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4 years ago

6

A scuba diver is 72 feet below sea level .As the diver rise he stops every 15 feet what integer tells his depth after the first

pause?

1 answer:

Ksju [112]4 years ago

8 0

The diver is at -72 because he is below sea level 0. He stops every 15 ft...After the first pause, he is at -72 + 15 = - 57

answer : -57

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A dinner plate fits snugly in a square box with perimeter 48 inches. what is the circumference of the plate

Tema [17]

Answer: The circumference of the circle is: "37. 7 in." ; or, write as:
" 12 $\pi$ in. " .
______________________________________________________
Explanation:
______________________________________________________
A square has all 4 (four) sides of equal length.

If the perimeter of the square = 48 inches;

the side length of each side of the square = "48 in. ÷ 4 = 12 in." ;

→ "12 in. = the diameter, "d", of the circle within the square" .

The formula for the Circumference, "C" , of a circle, is:

"C = $\pi$ * d " ;

C = $\pi$ * d ;

d = 12 in.

C = " 12 $\pi$ in. " ;

or; calculate the Circumference, "C", of the circle; using: "3.14" as an approximation for $\pi$ ;

C = $\pi$ * d ;

= (3.14) * (12 in.) ;

= 37.68 in. ; round to: "37. 7 in." .
_____________________________________________________
Answer: The circumference of the circle is: "37. 7 in." ; or, write as:
" 12 $\pi$ in. " .
_____________________________________________________

4 0

4 years ago

Finding surface area (picture provided)

katrin2010 [14]

Answer:

A

Step-by-step explanation:

Remember that triangle's area is 1/2 x b x h. But we have 2 congruent triangles so we have 2 x 1/2 x b x h. so the area of 2 triangles is b x h.

You should know the areas of other sides.

5 x 6 + 6 x 12 + 6 x 13 + 5 x 12

Simplify!

30+72+78+60

90+150

240

5 0

3 years ago

Read 2 more answers

3. Find the value of x in the diagram below<br>X<br>6 cm<br>5<br>4 cm<br>3 cm<br>R

vazorg [7]

Answer:

4cm is the correct answer

8 0

3 years ago

Find the area of the composite shape below.<br><br> a 66.8<br> b 91.92<br> c 101.12<br> d 101.6

Evgesh-ka [11]

Answer:

66.24 (This answer does not match to any of the options...)

Step-by-step explanation:

This shape can be divided into 2 different shapes. A triangle and a rectangle.

Area of a Triangle = $\frac{1}{2}$ × base × height

= $\frac{1}{2}$ × 8.8 × 7.8

= 34.32

Area of a Rectangle = Length × Width

= (19.2 - 7.8) × (8.8 - (3+3))

= 11.4 × 2.8

= 31.92

Total area = 34.32 + 31.92 = 66.24

3 0

3 years ago

Read 2 more answers

Adding school fairest 20% of the people are under 16 years old one third of the people remaining are teachers if there are 21 te

dedylja [7]

<span>In the fairest school 20% are below 16 years old
1/3 are teachers which is equals to = 21
Let’s start solving:
=> 1/3 of 100% = ( 100 / 3 = 33.33% )
thus 33.33% = 21
=> 21 x 3 = 63, is the total number of people in the school.
Let’s try solving the number of people below 16 years old
Then there are 20% of it:
=> 63 * .20 = 12.6
Thus, there are around 13 people who are 16 years old younger.</span>

4 0

4 years ago