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Algebra
Solve for r. 17r-13r=20
Algebra
5 months ago
Which statement best describes the domain and range of px=6-x and qx=6x px and qx have the same domain and the same range. px and qx have the same domain but different ranges. px and qx have different domains but the same range. px and qx have different domains and different ranges.
Algebra
5 months ago
2. Under constant pressure condition, a sample of hydrogen gas initially at 85 ° C and 7.2 L is cooled until its final volume is 4.1 L. What is its final temperature?
Algebra
5 months ago
What is the value of x and the length of segment DE? 1. 5/9 = 9/2x+3 2. 10x+15=99 x=square Length of overline DE=square units
Algebra
5 months ago
Which sum or difference is modeled by the algebra tiles? 1 -x-x11 -x2 -x -x A. -x2-2x+4-x2+2x+1=-2x2-4x+3 B. -x2-2x+4+-x2-2x+1=-2x2-4x+3 C. -x2-2x+4-x2-2x-1=-2x2-4x+3 D. . x2-2x+4+ . x2+2x+1=-2x2-4x+3
Algebra
5 months ago
Toby goes on holiday to Geneva, Switzerland. In Geneva, Toby sees a watch costing 193.75 CHF Swiss Francs. In Manchester, an identical watch costs £145. Given that xi 1=1.55 CHF a In which city is the watch cheaper? b By how much is it cheaper in £?
Algebra
5 months ago
The figure below is made of two identical triangular prisms. What is the volume of the figure? 150 cubic inches 300 cubic inches 600 cubic inches 100 cubic inches
Algebra
5 months ago
What is 2/5 of 40?
Algebra
5 months ago
The school principal is designing a square courtyard outside of the school, separated into 4 equal spaces. She wants to know the total area of the courtyard. s= length ft of one side of each space. # Which expression shows the total area of the courtyard? 4s2 What is the total area if each smaller space is 5 feet on each side? ft2
Algebra
5 months ago
20. On Monday, it took Helen 3 hours to do a page of science homework exercises. The next day she did the same number of exercises in 2 hours. If her average rate on Monday was p exercises per hour, what was her average rate the next day, in terms of p?
Algebra
5 months ago
1 What do you call a relation where each element in the domain is related to only one value in the range by some rules? A. Function C. domain B. range D. independent variable 2. Which of the following real-life relationships represent a function? A. The rule which assigns to each person the name if his aunt. B. The rule which assigns to each person the name of his father C. The rule which assigns to each cellular phone unit to its phone number. D. The rule which assigns to each person a name of his pet. 3. A person is earning P500.00 per day for doing a certain job. Which of the following expresses the total salary S as a function of the number n of days that the person works? A. Sn=500+n C. Sn=500n D. B. Sn= 500/n Sn=500-n 4. Find the function value given hx=7x-11 i x=8m+3 A. 56m+10 c. 56m2+10 D. B. 56m-10 56m210 5. For what values of x can we not evaluate the function fx=frac 3x+7x2-4 ± 4 ± 3 _ ± 1 ± 2 6. Given fa=2a+1 and ga=3a-3 ,Find fa+ga A. 5a-2 C. -2a+1 D. B. -5a+2 -6a-1 7. Giver gx=6x-7 and fx=5x-1 ,find ghx A. -9x+11 C、 30x+13 B. 9x2+4x D. 30x-13 8. If fx= square root of x+6 and kx=9-x , find jk-1 A. 9- square root of 5 C. 16 B. square root of 14 D. 4
Algebra
5 months ago
The equation C=2 π r is the formula that relates the circumference of a circle to the radius. This gives us the ability to calculate pi if we physically measure a circle's circumference and radius. Solve the equation for π to get the formula you would use to perform this activity. π = C/2r π =C-2r π =2Cr π = C/2 -r
Algebra
5 months ago
b A jewellery shop sells 240 necklaces in a month. 180 of the necklaces were sold via the shop's website, the rest were sold in a high street shop. Work out the ratio of online sales to shop sales. Give your answer in its simplest form.
Algebra
5 months ago
1. Whis is not true about number zero. 。 A Even 。 B Positive ◇ C Additive identity 。 D Additive inverse of zero
Algebra
5 months ago
What is the difference of the two polynomials? 9x2+8x-2x2+3x 7x2+5x 7x2+11x 11x2+5x 11x2+11x
Algebra
5 months ago
Observe how the lower quartile Q_1 , middle quartile Q_2 , and upper quartile Q_3 of the scores are obtained. Complete the statements below: The first quartile 3 is obtained by observe the position of 3 from 1 to 5 The second quartile 5 is obtained by observe the position of 5 from 1 to 9 The third quartile 8 is obtained by .. observe the position of 8 from 6 to 9. https://flare.nemco.edu.ph f nemco1945 ; - Measures of Position 3. The scores of 10 students in a Mathematics seatwork are: 7,4,8,9,3,6,7,4,5,8 Arrange the scores in ascending order: 3 , 4 ,4 , 5 , 6 , 7 , 7 , 88 , 8 Q3 Lower Upper quartile 6+7/2 2=6.5 quartile
Algebra
5 months ago
What is the product of a+3 and -2a2+15a+6b2 ? -2a3+9a2+45a+24b2 -2a3+21a2+45a+24b2 -2a3+9a2+45a+6ab2+18b2 -2a3+21a2+45a+6ab2+18b2
Algebra
5 months ago
1. A dinner plate has a radius of 6 cm. What is its area? Asked: Given: Operation: _ Number Sentence: Solution: Answer:
Algebra
5 months ago
https://nocn-testplatform.calibrandtest.com/AssessmentPlayer/?mode=%2F%23%2FstartExamRequ 01 : CN Functional Skills Mathematics - Level 2 - Paper B 4 / 16 Previous Question 4 Alan bought a car for £15,600. He intends to keep the car for three years. He knows that the car loses value in the first year by 19%. What will be the value of the car after 1 year? Show your working out and write your answer in the box to the right. 2 marks
Algebra
5 months ago
Diep buys a loaf of bread 65 centimeters long. For lunch every afternoon, he cuts 15 centimeters of bread for his sandwich. Diep wants to determine the length of the loaf of bread, I, after d days. What is the equation of the scenario? Is the graph of the equation continuous or discrete? l=65-15d ; discrete l=65-15d ; continuous 65=1-15d ; discrete 65=1-15d ; continuous
Algebra
5 months ago
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