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3 years ago

Help. Will give brainly if correct 50 points, No wrong answers.

Mathematics

2 answers:

ExtremeBDS [4]3 years ago

6 0

B and C are the answers

Aloiza [94]3 years ago

4 0

Answer:

b and c

Step-by-step explanation:

"In mathematical logic, the Law of Detachment says that if the following two statements are true:

(1) If p , then q .

(2) p"

If the following statements are true, use the Law of Detachment to derive a new true statement:

(3) q .

So,

If an object is square, then it's a rectangle. If it is a rectangle, the sum of the measures of it's integers angles is 360°. Therefore, if an object is square, then the sum of it's measures of it's integer angles is 360°. False a square and rectangle don't have the same measurement.

Odd numbers are not divisible by 2. sixty-five is an odd number. Therefore, 65 is not divisible by 2 is a true statement

If Mary makes at least 50 sales in a month, then her company will give her a $1000 bonus. Mary made 63 sales this month. She will receive a $1000 bonus. True, 63 is more than 50.

If John finishes his homework, then he'll go out with his friends. If John goes out with his friends, then they will go to the movies. Therefore, if John finishes his homework, then he will go to the movies. Incorrect John AND his friends will go to the movies, not just John.

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You have 42 ft. of fencing (1 ft. segments) to make a rectangular garden. How much should each side be to maximize your total ar

Verizon [17]

Answer:

$Length=10.5\ ft$

$Width=10.5\ ft$

$Area=110.25\ ft^{2}$

Step-by-step explanation:

Let

x----> the length of the rectangular garden

y---> the width of the rectangular garden

we know that

The perimeter of the rectangle is equal to

$P=2(x+y)$

we have

$P=42\ ft$

$42=2(x+y)$

simplify

$21=(x+y)$

$y=21-x$ ------> equation A

Remember that the area of rectangle is equal to

$A=xy$ ----> equation B

substitute equation A in equation B

$A=x(21-x)$

$A=21x-x^{2}$ ----> this is a vertical parabola open downward

The vertex is a maximum

The y-coordinate of the vertex is the maximum area

The x-coordinate of the vertex is the length side of the rectangle that maximize the area

using a graphing tool

The vertex is the point $(10.5,110.25)$

see the attached figure

$x=10.5\ ft$

Find the value of y

$y=21-10.5=10.5\ ft$

The garden is a square

the area is equal to

$A=(10.5)(10.5)=110.25\ ft^{2}$ ----> is equal to the y-coordinate of the vertex is correct

6 0

3 years ago

5. Ms. Lee has 220 students in all her classes. If her classes collected 2860 pounds of food, how many meals did each student pr

jarptica [38.1K]

Answer:

Each students provides 13 pounds of meal

Step-by-step explanation:

Total students in Ms. Lee class = 220

Total pounds of food collected = 2,860

how many meals did each student provide?

Meals provided by each student = Total pounds of food collected / total number of students

= 2,860 / 220

= 13 pounds

Each students provides 13 pounds of meal

Note: 1.2 pounds of food equals one meal

1.2 pounds : 1 meal = 13 pounds : x meals

1.2/1 = 13/x

1.2 * x = 1 * 13

1.2x = 13

x = 13 / 1.2

= 10.83 meals

Approximately 11 meals to the nearest number

Note:1 kilogram is 2.2 pounds

1 kg : 2.2 pounds = x kg : 13 pounds

1/2.2 = x / 13

1 * 13 = 2.2 * x

13 = 2.2x

x = 13/2.2

= 5.91 kilogram

Approximately x = 6 kilograms

3 0

3 years ago

The box plot shows ages of randomly sampled attendees at two different movies. Check all statements that apply to Movie A.

deff fn [24]

Answer:

Step-by-step explanation:

5 0

3 years ago

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25 POINTS PLEASE HELP I BEG YOU!!

Nezavi [6.7K]

Answer:

13 slices, 3/10 inches left.

Step-by-step explanation:

10 divided by 3/4 = 10 divided by .75

10 divided by .75 = 13.3

13 slices, .3 inches (3/10) leftover

3 0

2 years ago

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Ravi and his wife are each starting a saving plan. Ravi will initially set aside $125 and then add $40.75 every week to the savi

katen-ka-za [31]

Answer:

T = 125 +116.40N

Step-by-step explanation:

The total savings is the sum of the two plan values:

T = A + B

T = (125 +40.75N) +(75.65N) . . . . substitute the given formulas

T = 125 + (40.75+75.65)N . . . . . . .combine like terms

T = 125 +116.40N

7 0

2 years ago

Read 2 more answers