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3 years ago

Which diagram represents the vector addition C=A+B. Which represents vector subtraction C=A-B?

1 answer:

3 0

If the vectors point towards the same direction, the magnitude of the vector quantities are added as in, C = A + B. If they point towards opposite direction, the magnitudes are subtracted giving a resultant vector equal to C = A - B.

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Ryan and Sarah collect baseball cards. Ryan has 150 baseball cards and collects 10 cards per week. Sarah has 200 baseball cards

Nadusha1986 [10]

Answer:

<h2>10 weeks </h2>

Step-by-step explanation:

Step one:

given data

Ryan

number of baseball cards=150

number collected per week= 10

let the number of weeks be x

and the total be y

y=10x+150-----------------1

Sarah

number of baseball cards=200

number collected per week= 5

let the number of weeks be x

and the total be y

y=5x+200------------2

Step two:

Required

the number of weeks where both total will be the same

10x+150=5x+200

10x-5x=200-150

5x=50

divide both sides by 5

x=50/5

x=10 weeks

3 0

2 years ago

The local shelter decided to build an addition for cats hey borrowed $6300 from a local bank at a rate of 8% the high school hel

Zepler [3.9K]

Answer:

$378

Step-by-step explanation:

To find the interest that the shelter payed on this loan, we use the formula: $I=Prt$ .

P = $6,300

r = 8% or 0.08

t = 9/12

Now we substitute the values into our formula.

$I=Prt$ .

$I=6,300(0.08*\dfrac{9}{12})$

$I=6,300(0.08*0.75)$

$I=6,300(0.06)$

$I=$378$

So the shelter payed a total of $378 in interest to the bank.

3 0

3 years ago

What is square root in simplified form? What is in simplified form?

Anon25 [30]

Answer:

Step-by-step explanation:

Let as us 45 as the number we should use to get the square root in the simplest form

And then 144

The square root of a number in is simplest form means to get the number inside the radical as low as possible

8 0

3 years ago

Are there concepts/processes to strictly follow in writing radicals as expressions with rational exponents?

Eva8 [605]

Answer:

The concept or process is $x^{\frac{m}{n}}=(\sqrt[n]{x})^m$ .

Step-by-step explanation:

Consider the provided information.

The following property can be used to rewrite each radical as an exponent.

The numerator tells the power of the resulting rational exponent, and the denominator of the rational exponents tells the root of that number.

$x^{\frac{m}{n}}=(\sqrt[n]{x})^m$

For example:

$(27)^{\frac{2}{3}}=(\sqrt[3]{27})^2$

$(27)^{\frac{2}{3}}=(3)^2$

$(27)^{\frac{2}{3}}=9$

Hence, the concept or process is $x^{\frac{m}{n}}=(\sqrt[n]{x})^m$ .

5 0

3 years ago

-x+4y when x=-4/5 and y=1/3

kobusy [5.1K]

The answer is 2.1333 repeating

4 0

3 years ago