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In a second grade class containing 13 girls and 9 boys, 2 students are selected at random to give out the math papers. What is the probability that the second student chosen is a boy, given that the first one was a girl?
General
2 months ago
A solid right pyramid has a square base with an edge length of x cm and a height of y cm. Which expression represents the volume of the pyramid? xy cm3 x2y cm3 xy2 cm3 x2y cm3
General
2 months ago
Using your answers from parts b and c, what are the ages of the brother and sister, respectively?
General
2 months ago
The polynomial −2x3 − x2 + 13x in the last line is the result of subtracting 3x4 + 9x3 + 3x2 from the dividend and bringing down 13x .Complete the division. The quotient is 3x2 + _____????x + ______????
General
2 months ago
The cell i4, enter a formula to calculate the projected second quarter. enter a formula to multiply the first quarter value by 1 plus the projected increase.
General
2 months ago
Olivia bought a $1,874 sprinkler system with her credit card. her credit card has an apr of 10.31%, compounded monthly. she made no other purchases on the card until the sprinkler system was fully paid for, which took four years of identical monthly payments. over the eight years that olivia kept the sprinkler system, it used an average of $2.11 in water per week. after eight years, what percentage of the total lifetime cost of the system did the original price make up? (round all dollar values to the nearest cent.)a. 81.66%b. 59.07%c. 38.25%d. 72.33%
General
2 months ago
Julio invested $2,000 in a simple interest account for 3 years.She had earned $150 in interest by the end. What is the simple interest rate of the account?
General
2 months ago
PLEASE HELP FOR BRAINIEST ASAP!!Draw two isosceles triangles, ∆ABC and ∆ADC with common base AC. Vertexes B and D are in the opposite semi-planes determined by AC. Draw the line segment BD. Prove: AC ⊥ BD.
General
2 months ago
Which equations support the fact that rational numbers are closed under addition? Select each correct answer. 3√5+√5=4√5√10+(-√10)=01/2 +0.5=13√16 + 3√16=6√16
General
2 months ago
For every 9 minutes of music Shawn listens to, Greg listens to 4 minutes of music. How many times more minutes of music does Shawn listen to than Greg?
General
2 months ago
what is the value of log625^5? A: -4 B:-1/4 C:1/4 D:4
General
2 months ago
A chain fits tightly around two gears as shown. What is the radius of the smaller gear? Round your answer to the nearest tenth. 4.8 in.23.2 in.14.0 in.9.2 in.
General
2 months ago
Consider the equation log(3x - 1) = log28. Explain why 3x - 1 is not equal to 8. Describe the steps you would take to solve the equation, and state what 3x - 1 is equal to
General
2 months ago
Consider the sequence of steps to solve the equation: 5(x - 3) = 7x 2 Step 1 ⇒ 10(x - 3) = 7x Step 2 ⇒ 10x - 30 = 7x Step 3 ⇒ 3x - 30 = 0 Step 4 ⇒ 3x = 30 Step 5 ⇒ x = 10 Identify the property of equality which yields Step 3.
General
2 months ago
A dishwasher salesman whose base pay plus commissions amount to $30,605 last year earned a commission of 12.5% on each dishwasher sold. If each dishwasher he sold cost $1100 and if his base pay was $28,680, how much dishwashers did the salesman sell last year?A. 13B. 12C. 11D. 14
General
2 months ago
Check all of the possible first steps in factoring a polynomial with four terms.1.factor out a GCF2.factor the difference of cubes3.factor a sum of cubes4.factor a difference of squares5.factor a perfect-square trinomial6.factor by grouping
General
2 months ago
Calculate (a) the total installment price, (b) the carrying charges, and (c) the number of months needed to save the money at the monthly rate to buy the item below for its cash price (remember to round up). A bicycle with a cash price of $500, offered on the installment plan for $28 per month for 24 months. a. $ a0 b. $ a1 c. a2
General
2 months ago
Atrap and Bracken are two rival insurance companies. Atrap and Bracken have premiums of $150 and $100 and deductibles of $2,500 and $3,500 respectively. The average expense of surgery is $25,000. For Bracken to break even (suffer no loss and earn no profit) over the passage of 3 years, about how many people among the 1,000 insured people can file a claim for a surgical procedure?a -10b- 14c- 16d- 17e- 20
General
2 months ago
In a random sample of 70 people, it was found that 44 of them were fans of the New York Yankees. What is the margin of error for the true proportion of all individuals who are fans of the New York Yankees?
General
2 months ago
WILL MARK BRAINLIESTA function is represented by the graph. Complete the statement by selecting from the drop-down menu.The y-intercept of the function y=3x+2 is the y-intercept of the function represented in the graph.
General
2 months ago
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