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IceJOKER [234]
3 years ago
13

Please help me please

Mathematics
1 answer:
Anastaziya [24]3 years ago
8 0

Answer:

the answer is A ...........

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PLEASE FAST 40 POINTS
Semenov [28]

Answer:

\bold{\dfrac{11}{16}}

Step-by-step explanation:

Given four tiles with numbers:

1, 4, 5 and 8

Tile chosen once and then replaced, after that another tile chosen:

All possibilities are:

{(1, 1) ,(1, 4) ,(1, 5) ,(1, 8)

(4, 1) ,(4, 4) ,(4, 5) ,(4, 8)

(5, 1) ,(5, 4) ,(5, 5) ,(5, 8)

(8, 1) ,(8, 4) ,(8, 5) ,(8, 8) }

Total number of possibilities = 16

When the sum is greater than 7, the possibilities are:

{(1, 8)

(4, 4) ,(4, 5) ,(4, 8)

(5, 4) ,(5, 5) ,(5, 8)

(8, 1) ,(8, 4) ,(8, 5) ,(8, 8) }

Number of favorable cases = 11

Formula for probability of an event E is:

P(E) = \dfrac{\text{Number of favorable cases}}{\text {Total number of cases}}

Hence, the required probability is:

\Rightarrow \bold{\dfrac{11}{16}}

4 0
3 years ago
Read 2 more answers
5 . 3n<br><br> A. 15,30,45,60<br> B.5,15,45,135<br> C.0,15,45,135<br> D.15,45,135,405
TiliK225 [7]

Answer:

3n

Step-by-step explanation:

6 0
3 years ago
PLEASE HELPPPP<br> A Kite is a Parallelogram.<br> Always<br> Never<br> Sometimes
ipn [44]

Answer:

Never

Step-by-step explanation:

This statement is false because a kite is a quadrilateral that has two adjacent equal sides (upper side and lower side). In a parallelogram, two opposite sides are equal in measure.

3 0
2 years ago
Read 2 more answers
Ronald measured a house and its lot and made a scale drawing. The front patio, which is 14 meters wide in real life, is 7 millim
zhannawk [14.2K]

Answer:

2 metre= 1millimetre

Step-by-step explanation:

From the measurement of the house The front patio, is 14 meters wide in real life, is 7 millimeters wide in the drawing

Real life= 14 meters

Drawing= 7 millimeters,

The scale he used is 2 metre= 1millimetre

Which means he magnify the drawing by scale of 2 metre to get the real life structure.

✓Let us clarify it

14 meters = 7 millimeters

2 metre= x millimeter

If we cross multiply

7 millimeters× 2 metre= 14 metre × X millimeters

Make X subject of the formula we have

X= 1millimetres

3 0
3 years ago
Frank purchased a boat for $7,525. He made a down payment of $475. He applied for a six-year installment loan with an interest r
zhenek [66]

Answer:

$10,603.20

Step-by-step explanation:

You can calculate the simple interest of the loan using the formula:

I = prt, where I = interest, p = principal amount, r = interest rate and t = time.  Plugging in the values from the problem:

p = $7,050

r = 8.4% or 0.084

t = 6 years

I = (7050)(0.84)(6) = $3,553.20

To find the total cost of the boat, add the interest and the purchase price:

$7,525 + $3,553.20 = $11,078.20

8 0
3 years ago
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