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MATH SOLVE
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Consider this system of linear equations:22x − y = -23 (equation 1)11x + 12y = 1 (equation 2)To find the value of x, you need to substitute in equation 2.The value of x is ?
General
2 months ago
Which of the following is an example of dependent events?A. Being born with blonde hair and getting struck by lightening.B. Getting in a car crash and owning a home.C. Rolling a 2 on a die and spinning a 4 on a spinner.D. Selecting a marble from a bag of 4 different colored marbles and then selecting a second marble without putting the first back.
General
2 months ago
Triangle ABC is shown on the graph. What are the coordinates of the image of point B after the triangle is rotated 270° about the origin? (4, 2) (2, 4) (–4, –2) (–2, –4)
General
2 months ago
The rule T1, -4 RO, 180°(x, y) is applied to rectangle KLMN. Which rectangle shows the final image? 1 2 3 4
General
2 months ago
What other information do you need to prove the triangles congruent using SAS
General
2 months ago
Which situation is modeled by the graph?A.) the height of a jump rope being used over timeB.) the height of an elevator over timeC.) the height of a commuter airplane over timeD.) the height of a hummingbird at a feeder
General
2 months ago
Which equation is a point-slope form of the equation of this line?
General
2 months ago
PLS HELP!!!Arlene is showing her work in simplifying −7.9 + 8.2 − 3.4 + 2.1. Identify any errors in her work or in her reasoning. Write feedback to Arlene explaining the mistake she made and how to correct her work.the way she did it wasStep Work Reasoning−7.9 + 8.2 − 3.4 + 2.1 Original problem1 −7.9 + 8.2 + (−3.4) + 2.1 Additive inverse2 −7.9 + (−3.4) + 8.2 + 2.1 Associative property3 (−7.9 + (−3.4)) + (8.2 + 2.1) Commutative property4 −11.3 + 10.3 Simplify5 −1 Simplify
General
2 months ago
Apollo 8 orbited the moon in a circular orbit. Its average altitude was 185 km above the moon's surface. Create an equation to model the path of Apollo 8 using the center of the moon as the origin. Note that the radius of the moon is 1,737 km.a. x^2+y^2=34,225b. x^2+y^2=2,408,704c. x^2+y^2=3,017,169d. x^2+y^2=3,694,084
General
2 months ago
For the following system, if you isolated x in the second equation to use the Substitution Method, what expression would you substitute into the first equation? (5 points) 3x + y = 8 −x − 2y = −10
General
2 months ago
How to find the sum of the forces in the y direction of an elevator?
General
2 months ago
The table shows the heights and weights of a few students in a class.Height (inches) Weight (pounds)58 12259 12860 12662 13363 14564 13666 14468 15070 152Complete the following sentences based on your observations.The data seems to have a correlation coefficient close to .This indicates that the weight of a student as the height of the student increases.NextReset
General
2 months ago
A 6.0−ft person weighs 167 lb. Express this person's height in meters and weight in kilograms (1 lb = 453.6 g; 1 m = 3.28 ft).
General
2 months ago
What is the number in standard form?6.14 × 10^−9
General
2 months ago
Use the conditional statement to answer the question.If an angle is a right angle, then the angle measures 90°.Are the statement and its contrapositive true?Both the statement and its contrapositive are false.The statement is true, but the contrapositive is false.The statement is false, but the contrapositive is true.Both the statement and its contrapositive are true.
General
2 months ago
There are 20 students in the cast and crew of the school play. any group of 7 or more of these students must contain at least 1 boy. what’s more, any group of size 15 must contain at least 1 girl. how many boys are working on the play?
General
2 months ago
What else would need to be congruent to show that JKL= MNO by AAS?
General
2 months ago
What is the process to correctly divide 58.19 by 2.74 without a calculator?
General
2 months ago
the bakery bought 4 bags of flour containing 3.5 kg each. 0.475 kg of flour is needed to make a batch of muffins, and 0.65 kg is needed to make a loaf of bread.if 4 batches of muffins and 5 loaves of bread are backed, how much flour will be left? give your answer in kilograms.
General
2 months ago
A car traveling at 32 m/s starts to decelerate steadily. It comes to a complete stop in 14 seconds. What is its acceleration?
General
2 months ago
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