Hot questions

0 votes

0 answers

A particular star is at a distance of about `8.1 xx 10^13` km from the Earth. Assuring that light travels at `3 xx 10^8` m per second, find how long does light takes from that star to reach the

asked Jan 17, 2022 in 8th-maths by purvi (1.8k points)

0 votes

0 answers

The food labels given below give information about 2 types of soup: cream of tomato and sweet corn. Use these labels to answer the given questions. (All the servings are based on a 2000 calorie diet.) (a) Which can be measured more accurately : the total amount of fat in cream of tomato soup or the total amount of fat in sweet corn soup? Explain. (b) One serving of cream of tomato soup contains 29% of the recommended daily value of sodium for a 2000 calorie diet. What is the recommended daily value of sodium in milligrams? Express

asked Jan 17, 2022 in 8th-maths by vaibhav (1.7k points)

0 votes

0 answers

Sunscreens block harmful ultraviolet (UV) rays produced by the sun. Each sunscreen has a Sun Protection Factor (SPF) that tells you how many minutes you can stay in the sun before you receive one minute of burning UV rays. For example, if you apply sunscreen with SPF 15, you get 1 minute of UV rays for every 15 minutes you stay in the sun. 1. A sunscreen with SPF 15 allows only `1/15` of the sun’s UV rays. What per cent of UV rays does the sunscreen abort? 2. Suppose a sunscreen allows 25% of the sun’s UV rays. a.

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

0 votes

0 answers

Verify the following: `(a – b) (a – b) (a – b) = a^3 – 3a^2b + 3ab^2 –

asked Jan 17, 2022 in 8th-maths by nishit (1.8k points)

0 votes

0 answers

Find x so that `(–5)^(x+1) xx (–5)^5 =

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

0 votes

0 answers

On dividing `8^5` by _________ we get

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

0 votes

0 answers

`a^p xx b^q =

asked Jan 17, 2022 in 8th-maths by krutika (1.7k points)

0 votes

0 answers

Solve the following:(i) `100^(–10)` (ii) `2^(–2) xx 2^(–3)` (iii) `(1/2)^(-2) -:

asked Jan 17, 2022 in 8th-maths by uday (1.6k points)

0 votes

0 answers

Simplify: -1. `(49 xx z^(-3))/(7^(-3) xx 10 xx z^(-5))`

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

0 votes

0 answers

By what number should `((-3)/2)^(-3)` be divided so that the quotient may be `(4/27)^(-2)`

asked Jan 17, 2022 in 8th-maths by purvi (1.8k points)

0 votes

0 answers

`(125 xx x^(-3))/(5^(-3) xx 25 xx

asked Jan 17, 2022 in 8th-maths by vaibhav (1.7k points)

0 votes

0 answers

An insect is on the 0 point of a number line, hopping towards 1. She covers half the distance from her current location to 1 with each hop. So, she will be at `1/2` after one hop, `3/4` after two hops, and so on. (a) Make a table showing the insect’s location for the first 10

asked Jan 17, 2022 in 8th-maths by sumit (1.6k points)

0 votes

0 answers

A packet of sweets was distributed among 10 children and each of them received 4 sweets. If it is distributed among 8 children, how many sweets will each child

asked Jan 17, 2022 in 8th-maths by Simran (1.8k points)

0 votes

0 answers

Ratio of area of a circle to the area of a square whose side equals radius of circle is 1 :

asked Jan 17, 2022 in 8th-maths by nishit (1.8k points)

0 votes

0 answers

A double bar graph is useful for the __________ of two sets of data.- Data represented in a circular form is called a _________ chart.- The graph of a linear equation is always a __________ line.- The cartesian system used two axes which are __________ to each

asked Jan 17, 2022 in 8th-maths by nikhil (1.8k points)

0 votes

0 answers

Study the distance-time graph given below for a car to travel tocertain places and answer the questions that follow.(a) How far does the car travel in 2 hours?(b) How much time does the car take to reach R?(c) How long does the car take to cover 80 km?(d) How far is Q from the starting point?(e) When does the car reach the place S after

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

0 votes

0 answers

Represent the no on the number line.

asked Jan 17, 2022 in 8th-maths by Simran (1.8k points)

0 votes

0 answers

Find ten rational numbers between `(-2)/5` and

asked Jan 17, 2022 in 8th-maths by nikhil (1.8k points)

0 votes

0 answers

2025 plants are to be planted in a garden in such a way that each row contains as many plants as the number of rows. Find the number of rows and the number of plants in each

asked Jan 17, 2022 in 8th-maths by nikhil (1.8k points)

0 votes

0 answers

Find the least number that must be added to 1300 so as to get a perfect square. Also find the square root of the perfect

asked Jan 17, 2022 in 8th-maths by uday (1.6k points)

Hot questions

Categories