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Samuel said that 16:36 was equivalent to 72:32. What was Samuel's error? The ratio was not chosen from the same columns. He did not look at the correct rows. This problem was impossible. 16:36 has no equivalent ratios. The first and second terms for both ratios need to be in the same order.
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4 months ago
Can someone help me with this problem asap
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4 months ago
Can someone please help me with this problem ASAP thank you
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4 months ago
For an average person, the rate of change of weight W (in pounds) with respect to height h (in inches) is given approximately by the following formula.dW/dh=0.0018h^2Find W(h) if W(80)equals=287.2 pounds. Also, find the weight of a person who is 5 feet, 8 inches tall.W(h)=_______A Person who is 5 feet, 8 inches tall weighs about _______ lbs
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4 months ago
can anyone help me with this one?
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4 months ago
In a recent poll, 370 people were asked if they liked dogs, and 7% said they did. Find the margin of error of this poll, at the 90% confidence level. Give your answer to three decimals.
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4 months ago
In a poll conducted by the Gallup organization in April 2013, 48% of a random sample of 1022 adults in the U.S. responded that they felt that economic growth is more important than protecting the environment. Calculate and interpret a 95% confidence interval for the proportion of all U.S. adults in 5 April 2013 who felt that economic growth is more important than protecting the environment. Make sure to include all steps.
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4 months ago
Boa drove from the Dead Sea up to Jerusalem and her altitude increased at a constant rate of 740 meters per hour. When she arrived in jerusalem after 1.5 hours of driving her altitude was 710 meters above sea level. Complete the equation for the relationship between altitude and the number of hours
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4 months ago
Which of these collections of subsets are partitions of {−3,−2,−1, 0, 1, 2, 3}? a) {−3,−1, 1, 3}, {−2, 0, 2} b) {−3,−2,−1, 0}, {0, 1, 2, 3} c) {−3, 3}, {−2, 2}, {−1, 1}, {0} d) {−3,−2, 2, 3}, {−1, 1}
General
4 months ago
In isosceles ∆DEK with base DK , EF is the angle bisector of ∠E, m∠DEF = 43°, and DK = 16cm. Find: KF, m∠DEK, m∠EFD.
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4 months ago
Can someone help fast? I will give 20 points. Thx 1. The Empire State Building in New York CIty is 1,454 feet tall. A model of the building is 24 inches tall. What is the ratio of the height of the model to the height of the actual Empire state Building? A) 727:12 B) 727:1 C: 12/727 D) 1:727 Are the polygons similar? If they are, write a similarity statement and give the scale factor. The figure is not drawn to scale. A) JKML ~ PSRQ; 8:1.5 B) JKML ~ PQRS; 8:4.8 C) JKML ~ PQRS; 2.5:4.8 D) The polygons are not similar. 3. What similarity statement can you write relating the three triangles in the diagram? A) GHF ~ GIH ~ HIF B) HIF ~ GIH ~ GFH C) GFH ~ GHI ~ HIF D) GHF ~ IGH ~ HIF 4. What are the values of x and y? A) x=9/4, y=3/4 B) x=9/4, y=15/4 C) x=15/4, y=5/4 D) x=3/4, y=15/4 5. What is the value of x to the nearest tenth? The figure is not drawn to scale. A) x=15.7 B) x=4.4 C) x=13.9 D) x=1.9 6. Are the two triangles similar? How do you know? A) No B) Yes; by AA ~ C) Yes; by SAS ~ D) Yes; by SSS ~ 7. What is the geometric mean of 6 and 13? A) 2_/13 B) 2_/26 C) _/78 D) 78 8. A salsa recipue uses green pepper, onion, and tomato in the extended ratio 3:7:11. How many cups of green pepper are needed to make 189 cups of salsa? A) 9 B) 27 C) 63 D) 99 9. What is the length of the altitude drawn to the hypotenuse? The figure is not drawn to scale. A) 24 B) _/24 C) 143 D) _/143 10. What is the solution to the proportion? 6/11 = m/121 A) 66 B) 11 C) 1/66 D) 1 11. What is the value of x, given PQ || BC? A) 10 B) 5 C) 7 D) 8
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5 months ago
Which explanation justifies how the area of a sector of a circle is derived?Determine the percent of the sector of the circle divided by the degrees in a circle. Then find the number of triangles within a circle. Divide the two numbers and multiply by the area of the circle.The sector of a circle is a fractional part of the circle. Determine the fraction of the circle that the sector represents. Multiply this fraction by the area of the entire circle.The sector of a circle represents a part of a whole circle. Determine how many sections of the sectors will fit in the circle. Multiply this number by 180 and then multiply it by the area of the circle.Find how many sector pieces fit in a circle. Divide this number by the total degrees in a circle. Then multiply the quotient by the diameter of the circle.
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5 months ago
Emma buys and sells truck parts. She bought two tires for $35.00 each and later sold them for $65.00 each. She bought three rims for $75.00 each and later sold them for $136.00 each. She bought five headlight covers for $4.00 each and later sold them for 15.00 each. What is Emma's total profit?
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5 months ago
Which expression can be simplified by applying the additive inverse property
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5 months ago
(07.01)Megan is picking out an outfit to wear. The organized list below represents the sample space of all possible outfits. Red shirt – Black pants Redshirt – White pants Red shirt – Blue pants Pink shirt – Black pants Pink shirt – White pants Pink shirt – Blue pants Based on the list, how many different-color pants does Megan have to choose from?
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5 months ago
the fortaleza telescope in brazil is a radio telescope. its shape can approximated with the equation y=0.013x2 is the relationship between x and y linear? is it proportional? explain
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5 months ago
Which expression is equivalent to square root of 2x^5/18? Assume
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5 months ago
Hazel has an assortment of red, blue, and green balls. The number of red balls is the number of blue balls. The number of green balls is more than the number of blue balls. In total, she has balls.An equation created to find the number of blue balls will have?
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5 months ago
A function that can be written in the form f(x)=ax2+bx+c, where a, b & c are real numbers and a is not equal to zero.
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5 months ago
The price of a shirt was $38. It was reduced by 20% and then again by 10%. a. What is the final price of the shirt?b. What would the price of the shirt be if it were reduced by 30% from the original?c. Explain why the two prices in a. and b. differ.
General
5 months ago
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