Jorge's bowling score was 230 last week, but only 180 this week. What was the percent decrease in Jorge's score to the nearest percent? a) 128% b) 78% c) 28% d) 22%

Answers

Answer 1

Answer: find decrease first

230-180=50=decrase

percent decrease=decrease/original

50/230=0.21739=21.739% about 22%

ANSWER IS D

Answer 2

Answer: The answer is 22% because the other answers are two big

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A container holds a combination of dimes and quarters. There are 178 coins in all, and their total value is $29.80. The system of equations models this situation, where x is the number of dimes and y is the number of quarters.x+y=1780.1x+0.25y=29.8How many dimes and quarters are in the container?A.123 dimes and 55 quartersB.114 dimes and 64 quartersC.102 dimes and 76 quartersD.98 dimes and 80 quarters

What is,the answer to this problem

Answers

The key here is to remember that if the figures are "similar", then
each pair of corresponding sides has the same ratio. In both problems,
the pair of figures is similar. (It says so twice on the sheet.)

For the triangle in #1):

-- One pair of corresponding sides is 15yd and 9yd.
-- Their ratio is 15/9 = 5:3 .

-- The other pair of corresponding sides is 20yd and 12 yd.
-- Their ratio is 20/12 = 5:3 .

-- For each pair of corresponding sides, the one in the small triangle
   is 3/5 the size of the corresponding side in the big triangle.

-- The last pair of corresponding sides is 30yd and 'x' .
-- Their ratio is 5:3 .   'x' is 3/5 of 30yd.

For the quadrilateral in #3):
The figures are not both in the same position.
Compared to the smaller one, the bigger one is rotated
almost halfway around to the right.
The smaller one has the shortest side on the bottom, but
the bigger one has the shortest side almost on top.
So you have to be very careful about deciding which side of the
big one and which side of the small one are corresponding sides.
But the question does tell you that the drawings are 'similar', so
you know that each pair of corresponding sides has the same ratio.

-- One pair of corresponding sides is 12in (top of the big one)
      and 4in (bottom of the small one).
-- Their ratio is 12/4 = 3 .

-- Another pair of corresponding sides is 30in and 10in .
-- Their ratio is 30/10 = 3 .

-- Another pair of corresponding sides is 36in and 12in .
-- Their ratio is 36/12 = 3 .

-- For each pair of corresponding sides, the one in the small figure
   is 1/3the size of the corresponding side in the big figure.

-- The last pair of corresponding sides is 48in and 'x' .
-- Their ratio is 3 .  'x' is 1/3 of 48in .

Ted says that 3 tenths multiplied by 100 equals 300 thousandths . is he correct

Answers

No he is not correct because .3*100 would equal 30. This is because .3 is not a whole number it is less so multiplying it by a whole number would decreases the amount it would be like dividing 100 by 3.

No, he is not correct.

Further explanation

We can say this is a simple multiplication operation, which is one of four basic operations, i.e.,

addition,
subtraction,
multiplication, and
division.

The case we face is only a multiplication, not accompanied by another operation.

Ted said that 3 tenths multiplied by 100 equals 300 thousandths. Let's check the truth.

$\boxed{ \ 3 \ tenths = (3)/(10) \ or \ 0.3 \ }$

However, 3 tenths are a fraction less than 1 so if multiplied by 100 will produce a number that is less than 100.

We firmly say, 3 tenths multiplied by 100 do not equal 300 thousandths. Ted is not correct.

Let's calculate the correct result.

$\boxed{ \ (3)/(10) * 100 = ?\ }$

100 can be divisible by 10, or cross out zeros at 100 and 10.

$\boxed{ \ = 3 * 10 \ }$

Hence, the correct result is $\boxed{ \ (3)/(10) * 100 = 30 \ }$

Learn more

Explanations and an example of a question about the four types of number form brainly.com/question/4725342
10 times as many as 1 hundred brainly.com/question/572693
What 3 digits are in the units period of 4,083,817? brainly.com/question/558692

Keywords: Ted says, 3 tenths multiplied by 100, equals, 300 thousandths, . is he correct, 90, multiplication, basic operations, fractions, less than 1

Hi everyone!! Could someone write a real-world problem in which you could graph function? Thanks!! The best ne will win the title of the most brainliest!!

Answers

Madeline is on a diet. She exercises every day in order to lose some weight. she currently has 210 pounds. Make a graph with a number of pounds she loses and with the amount of time she takes (in months) to lose that weight.

Well,

The example I will use will be the relationship between the Celsius scale and the Fahrenheit scale.

The formula for the conversion between Fahrenheit and Celsius:

$F= (9)/(5) C+32$

We can immediately see that this is a linear equation if we substitute y for F and x for C.

$y= (9)/(5) x+32$

or

$f(x)= (9)/(5) x+32$

It is a line that has a y-intercept of (0,32), and has a slope of 9/5.

I have attached the line below.

a rectangle has a perimeter of 250 cm and a side length of L.write an equation for the area of the rectangle in terms of L. what is the greatest are possible, what are the dimensions. show all work

Answers

P=2W+2L
P=125+125
P=250
A=WL
A=62.5*62.5
A=3906.25

P=2W+2L
P=100+150
P=250
A=WL
A=50*75
A=3750

The expression 12g gives the number of kilometers a car can travel using g liters of gasoline. How far can this car travel on 5 1/2 liters of gasoline?

Answers

Answer:

66 km

Step-by-step explanation:

Given that

Number of km's traveled by a car using g liters of gasoline = 12g

Number of gallons of gas required to travel 12g kilometers = g

We have to find

How far this car can travel using $5 (1)/(2)$ or 5.5 liters of gasoline = x= ?

Now we can find this by substituting g= $5 (1)/(2)$ in the the above equation representing number of kilometers traveled by the car.

Number of km's traveled by a car using $5 (1)/(2)$ liters of gasoline = 12 ( $5 (1)/(2)$ )

x = 12 (5.5)

x= 66 km

So, the car travels 66km in 5.5 liters of gasoline

Substitute in 5 1/2 for g in the expression : 12g=12(5 1/2)=66

So, this car can go 66 kilometers on 5 1/2 liters of gasoline.

Subtract – 7x – 9 from - 4x2 + 3x – 5.

Answers

Answer:

-4x² + 10x + 4

Step-by-step explanation:

(-4x² + 3x - 5) - (-7x - 9)

-4x² + (3x - -7x) + (-5 - -9)

-4x² + (3x + 7x) + (-5 + 9)

-4x² + 10x + 4

Final answer:

To subtract – 7x – 9 from - 4x² + 3x – 5, we change the signs of all the terms in the second expression and then combine like terms. The final answer is -4x² + 10x + 4.

Explanation:

To subtract – 7x – 9 from - 4x² + 3x – 5, you simply replace the minus sign before the second expression (– 7x – 9) with a plus sign, and then change the signs of all the terms in that expression. This is analogous to the subtraction of scalars, where for example, 5–2 equals 5+(-2).

Thus, the expression becomes: -4x² + 3x - 5 + 7x + 9. Now, you simply combine like terms. The 3x and 7x can be combined to get 10x, and -5 and 9 can be combined to get 4. The final answer is -4x² + 10x + 4.

Learn more about subtraction of polynomials here:

brainly.com/question/32860813

#SPJ3

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