MATHEMATICS MIDDLE SCHOOL

A number ,decreased by 15 equals 52. Find the number

Answers

Answer 1
Answer: N-15=52
 +15 +15
------------
n=67
that number equals 67
Answer 2
Answer: Add 15 to 52 to find the number.


52+15=67
67-15=52

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What is 16,473 to the nearest hundred

A Subway sandwich costs $5.56. The same sand which has 453 calories. a. Use unit rates to find the cost per calorie of the sandwich. Round to the nearest thousandth.

Answers

$5.56/ 453 calories= $0.01227/calorie.

Rounded to the nearest thousandth, the final answer is $0.012/calorie~

Which choices name a chord of circle F? Choose all answers that are correct. A. B. C. D.

Answers

Choices:
a) AD
b) BE
c) CF
d) DF

Chord of a circle is a straight line segment that is has both end points lying on the circle or its curve.

Diameter is a chord of a circle. 

The chord of circle F are: AD, BE, and DE.

Among the choices, Choice A and Choice B are the chords of circle F.
 

The radius of a basketball is about 3.6 times greater than the radius of a tennis ball. How many times greater is the volume of a basketball than the volume of a tennis ball. (note: the volume of a sphere is v= 4/3 pi r cubed

Answers

let's take radius of the basket ball as b
let's take radius of the tennis ball as t
b = 3.6 t

volume of the basket ball vb = 4/3 pi b^3
volume of the tennis ball vt = 4/3 pi t^3

therefore
vb / vt = b^3 / t^3
           = (3.6t)^3 / t^3
           = 3.6^3
           = 46.656

so the volume of the basketball is 46.656 times greater than the volume of the tennis ball.

Round 7526.442 nearest hundredth

Answers

.0 <- tenth
.00 <- hundredth

So:

7526.44
7526.442
      2>5
7526.44
     

7526.44 is your answer

Heather wants to buy a new refrigerator, but she only has room for one that is 18 ft3 or less. Which set of dimensions represent a refrigerator that Heather can buy?

Answers


As soon as I read the words "which set" in your question, I knew that
there's a list of choices on the sheet where you copied the question
from, but that you didn't copy the list along with the question.

All I can tell you is this: 
Find a choice where, when you multiply all three dimensions together,
the product is 18 ft³ or less.  That choice is a set of dimensions that
represents a refrigerator that will fit in Heather's kitchen. 

(For all I know, there may be more than one suitable choice on the list that
you didn't include with the question, so you'd better check all of them.)

Answer:

the answer is a

A) 2 ft. wide x 2.5 ft. long x 3 ft. tall  

B) 2 ft. wide x 2.5 ft. long x 4.5 ft. tall  

C) 2.5 ft wide x 3 ft. long x 4 ft. tall  

D) 2.5 ft. wide x 2 ft. long x 4 ft. tal

Step-by-step explanation:

2 ft. wide x 2.5 ft. long x 3 ft. tall because 2 x 2.5 x 3 = 15 ft3, which is less than 18 ft3.

Mr.Kent teaches 7 classes that are each 50 minutes long.he Lao has a 30-minute lunch break.how much time does mr.kent spend teaching class and at lunch?

Answers

7*50+30 which equals 380

Answer:

380 minutes

Step-by-step explanation:

7*50 = 350  + 30 = 380 minutes

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