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3 years ago

PLEASE HELP ME WITH #8 ASAP GOD BLESS YOU IF YOU DO!!!

Mathematics

1 answer:

AURORKA [14]3 years ago

7 0

Answer:

a) any amount that isn't 1.5

b) 1.5

c) y = x/4 - 0.5

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A pair of dice is rolled, and the sum of the numbers is either 7 or 11. What is the probability of this event?

AfilCa [17]

Answer: $\dfrac{2}{9}$

Step-by-step explanation:

Let A be the event that the sum is 7 and and B be the event that the sum is 11 .

When two pair of dices rolled the total number of outcomes = $n(S)=6\times6=36$

The sample space of event A ={(1,6), (6,1), (5,2), (2,5), (4,3), (3,4)}

Thus n(A)= 6

The sample space of event B = {(5,6), (6,5)}

n(B)=2

Since , both the events are independent , then the required probability is given by :-

$P(A\cup B)=P(A)+P(B)\\\\=\dfrac{n(A)}{n(S)}+\dfrac{n(B)}{n(S)}=\dfrac{6}{36}+\dfrac{2}{36}=\dfrac{8}{36}=\dfrac{2}{9}$

Hence, the required probability = $\dfrac{2}{9}$

7 0

3 years ago

Read 2 more answers

Find the surface area of the prism. 2 in. 2 in. 6 in.

Kay [80]

Answer:

56 m^2

Explanation: L=2, H=2, W=2, d = 6.63324958 m, TSA = 56 m^2, LSA = 48 m^2, TSA = 4 m^2, BSA = 4 m^2, V = 24 m^3

8 0

3 years ago

A scale model of a rectangular building lot measures 7 feet by 5 feet. If the actual house will be built using a scale factor of

eimsori [14]

Answer:

The area of the actual building lot is $5,040\ ft^2$

Step-by-step explanation:

Scaling

The scaled rectangular building measures 7 feet by 5 feet. We know both magnitudes were scaled by a factor of 12, thus the real dimensions of the house to be built are 7*12=84 feet, and 5*12=60 feet.

The area of the actual building lot is calculated by:

$A=84\ ft*60\ ft=5,040\ ft^2$

The area of the actual building lot is $5,040\ ft^2$

4 0

3 years ago

Find the product. (2p + 7)(3p - 9)

Yakvenalex [24]

I think the answer might be 6p^2+3p-63

6 0

3 years ago

Select all of the angles that are congruent to <5 plzzz helppp

kirill115 [55]

Answer:

Options A, D and F

Step-by-step explanation:

From the picture attached,

lines 'l' ad 'm' are the parallel lines and line 't' is a transversal intersecting each line at two different points.

From the angles formed at the points of intersection,

∠5 ≅ ∠8 [Vertical angles]

∠5 ≅ ∠4 [Alternate interior angles]

∠5 ≅ ∠1 [Corresponding angles]

Therefore, Options A, D and F will be the correct options.

5 0

4 years ago