# Algebra1

posted by .

15. Simplify the product using FOIL: (4x+3)(2x+5)

6x^2 + 26x + 15

16. Given the set of data 2, 6, 3, 8, 5, 4, 2, what is the mean?

4.28

41. Find 60.5% of 8,125.

4,915.625

54. Find 45% of 125
56.25

68. Evaluate: (5.0 x 10^3) x (4.0 x 10^7)

I need help in this.

69. Find 700% of 100.
700

75. Find the missing side of the right triangle if the hypotenuse is 26 and one of the legs is 24

13

76. Seven is 10% of what number?

70

85. Find: 40 out of 85 in percentage
47.05%

86. Find: 25 out of 75 in percentage
33.33%

87. Find 68 out of 17 in percentage
??

88. Find 21% of 60
12.6

98. If a coat was 25% off of the marked price of \$68.00, how much would it cost?

51

• Algebra1 -

good job, all correct except 3

68.
(5.0 x 10^3) x (4.0 x 10^7)
= 20 x 10^10
= 2.0 x 10^11

75.
x^2 + 24^2 = 26^2
x^2 + 576 = 676
x^2 = 100
x = √100 = 10

87.
68/17
= 4
= 400%

## Similar Questions

1. ### math

Each element in a data set is multiplied by 2, and each resulting product is then increased by 5. If 'm' is the mean of the final data set, which of the following expressions gives the mean of the original set in terms of 'm'?
2. ### math

Each element in a data set is multiplied by 2, and each resulting product is then increased by 5. If 'm' is the mean of the final data set, which of the following expressions gives the mean of the original set in terms of 'm'?
3. ### statistics

basically i'm at the begining of the text book doing summer work it's talking about mean and stuff asked to find the mean of a set of data and given 14 different numbers the question then goes on and tells me a fifteenth number is …
4. ### Math

The stem-and-leaf plot shows the heights in centimeters of Teddy Bear sunflowers grown in two different types of soil. Soil A 65,62,61,61 75,71,70 82,81 90 Soil B 59 63,69 70,72,73,76,77,78 83 a) Describe the overlap of the two sets …
5. ### Algebra

Simplify the product using FOIL (6x – 5)(2x – 3) (1 point)
6. ### algebra 2

My data has a median of 4, a mode of 3 and a mean of 3.56. Would this mean my data set was normally distributed?
7. ### Math

Complete the data set with one value so the mean of the data is 13 using numbers 10, 14, 8, 16, 12, x. X=18 Which value can you remove from new set of data so that mean is 14?
8. ### Math

Please check my responses! ASAP Consider the following data set: 3,4,6,7,9,9,11 If 5 were added to each of the values, how would that affect the median?
9. ### Statistics

Consider the following data set: 3, 4, 6, 7, 9, 9, 11. Identify a number you could add to the set to keep the mean equal to the median. Please help me out. I have no idea how to find this and my lesson doesn't explain how to do it …
10. ### math

1.What are the mean,median,mode and range of the data set given the altitude of lakes in feet:-9,-36,-23,-8,-17,-52,-27,and-36?

More Similar Questions