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3 years ago

What is the value of x?

Mathematics

1 answer:

Dimas [21]3 years ago

4 0

X/10 = 10/4x
4x^2 = 100
x^2 = 25
x = 5

answer
5 units

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Sam was given a bag of 100 red and blue marbles. He believes

Rashid [163]

Answer:

(D) There are probably more blue marbles than red marbles in the bag.

Step-by-step explanation:

There are a total of 100 marbles in the bag.

In the experiment of 50 trials, Sam had the following outcome:

Blue=35

Red=15

Relative Frequency of Blue Marbles =35/50=0.7

Relative Frequency of Red Marbles =15/50=0.3

Since the relative frequency of blue marbles is greater than the relative frequency of red marbles, <u>there are probably more blue marbles than red marbles in the bag.</u>

The correct option is D.

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3 years ago

Julia and carl buy 2 sandwiches,1 salad,1piece of fruit and 2 drinks for lunch.They give the cashier 20.03.What coins and bills

Sergeeva-Olga [200]

Answer:

They would recieve cents as change.

Step-by-step explanation:

They bought 2 sandwiches, 1 salad, 1 piece of fruit and 2 drinks

Total = 6 items altogether

They gave cashier cash of 20.03

Which means all items are not more 20.03

If they would receive change, it would be in cents.

4 0

4 years ago

Ten times a number increased by eighty four equals 194. what is the number

steposvetlana [31]

Answer: x = 11

Step-by-step explanation:

10x+84=194

10x = "10 times a number"

+84 = "increased by eighty four"

=194 = "equals 194"

10x+84=194

Subtract 84

10x = 110

Divide by 10

x = 11

<em>Hope it helps <3</em>

4 0

3 years ago

Read 2 more answers

Which algebraic expression can be used to find the nth term in the following sequence?

Agata [3.3K]

Answer:

n+4 is the final answer.

8 0

3 years ago

The length of a rectangle is 1 ft less than twice the width, the area of the rectangle is 21 ft squared. What’s the length

guapka [62]

Answer:

The length of the rectangle is 6 feet

Step-by-step explanation:

Given as :

The length of rectangle is 1 feet less than twice the width

So, let The width of rectangle = w feet

The length of rectangle = ( 2 w - 1 ) feet

The area of the rectangle = 21 feet²

Now,

∵ The area of the rectangle = length × width

Or, 21 feet² = ( 2 w - 1 ) feet × w feet

or, 21 = 2 w² - w

or, 2 w² - w - 21 = 0

or, 2 w² + 6 w - 7 w - 21 = 0

or , 2 w ( w + 3 ) - 7 ( w + 3 ) = 0

or, ( w + 3 ) ( 2 w - 7 ) = 0

So, w = - 3 feet , $\frac{7}{2}$ feet

here we consider only positive value of w i.e $\frac{7}{2}$ feet

∴ The length of rectangle = ( 2 w - 1 ) feet

or, The length of rectangle = 2 × $\frac{7}{2}$ - 1

Or, The length of rectangle = 7 - 1 = 6 feet

Hence The length of the rectangle is 6 feet , Answer

3 0

3 years ago