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3 years ago

Please help me lol..

Mathematics

1 answer:

Sedbober [7]3 years ago

5 0

Answers and Explanation:

So I'm not sure about this at all since you probably already know:

For number 9, the rule would be that it "Multiplies by -3" or however you would write that (I haven't done this in a while.) This is because 7×-3=-21, -21×-3 is 63, and so on.

For number 10, the rule would be "It Multiplies by 3" for the same reason.

Sorry that this probably wasn't helpful because I don't know too much about the terms.

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Which is the best estimate for the area of the figure above?

nekit [7.7K]

Answer:

So I'd say 20in^2 or 22in^2.

Step-by-step explanation:

I decided to make it into a full pentagon shape to just estimate.

So a pentagons sides are all equal so I counted the amount in boxes on the sides of the regular shape and most of them would be 3.5 if you changed the shape into a pentagon.

And I got:

--> 21.076

5 0

3 years ago

Read 2 more answers

What is the answer to this? −1.3≥2.9−0.6r

Karolina [17]

Answer:

Inequality Form:

r ≥ 7

Interval Notation:

[7, ∞)

Step-by-step explanation:

−1.3 ≥ 2.9 − 0.6r

Rewrite so r is on the left side of the inequality.

2.9 − 0.6r ≤ −1.3

Move all terms not containing r to the right side of the inequality.

Subtract 2.9 from both sides of the inequality.

−0.6r ≤ −1.3 − 2.9

Subtract 2.9 from −1.3.

−0.6r ≤ −4.2

Divide each term by −0.6 and simplify.

Divide each term in −0.6r ≤ −4.2 by −0.6. When multiplying or dividing both sides of an

inequality by a negative value, f lip the direction of the inequality sign.

−0.6r /−0.6 ≥ −4.2 /−0.6

Cancel the common factor of −0.6.

−4.2

r ≥ ______

−0.6

Divide −4.2 by −0.6.

r ≥ 7

The result can be shown in multiple forms.

Inequality Form:

r ≥ 7

Interval Notation:

[7, ∞)

6 0

3 years ago

What is the value of x? Enter your answer in the box. x =

Triss [41]

Answer:

x = 4.1

Step-by-step explanation:

6x-3 + 3x+6 + 5x = 60

14x + 3 = 60

14x = 60 - 3

14x = 57

x = 57/14

x = 4.1

4 0

3 years ago

A standard deck of cards contains 52 cards. The cards have 4 different suits: clubs, diamonds, hearts, and spades. For each suit

Taya2010 [7]

Answer:

a. 108336, b. 480200

Step-by-step explanation:

a. No. of ace cards = 4

No. of non ace cards= 48

We draw 5 cards

So,

No. of ways of 2 aces = C(4,2) C(48,3)

No. of ways of 3 aces = C(4,3) C(48,2)

No. of ways of 4 aces = C(4,4) C(48,1)

Hence

No. of ways of 2 or more aces

= C(4,2) + C(48,3) + C(48,3) + C(4,3)C(48,2) +C(4,4)C(48,1)

= 6(17296) + 4(1128) + (48)

= 108336

b. No of ways any 5 cards can be chosen = C(52,5)

No. of ways kings of diamonds or queen of hearts is chosen = C(50,5)

Hence

No. of ways of choosing king of diamonds, queen of hearts or both = C(52,5) – C(50,5)

= 480200

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3 years ago

Which has a greater slope, a horizontal line or a vertical line?

AfilCa [17]

Answer:

Step-by-step explanation:

The slope of a vertical line is undefined

The slope of a horizontal line is 0

6 0

3 years ago