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Question 132340: I am having problems with my biology genetic problems and was wondering if anyone can help me with monohybrid crosses with dominance.
A brown-eyed woman whose father was brown-eyed and whose mother was blue-eyed married a blue-eyed man whose father and mother were both brown-eyed. The couple has a blue-eyed son. For which of the individuals mentioned can you be sure of genotypes? What are their genotypes? What genotypes are possible for the others?
Click here to see answer by scott8148(6628)

Question 132341: Another genetic monohybrid crosses with dominance word problem.
If a man with blood type A, one of whose parents had blood type O, marries a woman with blood type AB, what will be the theoretical percentage of their children with blood type A?
Click here to see answer by scott8148(6628)

Question 132408: genetic problem:
Schilder's disease, which causes a progressive degeneration on the nervous system leading to death at about two years of age, behaves as a simple autosomal recessive trait.If a couple loses their first two children due to Schilder's disease, what is the chance that their third child will develop the disease? S=normal and s=Schilder's disease.
Click here to see answer by edjones(8007)

Question 132676: four oranges and five apples cost $3.56. three oranges and four apples cost $2.76. find the cost of an orange and the cost of an apple.
Click here to see answer by stanbon(75887)

Question 132866: Genetic problem, sex-linked problems.
I need help solving this problem:
A man and his wife both have normal color vision, but a daughter has red-green color blindness, a sex-linked recessive trait. The man sues his wife for divorce on grounds of infidelity. Can genetics prove evidence supporting his case?
Click here to see answer by vleith(2983)

Question 133024: Genetic problem:
In flowering peas, a gene for tall plants (T) is dominant over its allele for short plants (t). The gene for smooth peas (S) is dominant over its allele for wrinkled peas (s). Calculate the phenotypes that would be expected from this cross: Ttss x ttss.
Click here to see answer by Nate(3500)

Question 133031: genetic monohybrid problem:
If a brown-eyed woman marries a blue-eyed man and they have ten children, all brown-eyed, can you be certain that the woman is homozygous? If the eleventh child has brown eyes, will that prove what the mother's genotype is?
Click here to see answer by Nate(3500)

Question 133023: genetic problem:
In watermelon, the genes for green color (G) and for short shape (S) are dominant over their alleles for striped color (g) and for long shape (s). Suppose two heterozygous short/green plants are crossed. What phenotypes would this cross produce and in what ratios?
Click here to see answer by Nate(3500)

Question 132736: Genetic problems, Sex-linked problems:
A man and his wife both have normal color vision, but a daughter has red-green color blindness, a sex-linked recessive trait. The man sues his wife for divorce on grounds of infidelity. Can genetics prove evidence supporting his case?
Click here to see answer by scott8148(6628)

Question 133423: The fifth number plus the third number equals fourteen.
The fourth number is one more than the second number.
The first number is one less than twice the second number.
The second number plus the third number equals ten.
The sum of all five numbers is 30.

Click here to see answer by oscargut(2103)

Question 133707: May someone help me translate into an algebraic expression. Thanks
"Twice the difference of a number and one added to triple the number yields twenty less than six times the number."
Click here to see answer by jim_thompson5910(35256)

Question 134031: At a Friday night performance of a play, 120 adults and 75 student tickets were sold. The total receipts were $750. At the Saturday afternoon performance, 80 adult and 110 student tickets were sold for a total receipts of $620. Find the cost of a student ticket.
The answers are:
a)$1.50
b)$1.75
c)$2.00
d)2.25
I have an answer of $2.50.
120a+75s=$750
80a+110s=$620
Click here to see answer by checkley71(8403)

Question 123560: Driving down a mountain, Tom finds that he has descended 1800 ft
in elevation by the time he is 3.25 mi horizontally away from the top of the
mountain. Find the slope of his descent to the nearest hundredth.
Click here to see answer by ankor@dixie-net.com(22740)

Question 134826: twice the difference of seven times a number and four yields the same number increased by six
Click here to see answer by stanbon(75887)

Question 134891: I would greatly appreciate your help! White pebbles are sold for $4.00 lb. and reddish pebbles are sold for $2.00 lb.. If 75 lbs. of white pebbles were combined with 25 lbs. of reddish pebbles, who much would the price per lb. be for the 100 lbs. of pebbles? Thanks!
Click here to see answer by checkley77(12844)

Question 134937: 80% of the kids liked ducks more than bats. if 300 kids liked bats, how many liked ducks?
Click here to see answer by nycsharkman(136)

Question 134991: Translate into algebraic equations :
1.The sum of three consecutive even numbers is 144; what are the numbers?
2.The price of one brand of athletic shoes is $5 more than another brand. If the prices of the two pairs of shoes add to $230, how much does each pair cost?
3. A man buys five DVDs for $66.34, including 7% sales tax. How much did each DVD cost?

Click here to see answer by rajagopalan(174)

Question 135072: A man buys five DVDs for $66.34, including 7% sales tax. How much did each DVD cost? Write the equation.
Click here to see answer by checkley77(12844)

Question 135072: A man buys five DVDs for $66.34, including 7% sales tax. How much did each DVD cost? Write the equation.
Click here to see answer by jojo14344(1513)

Question 135005:
Translate the following problems into algebraic equations :
1) 42 is 40% of what number?
2) 15 is what percent of 3?
3) The sum of the page numbers on facing pages of a book is 157; what are the page numbers?
Click here to see answer by checkley77(12844)

Question 135004: Translate the following problems into algebraic equations :
1) 42 is 40% of what number?
2) 15 is what percent of 3?
3) The sum of the page numbers on facing pages of a book is 157; what are the page numbers?

Click here to see answer by checkley77(12844)

Question 134993: Translate into algebric equotations :
1) What number is 15% of 108?
2) 16 is what percent of 54?
3) The sum of three consecutive even numbers is 144; what are the numbers?

Click here to see answer by checkley77(12844)

Question 135120: please help!!!! saxon math algebra 1 third edition
no idea how to do
what is domain of function f(x)=sqrt(2x-3)
Click here to see answer by vleith(2983)

Question 135169: Translate the following problems into algebraic equations:

1) In a certain triangle the measure of one angle is double the measure of a second angle but is 10 degrees less than the measure of the third angle. [The sum of the measures of three interior angles of a triangle is always 180 degrees.] What is the measure of each angle?
2) Tom’s uncle owns a triangular piece of land. The perimeter fence that surrounds the land measures 378 yards. The shortest side is 30 yards longer than one-half of the longest side. The second longest side is 2 yards shorter than the longest side. What is the length of each side?

Click here to see answer by stanbon(75887)

Question 135174: Translate the following problems into algebraic equations :

1) A woman buys three pairs of jeans for $99.84, including tax. If each pair of jeans cost $32, what was the sales tax rate?
2) The final grade for a particular course is calculated by dividing total points earned by total points available. There are 120 points available in the first half of the course, and 140 points in the second half of the course. If a student earns 81% in the first half of the course, how many points must the student earn in the second half in order to earn an 80% B final grade?

Click here to see answer by stanbon(75887)

Question 135177: Translate the following problems into algebraic equations :
1)The final grade for a particular course is calculated by dividing total points earned by total points available. There are 120 points available in the first half of the course, and 140 points in the second half of the course. If a student earns 81% in the first half of the course, how many points must the student earn in the second half in order to earn an 80% B final grade?

2)A girl buys three apples and seven oranges for $4.56. If an orange costs $0.28 more than an apple, how much does each fruit cost?

3)A woman buys three pairs of jeans for $99.84, including tax. If each pair of jeans cost $32, what was the sales tax rate?
Click here to see answer by stanbon(75887)

Question 134990: Translate into algebraic equations :
1- A student averages 84 on five tests. If the student received grades of 84, 82, 81, and 79 on the first four exams, what grade did the student receive on the fifth exam?
2-The area of a rectangle is 45 square cm. If the length is 4 cm greater than the width, what are the dimension of the rectangle?
3- Lydia takes ten minutes more to complete an illustration than Tom. The total time taken by both of them is six hours. How much time did each require?

Click here to see answer by ankor@dixie-net.com(22740)

Question 135183: translate into a algebraic equations :
1) A girl buys three apples and seven oranges for $4.56. If an orange costs $0.28 more than an apple, how much does each fruit cost?

Click here to see answer by checkley77(12844)

Question 135186: translate into algebraic equations :

1)Tom’s uncle owns a triangular piece of land. The perimeter fence that surrounds the land measures 378 yards. The shortest side is 30 yards longer than one-half of the longest side. The second longest side is 2 yards shorter than the longest side. What is the length of each side?
Click here to see answer by scott8148(6628)

Question 135180: Translate into algebric equotions :
1)Tom’s uncle owns a triangular piece of land. The perimeter fence that surrounds the land measures 378 yards. The shortest side is 30 yards longer than one-half of the longest side. The second longest side is 2 yards shorter than the longest side. What is the length of each side?
2)A girl buys three apples and seven oranges for $4.56. If an orange costs $0.28 more than an apple, how much does each fruit cost?
Click here to see answer by scott8148(6628)

Question 135175: Translate the following problems into algebraic equations :

1)Tom’s uncle owns a triangular piece of land. The perimeter fence that surrounds the land measures 378 yards. The shortest side is 30 yards longer than one-half of the longest side. The second longest side is 2 yards shorter than the longest side. What is the length of each side?

2)A girl buys three apples and seven oranges for $4.56. If an orange costs $0.28 more than an apple, how much does each fruit cost?
Click here to see answer by scott8148(6628)

Question 135691: sams overall average rating was 120. if her first rating was 96 and her second was weighted at double value, what was her second rating?
Please Help!!!!!!!!!!
Click here to see answer by stanbon(75887)

Question 136874: Three times a number is 16 less than the opposite of the number. What is the number?
Click here to see answer by stanbon(75887)

Question 136904: Here is the problem. Time Traveled on a Visit. Steve leaves Nashville to visit his cousin David in Napa, 80 miles away. He travels at an average speed of 50 mph. One half hour later David leaves to visit Steve, traveling at an average seed of 60 mph. How long after David leaves will they meet?
I set it up like this:
50t + 60(t - 1/2)= 80 but the answer to that is 1. I know by doing a line graph that the answer should be 1/2 hr, but how do I set it up to give me the right answer?
Click here to see answer by solver91311(24713)

Question 137095: Please help me put this into proper form.
Word problem:
The will of an eccentric millionaire reads as follows: "I leave 4/17 of my estate to my son, 7/13 of the remainder to my wife, 2/3 of this remainder to my daughter, and the remaining $2,000,000 to my dog." What was the total amount of the estate? Thanks in advance for any help!
Click here to see answer by rajagopalan(174)

Question 138007: Please help with this problem:
A student weighs her hamsters two at a time. Sandy and
White Ears weigh 209 g together. White Ears and Sport weigh 223 g together. Sandy & Sport weigh 216 g together. How much does each hamster weigh?
Thank you for your help.
Click here to see answer by ptaylor(2198)

Question 138952: If the shortest side of a right triange is tripled, with 4 added to the result, the result is the longest side. The medium side is 10 more than twice the shortest side. Find the length of the shortest side.
Click here to see answer by solver91311(24713)

Question 139168: the difference between two numbers is -38. two times the smaller number minus five times the larger number is -217. what are the numbers?
Click here to see answer by ankor@dixie-net.com(22740)

Question 139440: On a test, 60% were right. If 3000 were wrong, how many were right? How many people took the test?
Question 1
.6x=3000
divided
x=5000
Question 2
.4x=3000
divided
x=7500
Are the answers right? And did I do them correctly?
Click here to see answer by checkley77(12844)

Question 139437: A freight train heads north at 9a.m. at 40mph.2 hr. later a express train heads north at 60mph. What time is it when express is 20mi further from town than the freight?
Work
RsubF(TsubF)+20=RsubE(TsubE) RsubF=40
RsubE=60
TsubF=TsubE-2
I got wrong answer and is this equation set up right?
Click here to see answer by frostusna(7)

Question 139618: Here's the problem. I haven't taken math in years.
This is how far I gotton with this one.
The length of a rectangle is 5cm more than its width. The perimeter is 5 times the width. What are the dimensions?
5w=2(5+w)+2w
5w=10+2w+2w
5w=10+4w
Now what
Click here to see answer by frostusna(7)

Question 139910: I need help on this.....
Page 204
Number 2
Four less than nine times a number is one hundred twenty two find the original number.
Click here to see answer by vijay(6)

Question 140880: If the total cost of apples is b cents, what is a general formula for the cost, in cents, of y apples?

a. b/xy
b. x/by
c. xy/b
d. by/x
e. bx/y
The answer is �D�, but we don�t know why...

Click here to see answer by stanbon(75887)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545