A test is worth 100 points. The test is made up of 40 items. Each item is worth either 2 points or 3 points. Which matrix equation and solution represent the situation? Question solved general 11 months ago 1469
Which of the following are examples of centripetal acceleration? Check all that apply. A. A car moving down a straight road B. A ball dropped from a second-floor window C. A girl running around a track D. A tetherball swinging around its pole CAN BE MORE THAN ONE ANSWER (BEST ANSWER GET BRAINLEIST) Question solved general 11 months ago 7675
A student measures the angle of elevation of a cloud to be 65° at point A. Then the student moves 100 feet in the direction of the cloud and takes a second observation at point B. At point B the elevation is 75. Using this information find the height, to the nearest foot, of the cloud directly above the ground. Question solved general 11 months ago 6039
△PQR is reflected to form △P′Q′R′ . The vertices of △PQR are P(1,1) , Q(−1,−2) , and R(4,−2) . The vertices of △P′Q′R′ are P′(−1,1) , Q′(1,−2) , and R′(−4,−2) . Which reflection results in the transformation of △PQR to △P′Q′R′ ? reflection across the x-axis reflection across the y-axis reflection across y = x reflection across y=−x Question solved general 11 months ago 1084
A forest ranger wants to install a 1,500 CFM (cubic feet per minute) fan. A ranger station consists of a rectangular prism and a rectangular pyramid. The base of the pyramid and prism is 10 ft by 8 ft. The height of the pyramid is 3 ft and the height of the prism is 8 ft. The ranger station requires one CFM per ft2. Will the fan provide enough airflow for the ranger station? Why or why not? Question solved general 11 months ago 1790
Sara is completing the square to find the maximum or minimum value of the function f(x) = (2 - x) (5 + x). What is the first step that Sara must take? Does the function have a maximum or minimum value? What is that value?A)multiply the binomials; maximum value; 49/4B)multiply the binomials; minimum value; 49/4C)set each factor equal to zero and solve for x; minimum value; −2/5D)set each factor equal to zero and solve for x; maximum value; −7/2 Question solved general 11 months ago 4264
Help PlzJohn and Sara each bought the same type of pen and notebook in the school bookstore, which does not charge sales tax. John paid $5.55 for two pens and three notebooks, and Sara paid $3.50 for one pen and two notebooks. How much does the school bookstore charge for one notebook?SHOW WORK Question solved general 11 months ago 3149
∠1 and ∠2 are a linear pair, and ∠2 and ∠3 are vertical angles. m∠1=(5y−8)∘ and m∠2=(12+6y)∘ . What is m∠3 ? A.16° B.72° C.108° D.132° Question solved general 11 months ago 4913
If mCD= 118°, and AB = 66°, what is m∠CED? 90° 92° 66° 52° Question solved general 11 months ago 2350
A gardener wants to create a rectangular vegetable garden in a backyard. She wants it to have a total area of 120 square feet, and it should be 12 feet longer than it is wide. What dimensions should she use for the vegetable garden? Round to the nearest hundredth of a foot. Question solved general 11 months ago 4503
TRUE OR FALSE: let f(x)=tan^-1x. then the domain of f(x) is all real numbers and the range is [0, pi] Question solved general 11 months ago 2397
A plane cuts through a cone parallel to its base. What shape is formed by this intersection? A) circle B) ellipse C) hyperbola D) parabola Question solved general 11 months ago 1506
Ryan was 8 when his parents invested $4000 in a certificate of deposit that pays 6%. If Ryan leaves the account alone until the investment doubles, how old will he be? (Assume that the interest is not compounded. Question solved general 11 months ago 1625
Given the function f(x)=x^4+10x^3+35x^2+50x+24 , factor completely. Show all work and steps. Then sketch the graph. Question solved general 11 months ago 5345
HELP PLEASE HELP I BEG YOU lolMr. Ortiz used similar triangles to make a design. Which statement about the triangles in the design must be true? A They are the same size and shape. B They are the same size but different shapes. C They have corresponding angles that are congruent D They have corresponding sides that are congruent.A pilot takes a taxi from the airport to a hotel. The taxi driver charges a $2.50 initial charge plus $2.65 per mile. Which equation can be used to find y, the total cost of the trip, ifx represents the number of miles of the trip?Double click here to edit, then replace this text with your own question A y = 2.50x + 2.65 B y = 2.65(x + 2.50) C y = 2.65x – 2.50 D y = 2.65x + 2.50Which situation can be represented by this inequality?1.25x – 6.50 > 50 A Stefan spends $6.50 on supplies for a lemonade stand and sells each cup of lemonade for $1.25. What is x, the number of cups of lemonade Stefan must sell to earn a profit of more than $50? B Stefan has a balance of $6.50 in his savings account and deposits $1.25 each week. What is x, the number of weeks Stefan must deposit $1.25 in order to have a balance of more than $50 in his savings account? C Stefan earns 1.25% interest on the balance in his checking account and has to pay a monthly charge of $6.50. What is x, the balance that Stefan must have in his checking account in order to have an ending balance greater than $50 after interest and fees? D Stefan charges $1.25 for gasoline plus $6.50 per hour for mowing lawns. What is x, the number of hours he has to mow lawns to earn more than $50? Question solved general 11 months ago 2283
the hypotenuse of a right triangle is 25 cm and the shorter leg is 15cm find the length of the other leg Question solved general 11 months ago 6781