MATHEMATICS HIGH SCHOOL

Kendall is working on a math worksheet with 40 problems. He has completed 20 problems in 15 minutes. If he continues at the same pace, how long should it take him to finish the worksheet?20 minutes
25 minutes
30 minutes
35 minutes

Answers

Answer 1
Answer:

Answer:

30 minutes in total

Step-by-step explanation:

It took him 15 min to finsih half the sheet
Answer 2
Answer: Aɴsᴡᴇʀ-30 Aʟʟ ᴜ ʜᴀᴠᴇ ᴛᴏ ᴅᴏ ɪs ᴛʜɪɴᴋ ᴀʙᴏᴜᴛ 15+15=30

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The variation of kernel color in corn plants is an inherited trait. R is the dominant allele for red kernels in a corn plant and r is the recessive allele for yellow kernels. What is the probability that a corn plant with the genotype Rr crossed with a corn plant rr will have offspring with the genotype rr? Express your answer as a fraction using numerals for numbers and / for the fraction bar.

Answers

The question ask to find the probability that a corn plant with the genotype Rr crossed with a corn plant rr and will have an offspring with the genotype rr. Base on the data, the possible probability would be 25% and base on the table or the cross breeding 

Final answer:

The probability of having offspring with the genotype rr when a corn plant with the genotype Rr is crossed with a corn plant rr is 100%, or 1/1.

Explanation:

The probability of having offspring with the genotype rr when a corn plant with the genotype Rr is crossed with a corn plant rr can be determined using Punnett squares.

  1. First, write the genotypes of the parents: Rr and rr.
  2. Create a Punnett square by writing the alleles of one parent along the top and the alleles of the other parent along the side.
  3. Fill in the boxes of the Punnett square with the possible combinations of alleles.
  4. In this case, all the offspring will have the genotype rr, since r is the only allele from the second parent.

Therefore, the probability of having offspring with the genotype rr is 100%, or 1/1.

Learn more about Genetics here:

brainly.com/question/32287923

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Andre received $60 for his birthday and put it in his piggy bank. Each week, he puts 3 more dollars in his bank. The amount of money in dollars D in his bank is given by D = 3w + 60 where w is the number of weeks he has saved 3 dollars. His sister Lana helped him find how much money he will have after 4, 15, 20, and 36 weeks. This table shows her results. What is the rate of change using Lana’s values for D and w? Is this a linear model or non-linear model?

W 4 weeks 15 weeks 20 weeks 36 weeks

D D= 3w =60 D = 3w + 60 D = 3w + 60 D = 3w + 60
= 3*4 +60 = 3 * 15 = 3 * 20 + 60 = 3 * 36 + 60
= 12 + 60 = 45 + 60 = 60 + 60 = 108 + 60
= 72 = 105 = 120 = 168
A.
The rate of change varies. It is a linear model.

B.
The rate of change varies. It is a non-linear model.

C.
The rate of change is . It is a linear model.

D.
The rate of change is 3. It is a linear model.

Answers

The answer is D. The rate of change is 3. It is a linear model.

The original equation D = 3w + 60 is in the form y = mx + b, in which m is always the rate of change.  In this case, m = 3, so the rate of change is 3.

Also, when the rate of change is constant, the equation is always linear.  If the equation was plotted on a coordinate plane, it would create a straight line.
D. The rate of change is 3. It is a linear model.

Out of 56 players on the football team, 24 are on honor roll and 18 have perfect attendence. 7 who are on honor roll also have perfect attendence. If a player is chosen at random, what is the probability that they are on honor roll, if it is known that they also have perfect attendance?

Answers

A probability is a chance of prediction.

The probability of getting a player on the honor roll with perfect attendance is 7/18.

Probability

All favorable possibilities to occur a predicted value is called probability.

Probability = Number of Favorable Outcomes / Total Number of Favorable Outcomes.

Given that the total number of players are 56.

Total Player = 56, Honor Roll = 24, Perfect Attendance = 18, Perfect Attendance with Honor Roll = 7.

For the probability of getting a player on the honor roll with perfect attendance, we will take the outcomes of Perfect Attendance with Honor Roll = 7 and Perfect Attendance = 18.

Probability = \frac {7}{18}

Thus the probability of getting a player on the honor roll with perfect attendance is 7/18.

To know more about the probability, follow the link given below.

brainly.com/question/795909.

Answer:

There would be a 7/18 chance.

Step-by-step explanation:

Since we are given that we know they have perfect attendance, we limit the sample size to those with perfect attendance (18). Then for the chance, we use the amount who are also on honor role (7). Now we divide the two numbers.

7/18

4. What is 9.2 written as a mixed number in simplest form?A. 2
/9
B. 9
/2
C. 29
/10
D. 91
/5

6. Which one of the following statements is true? Compare .98 ____ .980 using (<, >, =)
A. 9.08 > 9.8
B. .98 = .980
C. .908 < .9008
D. .098 = .0098


7. 7.1 + 16.04 – .2 = ?
A. 23.34
B. 2.294
C. 22.94
D. 23.12

9. 2.1 + 3.32 – 1.4 = ?
A. 6.82
B. 5.42
C. 4.02
D. 4.2

11. Audrey had $20 and bought gum for $1.10, a soda for $.99, and a bag of chips for $3.98. How much
money does she have left?
A. $14.63
B. $15.20
C. $13.93
D. $26.07


12. If the following fractions were converted to decimals, which one would result in a repeating decimal?
A. 3
/4
B. 5
/11
C. 1
/9
D. 3
/7

13. What is the decimal representation of seven hundredths?
A. .700
B. .007
C. .7
D. .07



If a worker is paid $8.16 per hour and works 8.5 hours in one week, how much is he or she paid for
that week?
A. $65.28
B. $69.36
C. $65.68
D. $54.08

17. Which of the following is the representation of a decimal number?
A. .25
B. 23
C. 33
/10
D. 1
/2

What is the decimal representation of 2
/10 ?
A. .20
B. 2.0
C. 2.10
D. .2


Having the most awful time with these...

Answers

1 A 2 B 3 D 4 A 5 C 6 A 7 C

Each month mrs. li pays her phone company $28 for phone service and$0.07 per minute for long-distance calls. use the expression 28 0.07 m to find the amount she was billed if her long-distance calls totaled 223 minutes.

Answers

To find the amount Mrs. Li was billed for her long-distance calls totaling 223 minutes, you can use the expression:

28 + 0.07 * 223

First, calculate the cost of the long-distance calls:

0.07 * 223 = 15.61

Now, add this cost to the fixed monthly charge:

28 + 15.61 = 43.61

So, Mrs. Li was billed $43.61 for her phone service with 223 minutes of long-distance calls.

For the data in the table does y vary directly with x? If it does write an equation for the direct variation X Y
16 4
32 16
48 36

A)yes; y=2x
B)yes; y=1/4x
C)yes; y=1/8x
D) No; y does not vary directly with x

Answers

Answer:

D) No; y does not vary directly with x.

Step-by-step explanation:

We can affirm that y varies directly with x, that is, that y is directly proportional to x if they fulfill the following condition.

y/x = k

where,

k is a constant number

We have 3 ordered pairs:

a) (16, 4)

b) (32, 16)

c) (48, 36)

If we perform y/x for each ordered pair,

a) 4/16 = 0.25

b) 16/32 = 0.50

c) 36/48 = 0.75

Since y/x is not constant, y does not vary directly with x.
I think the answer is D because when I try to solve them they don't equal each other
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