11/29/22

Mariana wants to put 634 feet of border across the top of a wall. She has 367 feet of border. What fraction of the project can she complete? Enter your answer in the boxes.
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11/29/22

Probability tree
Use a probability tree to find the probabilities of the indicated outcomes.An urn contains 7 red, 8 white, and 9 black balls. One ball is drawn from the urn, it is not replaced, and a second ball... more
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11/29/22

pls help me i cant understand

jamell made a scale drawing of his school the school yard is 13 millimeter long in the drawing .the actual school yard is 65 meters long what is the scale of the drawing
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11/29/22

Find a polynomial f(x) of degree 4 with real coefficients and the following zeros.
2, -4, 2-i
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11/29/22

Variations and radicals

if y varies inversely as the square of x, and y = 11/4 when x = 4, find y when x = 2.
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11/29/22

The sum of three numbers is 86. The first number is 10 less than the second. The third number is 2 times the first. What are the numbers
The sum of three numbers is 86. The first number is 10 less than the second. The third number is 2 times the first. What are the numbers
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11/28/22

Write each rate as a fraction in lowest terms
25 feet in 30 seconds
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11/28/22

Find the value of the investment after 11 years.
A person invests $7000 at 2% interest compounded annually for 4 years and then invests the balance (the $7000 plus the interest earned) in an account at 5% interest for 7 years. Find the value of... more
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11/28/22

An unknown radioactive element decays into non-radioactive substances. In 680 days the radioactivity of a sample decreases by 64 percent.
(a) What is the half-life of the element?half-life:    (days)(b) How long will it take for a sample of 100 mg to decay to 75 mg?time needed:    (days)
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11/28/22

Parallel/Perpendicular Through Point
What is an equation of the line that passes through the point (-5,2)(−5,2) and is parallel to the line 4x-5y=54x−5y=5?
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11/28/22

What is an expression that is equivalent to 2.5x + (-5y) - 2.5.
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11/28/22

An unknown radioactive element decays into non-radioactive substances. In 420 days the radioactivity of a sample decreases by 62 percent.
(a) What is the half-life of the element?half-life:    (days)(b) How long will it take for a sample of 100 mg to decay to 80 mg?time needed: 
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11/28/22

Math: Fraction Slope problems. (2 questions.)
how would you solve -1/3y+4x=3? I'm confused but I know the basics it's just that I haven't learned how to do the fractions yet. -X/3+4 Can someone explain both problems and how to solve them and... more
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11/28/22

Jack is 53 3/4 inches tall. Kristen is 1 3/8 inches taller than Jack and Jane is 1 1/5 inches taller than Kristen. How tall is Jane?
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11/28/22

Yesterday, John had n baseball cards. Today, he gave 14 away. Using , write an expression for the number of cards John has left.

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11/28/22

Can someone please help me?! I keep trying to solve it but I keep getting the wrong answer
I've been trying to solve this math problem for over 45 minutes. I had this math problem last week and I skipped it. I asked on here but no one answered. I thought that if I came back to it I'd... more
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11/28/22

{(3,2) (4,9) (3,-4) (2,9)}

Is this a function?
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11/28/22

Mathematics question

How to solve (2 + √5x-1)2 ? (Please show steps)
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11/28/22

Nancy had 1/3 as much money as Ben. Lucy had $20 more than ben. THey had $132 altogether. How much did eath of them have?
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11/28/22

Advanced statistics
A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 97.1-cm and a standard deviation of 1.8-cm. For shipment, 25 steel rods are bundled... more
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11/28/22

What are the coordinates of the point on the directed line segment from (- 2, - 4) to (5, 3) that partitions the segment into a ratio of 5 to 2?
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11/28/22

The product of a number and nine less than a number is 10 find the number
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11/28/22

ax earns $9 per hour . this week he's hoping to earn at least $200 how many hours would he need to work
ax earns $9 per hour . this week he's hoping to earn at least $200 how many hours would he need to work
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11/27/22

Find all solutions of the equation in the interval [0, 2𝜋). (there are seven questions)
sin(x)=-1/2 sec(x)=sqrt2 3sin(x)+sqrt3=sin(x) tan2(x) − 1 = 0 sin2(x) + cos(x) + 1 = 0 ur the best thanks!
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11/27/22

Math help required

y is 6 less than the quotient of x and 4. What are 2 points that could be plotted on the coordinate grid?
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