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4 years ago

How is estimating the quotient help you place the first digit in the quotient of a division problem

Mathematics

2 answers:

Greeley [361]4 years ago

6 0

By knowing , finding out the answer or calculating.

Elis [28]4 years ago

5 0

You can use many different strategies to find the answer to a division problem. One strategy is to use repeated subtraction. To find 123 ÷ 36, think: How many groups of 36 are there in 123? Start with 123. Subtract 36 repeatedly. Count how many times you subtracted: 123 − 36 = 87 (1); 87 − 36 = 51 (2); 51 − 36 = 15 (3); 15 < 36. There are 3 groups of 36 in 123 with 15 left over. Therefore, 123 ÷ 36 = 3 R15.

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The intensity of radiation at a distance x meters from a source is modeled by the function given by R(x)=kx2, where kk is a posi

kipiarov [429]

This would be the average value of R(x) between 10 m and 50 m :

$\displaystyle \frac1{50\,\mathrm m - 10\,\mathrm m} \int_{10\,\rm m}^{50\,\rm m} kx^2 \, dx$

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3 years ago

The larger of two numbers is 15 more than the smaller number. If the sum of the number is 45, find the number

katrin2010 [14]

x+y=45 and x=y+15

Therefore, x is 30 and y is 15

x is greater than y by 15, and their sum in 45.

The larger number is 30 and the smaller number is 15.

7 0

3 years ago

2-2x2-(39 divided by 1)+2+9

artcher [175]

-30 is the answer for your question

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3 years ago

The product of two consecutive integers is 272. which quadratic equation can be used to find x, the smaller number? x2 1 = 272 x

RoseWind [281]

An equation is formed of two equal expressions. The quadratic equation that can be used to find x, the smaller number is x²+x-272.

<h3>What is an equation?</h3>

An equation is formed when two equal expressions are equated together with the help of an equal sign '='.

Let the first number be x.

Now since the two numbers are consecutive numbers the other number will be (x+1). Also, it is mentioned in the problem that the product of the two numbers is 272. Therefore, the equation that can represent the product will be,

$x \times (x+1) = 272\\\\x^2 + x =272\\\\x^2 + x -272 = 0$

Thus, the quadratic equation that can be used to find x, the smaller number is x²+x-272.

Learn more about Equation:

brainly.com/question/2263981

5 0

2 years ago

Read 2 more answers

A line passing (a,3) and (5,5) is perpendicular to a line passing through (0,0) and (1,a) Find the value of a.

vodka [1.7K]

Answer:

a = -5

Step-by-step explanation:

(5 - 3)/(5 - a)

2/(5 - a)

perpendicular of 2/(5 - a) = -(5 - a)/2

(a - 0)/(1 - 0) = -(5 - a)/2

a/1 = -(5 - a)/2

2a = -5 + a

a = -5

6 0

4 years ago