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6. A balloon has a circumference of 16 cm. Use the circumference to approximate the surface area of the balloon to the nearest square centimeter. 804cm2 326cm2 256cm2 O81cm2
Algebra
7 months ago
Janelle subtracts -4 from a number. The result is 2. What is the number? -6 -2 2 6
Algebra
7 months ago
2. The force of attraction, F of a body varies directly as its mass m and inversely as the square of the distance d from the body. When m=8 kilograms and d=5 meters, F=100 Newtons. a. What type of variation represents the problem? b. What is the constant of variation? c. What is the equation of the variation? d. Find F when m=2 kilograms and d=15 meters.
Algebra
7 months ago
Lines a and b are parallel lines cut by transversal f. If mangle 1=110 ° , what is mangle 4 ? 20 ° 70 ° 110 ° 130 °
Geometry
7 months ago
In parallelogram ABCD, what is DC? 3 in. 9 in. 13 in. 19 in.
Geometry
7 months ago
The formula to convert "F to ° C is C= 5/9 F-32. Convert 50 ° C to ° F. 10 ° F 20 ° F 122 ° F 132 ° F
Algebra
7 months ago
Formula Sheet A mountaineer climbed 1,000 feet at a rate of x feet per hour. He climbed an additional 5,000 feet at a different rate. This rate was 10 feet per hour less than twice the first rate. Which expression represents the number of hours the mountaineer climbed? A. frac 6,0003x-10 B. 6,0003x-10 C. frac 1,000x+frac 5,0002x-10 D. frac 1,000+frac 5,0002x-10
Algebra
7 months ago
Tyrel measured the average monthly temperature in degrees Fahrenheit for several months. If February is set equal to 2 and June is equal to 6, what function best models these data from February to June?
Algebra
7 months ago
Write as an algebraic expression: twice the sum of x and y decreased by 23
Algebra
7 months ago
Which set of numbers is included in the solution set of the compound inequality? -7,5,18,24,32 -9,7,15,22,26 16,17,22,23,24 18,19,20,21,22
Algebra
7 months ago
Which of the following equations represents a quadratic function? A. y=5x+2 B. y=x2-8 C. 2y2=-6+3x D. y=3x+22 What is the vertex of the quadratic function on the right? A. 0,1 B. 0,-1 D. C. -1,0 1,0
Algebra
7 months ago
DETERMINE THE STANDARD FORM° 2x+5x-4=0
Algebra
7 months ago
Customer: "With all of the money am spending today, will I be receiving anything complimentary? Yes, your service plan will automatically renew every year. Yes, your purchase today qualifies you for a free gift. Yes, I would be pleased to add your contact information to our mailing list. Yes, I would be happy to review additional products with you that may meet your needs. Yes, I would be happy to set you up with paperless billing.
Algebra
7 months ago
I. FILL IN THE BLANKS. 10 POINTS Directions: Fill the blanks with the appropriate word or phrase to make meaningful statements. Choose the correct answer from the word bank. One bell-shaped curve six zero inferential statistics equal z-values touch the horizontal axis x-axis 34% probability ,proportion, percentage 1.The curve of a probability distribution is formed by _. 2. The area under a normal curve is _. 3. The important values that best describe a normal curve are _. 4. There are_standard deviation units at the baseline of a normal curve. 5. The curve of a normal distribution extends indefinitely at the tails but does not 6. The area under a normal curve may also be expressed in terms of_or__or 、 7. The mean, median and the mode of a normal curve are _. 8. A normal curve is used in_.、 9, About_of a score distribution is between z=0 and z=1 10. The skewness of a normal curve is_because it is symmetrical.
Algebra
7 months ago
Use the graph 1. Which line models the data points better and why? 1 point blue, because it is longer blue, because the data points are all close to the line red, because it goes through one of the points red, because there are three points above the line and three points below the line
Algebra
7 months ago
What is the difference of -89.16-154.81 ? -243.97 −65.65 65.65 243.97
Algebra
7 months ago
Mary noticed a wasp's nest outside her house. She counted 20 wasps in 4 minutes. How many wasps flew by in 1 minute? Find the unit rate by using what you know about ratios. frac [?]wasps1minute
Algebra
7 months ago
Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bars. In this figure, mangle BDA=square ° and mangle BCA=square °
Geometry
7 months ago
A bag contains 3 red and 5 green sweets. Tim takes a sweet at random and eats it. He then takes another sweet. Find the probability that Tim takes 2 red sweets.
Algebra
7 months ago
Consider the two rectangles shown. What transformation maps rectangle QRST to rectangle Q'R'S'T'? reflection rotation stretch ' translation R' T a'
Coordinate-geometry
7 months ago
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