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MATH SOLVE
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Choose all that give a correct first step to solve the system of equations by the elimination method. Equation A: 3x + 4y = 52 Equation B: 5x + y = 30 Multiply Equation B by ?4 Equation A: ?2x + 3y = ?1 Equation B: x + 5y = 25 Multiply Equation B by 2 Equation A: 2x + y = 2 Equation B: ?3x + 3y = 10 Multiply Equation A by 5 Equation A: 4x + y = 3 Equation B: 6x + 3y = 9 Multiply Equation A by ?3
General
2 months ago
Eight boys and seven girls showed up to one of the team's games. League rules limit each team to 10 players at a time (five girls and five boys) per game. Given this rule, how many combinations of 10 players are there among the 15 boys and girls who showed up at this particular game?
General
2 months ago
A company manufactures cell phones. In August, a random sample of 125 cell phones was inspected, and 3 phones were found to be defective. The company manufactured 8,000 cell phones in August. Based on the results from the sample, about how many cell phones are expected to be defective?
General
2 months ago
Evaluate this exponential expression 27/8^ 4/3 A. 9/2 B. 4/3 C. 81/16
General
2 months ago
Ivan is on a three-day hike. The hike is 60 miles long. If he walked 15 miles on the first day and 25 miles on the second day, how many miles does he have left to walk?
General
2 months ago
Determine if x + 3 is a factor of -3[tex]x^{3}[/tex]+6[tex]x^{2}[/tex]+6x+9. How do you know? no, because the remainder is 126yes, because the remainder is 126no, because the remainder is –108yes, because the remainder is –108
General
2 months ago
Will give Brainliest!!!!There are 25 Horses.What is the minimum number of races needed so you can identify the fastest 3 Horses? You can race up to 5 Horses at a time, but you do not have to watch.
General
2 months ago
What is the inverse of f(x)=x^2 - 2
General
2 months ago
help please 100 points
General
2 months ago
Which three-dimensional figure is formed by the rotation given? First picture is the rotation, and the rest are the answer choices.
General
2 months ago
Stacy rolls a pair of six-sided fair dice.The probability that the sum of the numbers rolled is either a multiple of 3 or an even number is, and the two events are exclusive.
General
2 months ago
A hummingbird lives in a nest that is 3 meters high in a tree. The hummingbird flies 5 meters to get from the nest to a flower on the ground. How far is the flower from the base of the tree
General
2 months ago
The shortest side of an isosceles triangle is 26 cm less than twice as long as the other sides. The perimeter of the triangle is 70 cm. Find the lengths of the three sides and list them in ascending order.
General
2 months ago
If a rectangle's length is y−2 and the width is 3y+2 write an expression for the perimeter and an expression for the area.
General
2 months ago
Which problem could be solved with the expression 3(5-2)-1?CHOOSE 1 ANSWER:A.) Ralph's problem B.) Stephanie's problem C.) Orlando' problemKinda need help on this one!!
General
2 months ago
MAJOORRRR HELPPPP!!!A scientist running an experiment starts with 100 bacteria cells. These bacteria double their population every 15 hours. Find how long it takes for the bacteria cells to increase to 300. Use the formula , where is the original number of bacteria cells, is the number after t hours, and d is the time taken to double the number.It takes hours for the number of bacteria to increase to 300.
General
2 months ago
If a rectangle's length is 2t+1and the width is t-3 write an expression for the perimeter and an expression for the area.
General
2 months ago
Two angles of a triangle have the same measure and the third one is 3 degrees greater than the measure of each of the other two. Find the measure of the LARGEST angle in the triangle.The LARGEST angle has a measure of ___ degrees.
General
2 months ago
A city park commission received a donation of playground equipment from a parents' organization. The area of the playground needs to be 256 square yards for the children to use it safely. The playground will be rectangular. The city will also put a fence around the playground. The perimeter, P, of the fence includes the gates. To save money, the city wants the least perimeter of fencing for the area of 256 square yards. With one side 8 yards longer than the other side, what are the side lengths for the least perimeter of fencing?
General
2 months ago
A man received 7 per cent interest on a loan of $800 for one year. How much interest did he receive? A.) $56 B.) $560 C.) $780 D.) $870 D.) None of these
General
2 months ago
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