How are the values of the two 4s related in .044

Answers

Answer 1

Answer: They are realated because you need 4 40s to make 40

Answer 2

Answer:
they are both behind the decimal point

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18 × (-2) ÷ 5 =

(Enter answer in decimal form.)

Answers

18×-2÷5
18×-2= -36
-36/5= -7.2

Tickets to the zoo cost $14 for adults and $10 for children. A group of 12 people went to the zoo, and the tickets cost $140. The system of equations models this situation, where x is the number of adults and y is the number of children.x+y=12
14x+10y=140
How many adults and how many children were in the group?

A.
5 adults and 7 children

B.
6 adults and 6 children

C.
7 adults and 5 children

D.
8 adults and 4 children

Answers

x is the number of adults and y is the number of children.
x + y = 12
14x + 10y = 140
lets multiply the first equation by -10 and then add it to the second equation:
-10x - 10y = -120
14x + 10y = 140
-----------------------
4x + 0 = 20
x = 20/4
x = 5
then substitute in the original equation:
x + y = 12
5 + y = 12
y = 12 - 5
y = 7
therefore there were 5 adults and 7 children

How do you use the order of operations to evaluate expressions with exponents

Answers

Exponents come 2nd in line for PEMDAS (order of operations).

Once you finish the parenthesis, you move on to the exponents.

Which person payed the least amount per gallon to fill up their gas tank?A) 15 gallons at $48.25
B) 18 gallons at $57.80
C) 16 gallons at $51.20
D) 17 gallons at $54.29

Answers

Answer:

A, $723.75

Step-by-step explanation:

A= 723.75

B= 1,040.40

C= 819.20

D= 922.93

Answer: A) 15 gallons at $48.25

What is true regarding chords and diameters of circles?A. both cords and diameters have two endpoints on a circle. Diameters must intersect the center of a circle.

B. both chords and diameters have two endpoints on a circle. Chords must intersect the center of a circle

C. Chords have two endpoints on a circle. Diameters have one endpoints on a circle and one at the center

D. Chords have one endpoint on a circle and one at the center. Diameters have two endpoints on a circle

Answers

Answer:

The correct answer is A.

Step-by-step explanation:

The only way to answer this question is to check the definitions of chord and diameter.

A chord is a segment with endpoints on the circle. In the attached figure the segments CD and GH are chords.

Now, notice that according to the given definition the segment EF is also a chord, but with the special characteristic that the center of the circle, denoted by A, it is on the segment. This ‘‘special’’ chords that contains the center of the circle are called diameter.

Sometimes the diameters are also called the larger of the chords.

the answer choice will be A

What is the answer to this question

Answers

x = 4 y = - 3

Substitute x for 4 and y for - 3

x² - 4y
2

4² - 4 *(- 3)
2

16 - ( - 12 )
2

16 + 12
2

28 = 14
2

Solution: 14

$(x^2-4y)/(2) = (4^2-4*(-3))/(2) = (16+12)/(2) = (28)/(2) =14$

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Another one I need help in asap