of daylight hours in March 2020? Explain. Question solved general 4 months ago 9279
How did early mathematicians define trigonometric functions? Question solved general 4 months ago 5407
Which statement justifies that angle XAB is congruent to angle ABC?A. Corresponding angles of parallel lines cut by a transversal are congruent. B. Vertical angles are congruent. C. Same-side interior angles of parallel lines cut by a transversal are supplementary. D. Alternate interior angles of parallel lines cut by a transversal are congruent.Given: m || CBProve: m∠ABC + m∠BAC + m∠ACB = 180° Question solved general 4 months ago 7307
I really need help with these questions.. Even if you can only answer one anything helps! Will give points and mark for smartest 1. Evaluate the determinant for the following matrix: Below is all in one Bracket -4 -4 -33 3 -5-5 2 -5Answer Choices A. –152 B. –203 C. 75 D. –263 2. Complete the multiplication: AB. All sets of numbers are within a bracket. A = 3 0 B= 2 8 2 -1 6 3A. 6 0 1.2 -3B. 6 24 3.4 5C. 22 -8 7.8 -3D. 6 24 3.4 133. Is in the 1st Picture4.Use Gauss-Jordan elimination to solve the following linear system:–3x + 4y = –65x – y = 10 A. (–6,2) B. (2,–5) C. (2,2) D. (2,0) 5. If you were to use Gauss-Jordan elimination on the following linear system, what would the augmented matrix be? [ you can refer to second picture for 4 multiple choice answers ]3w − x = 2y + z − 49x − y + z = 104w + 3y − z = 712x + 17 = 2y − z + 6 6. Refer to 3rd photo Question solved general 4 months ago 4576
16x-10y=10-8x-6y=6can someone help me understand this question? Question solved general 4 months ago 1972
Which rule describes the composition of transformations that maps figure ABCDE to figure A"B"C'D"E"? Question solved general 4 months ago 4652
f(x) = 2x2 – 4x – 30 = 2x2 – 4x – 33 = 2(x2 – 2x)3 + 1 = 2(x2 – 2x + 1)4 = 2(x – 1)22 = (x – 1)2± = x – 11 ± = x Mica is solving for the zeros of a quadratic function by completing the square. Her work is shown. What error did Mica make?ANSWER CHOICESMica should have set each x = 0 instead of f(x).Mica should have added 2 to 3 instead of 1.Mica should have multiplied both sides by 2 instead of dividing.Mica should have subtracted 1 from both sides instead of adding. Question solved general 4 months ago 6113
Use completing the square to solve for x in the equation (x-12)(x+4)=9. a. x = –1 or 15 b. x = 1 or 7 c. x=4+√41 d. x=4+√73 Question solved general 4 months ago 7409
Sharon is rowing a boat upstream. The river is flowing at a speed of 3 miles per hour. Sharon starts rowing at a speed of 8 miles per hour, but as she gets tired her speed decreases (at a rate of 1.5 miles per hour, every hour). Graph the equation that fits the description, where y represents Sharon's speed and x represents the time elapsed since the start of her workout. Question solved general 4 months ago 6192
Evaluate the determinant for the following matrix: -4 -4 -3 3 3 -5 -5 2 -5 A. –203 B. 75 C. –152 D. –263 Question solved general 4 months ago 9371
∠1 and ∠2 are vertical angles. ∠2 has a measure of 63°. What is the measure of ∠1 ?Enter your answer in the box. Question solved general 4 months ago 2928
A bathroom is shaped like a pentagon. A handyman wants to know if a corner shelf with an 80° angle will fit into the corner marked on the diagram. The sum of the angles in a pentagon is 540°. Which statement is correct?A. The shelf angle is too big because the corner is less than 80°.B. The shelf angle is too small because the corner is more than 80°.C. The shelf will fit exactly because the corner is 80°.D. It cannot be determined if the shelf will fit in that corner. Question solved general 4 months ago 9047
Given below are lease terms at the local dealership. What is the total cash due at signing? Terms: Length of lease = 24 months MSRP of the car = $29,500 Purchase value of the car after lease = $19,500 Down payment = $3300 Monthly payment = $475 Security deposit = $475 Acquisition fee = $500 Question solved general 4 months ago 9343
Which two equations would be most appropriately solved by using the zero product property?Select EACH correct answer.Which two equations would be most appropriately solved by using the quadratic formula?Select EACH correct answer. Question solved general 4 months ago 3220
A chef uses a recipe with the following ingredients. Then the chef decides to make more than 1 batch of the recipe. Fruit Cups Used Apples 3 Mangoes 1 Blueberries 2 Blackberries 1 If a total of 16 cups of apples and blackberries are used, how many batches of the recipe did the chef make? 2 batches 4 batches 6 batches 8 batches Question solved general 4 months ago 3219
Calling Genius Mathematicians!!!!!! Please Help!!!!!!! 7 and 8!!!!!! Question solved general 4 months ago 3301
Jake forgot to replace the cap on a bottle of deodorant. The deodorant began to evaporate at the rate of 12% per day. If the original amount of deodorant in the bottle was 30 grams, which of the following graphs best represents the amount of deodorant f(x) that would remain in the bottle after x days? graph of function f of x equals 30 multiplied by 0.88 to the power of x graph of exponential function going down from left to right in quadrant 1 through the point 0, 40 and approaching the x axis graph of function f of x equals 50 multiplied by 0.82 to the power of x graph of exponential function going down from left to right in quadrant 1 through the point 0, 4 and approaching the x axis Question solved general 4 months ago 9746