MATHEMATICS MIDDLE SCHOOL

Anthony had $280.  Johnnie had $420.  What is the ratio of Anthony's money to Johnnie's money?

Answers

Answer 1
Answer: Do you know how to use a ratio table??

its pretty much like simplifying fractions:

so 280:420, and then we want to divide both sides by 280, resulting in a 1:1.5 ratio. 
your final answer is...

1:1.5 (or one to one and a half ratio)
Answer 2
Answer: 2:3  / 2
1:1.5 is the answer

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Two more than 16 times a number is the same as 21 less than the product of -7 and the number help plz
How could you use 5×6=30 to find the product of 6×6
Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used.Match the angle measures with the value of x in each triangle. 46 1240 60° 75°

The mean temperature change is 3.2 fahrenheit per day for 5 days. What is the total change over the 5-day period?

Answers

mean = total change/ number of days
3.2 = total change/ 5
total change = 3.2 x 5 = 16 fahrenheit

If a plane is cruising at an altitude of 30,000feet wants to land at O'Hare, it must begin

its decent so that the angle of depression to

the airport is 7º. How many miles from the

airport must the plane begin to descend?

Answers

Answer:

244,330 feet

Step-by-step explanation:

Please refer to the image attached for explanations

Some workers at a zoo built a new platform in the water for the seals. The perimieter of theplatform was 60 feet.Which could be the dimensions of the platform for the seals?
36 ft 24 ft
18 ft 12 ft
10 ft 6 ft
12 ft 5 ft

Answers

It would be 18 ft by 12 ft because P=L+L+W+W, which 18+18 is 36 and 12plus 12 is 24. 24 and 36 ft combined is 60 ft.

Find the next term in this arithmetic sequence...

Answers

Answer:

- 11/4

Step-by-step explanation:

(-3/2) - (5/4) = - 11/4

A Ferrari drove 300 kilometers in one and a half hours. How fast was the car going?

Answers

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Calculate the perimeter and area of the following square if a= 19

Answers

we are given

Area:

side=a=19

we know that

area of square = side*side

Area=a*a

now, we can plug value

and we get

Area=19*19

Area=361

Perimeter:

perimeter=4a

perimeter=4*19

perimeter=76

Formula for perimeter of a square: P = 4a

Formula for area of a square: A = a²

a is given as:

19

Plug this value for a into the above formulas to solve for perimeter and area.

P = 4a

P = 4(19)

P = 76

-----------------------------------------------------------------------------------------------------------------

A = a²

A = 19²

A = 361

Answer:

P = 76 units; A = 361 units².
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