Questions by Christophe Claude

Questions by Christophe Claude

A substance has a half-life of 4.042 minutes. If the initial amount of the substance was 115.2 grams, how many half-lives will have passed before the substance decays to 7.2 grams? x half-lives What is

asked Sep 14, 2024

1 answer

3 votes

168k views

Recall that for a matrix A∈Rn×n,A is symmetric positive definite (SPD) if A=AT and xTAx>0 for all nonzero vectors x∈Rn. Use only this definition to prove the following properties of the SPD matrix A :

asked May 12, 2024

1 answer

0 votes

92.2k views

The chronological order of an accounting system is _____.

asked Apr 22, 2024

1 answer

3 votes

118k views

S would like to use dividends from her life insurance policy to purchase paid-up additions. All of these would be factors that determine how much coverage can be purchased EXCEPT?

asked Feb 12, 2024

1 answer

4 votes

125k views

Is it correct? i will brinlist to who answer first

asked Nov 7, 2023

1 answer

1 vote

106k views

Why is friction useful between your feet and the ground?

asked Oct 23, 2023

1 answer

8 votes

72.2k views

Given the table for F (x), write an expression for the function, and describe what it does.

asked Oct 13, 2023

1 answer

5 votes

13.4k views

Which sentence from “The Treasure of Lemon Brown” contains indirect characterization? They banged around noisily, calling for the rag man. He vaulted over the outer stairs and pushed tentatively on the

asked Oct 2, 2023

1 answer

17 votes

144k views

Find equivalent expressions for 2y + 7 - 5y + 6y - 3+ y.

asked Sep 13, 2023

1 answer

14 votes

184k views

Write an equation of the line in slope- intercept form. A. Y= -4/5x - 3 B. Y = -4/5x + 3 C. Y= -5/4x - 3 D. Y= -5/4x + 3

asked Sep 8, 2023

2 answers

1 vote

1.1k views

Write answer from top to bottom

asked Jan 17, 2023

1 answer

5 votes

157k views

Which two are good food source for the nutrient Carbohydrate? A.Rice and yam B.pork and fish C.grapes and chicken D.mutton and rice

asked Oct 25, 2022

2 answers

5 votes

111k views

5x - 3y = 8 9 + 7y - 126

asked Oct 2, 2022

1 answer

2 votes

39.7k views

Please click the image to answer my question

asked Jun 15, 2022

1 answer

4 votes

154k views

Can someone help me please.It doesn’t have to be a big paragraph.Only like 3/4 sentences.

asked May 23, 2022

1 answer

0 votes

58.2k views

The sun of the bases of a parallel trapezoid is 38.5 feet. What would be the height of the trapezoid if the area is 269.5 square feet?

asked Apr 25, 2022

1 answer

20 votes

8.5k views

Is penut butter good or bad fr when ur sick my symptoms are sick tummy and sore body I haven't thrown up or got any cold symptoms

asked Apr 24, 2022

2 answers

12 votes

44.5k views

Smising, pharming and phishing are three security threats that can occur when using the internet for shopping. When the user types in a URL they are directed to a fake website. * A ) Phishing B ) Pharming

asked Apr 22, 2022

1 answer

0 votes

98.7k views

What were the potential problems of the Puritans leaving England?

asked Apr 20, 2022

1 answer

4 votes

97.1k views

( 2 + 7 -14 Turn over

asked Jan 5, 2022

1 answer

3 votes

81.1k views

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