MATHEMATICS HIGH SCHOOL

A diver is swimming at an elevation of -40 feet relative to sea level. The sea floor is 2 3/4 times deeper than the diver: What is the elevation of the sea floor relative to sea level?

Answers

Answer 1
Answer:

Answer:

-110 feet

Step-by-step explanation:

the elevation of the sea floor relative to sea level can be found by muktiplying the divers elevation by the given factor

to calculage the elevation of the sea floor, we first need to find the elebation of the diber relativeto sea level. Given that the diver's elevation is -40 feet, we can use this as our starting point.

to find the elevation of the sea floor level, we multiply the divers elevation ny 1 3/4. Let's convert 2 3/4 to make an improper fraction to make the calculation easier

2 3/4 is equivalent to (2*4+3) / 4= 11

-40* 11/4 = 440/4 = -110 feet.

therefore the elevation of the sea level is -110 feet

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The product of two integers is 50. one integer is twice the other. find the integers.

Answers

(1) -5*(-10)=50
(2) 5*10=50
use what they are telling. 

a*b=50 (one integer times the other give you a product of 50. we're randomly calling these integers "a" and "b")

2a=b (one integer is twice the amount of the other. we're randomly selecting "b" to be twice the amount of "a")

plug in what we know 

a*(2a)=50 (we replaced "b" with "2a" because we know from the info they gave us that b=2a)

now solve for "a"

a*2a=50
2a²=50
a²=50/2
a²=25
√a²=√25
a=5

which because 2a=b we know that b=10 

Anna and Bill share a 16-ounce box of cereal. By the end of the week, Anna has eaten 5
8
of the box, and Bill has eaten
1
4
of the box of cereal. How many ounces are left in the box?

Answers

Answer:

2 ounces

Step-by-step explanation:

1 = 5/8 - 1/4 = 1/8

16 x 1/8 = 2 oz

Answer:

2 ounces left

Step-by-step explanation:

if anna ate 5/8 of the box, and Bill has eaten 1/4 of the box, then in total they’ve eaten 7/8 if the box (1/4 turns into 2/8 + 5/8)

1/8 of the box is left and 1/8 of 16 is 2. so 2 ounces would be left

If x = -3, then x 2-7x + 10 equals

Answers

Answer: 40

Step-by-step explanation: x=−3

(−3)2−(7)(−3)+10

(−3)2−(7)(−3)+10

=40

A quadratic equation is written in four equivalent forms below. I. y = (x - 1)2 - 49 II. y = x2 - 2x - 48 III. y = (x + 6)(x - 8) IV. y = x(x - 2) - 48 Which of the forms shown above would be the most useful if attempting to find the x-intercepts of the quadratic equation?

Answers

The x-intercept also known as the root of a quadratic can be found by solving the equation with respect to x.

III is the most useful for finding the roots
you would simply equate each term to 

So y= x + 6                               AND                    y= x - 8        
     0= x + 6                                                           0= x - 8
      x= -6                                                                x= 8
 
: . x-intercepts are x= -6 & x= 8

Which is the correct graph of the equation y=-1/3x+5

Answers

Answer:

x=15 i think but im pretty sure

Step-by-step explanation:

Eu nao sei sb sou burro e vim procurar ajuda mais n estou conseguindo nessa aq

Answers

Answer:

all of em

Step-by-step explanation:
Idk this sorry I can’t help
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