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Ivan
3 years ago
15

HELP AGAIN PLEASE THANK YOU

Mathematics
2 answers:
Ira Lisetskai [31]3 years ago
8 0

A. \: 10 \sqrt{11} ✅

Step-by-step explanation:

( \sqrt{22} )(5 \sqrt{2} ) \\  = 5 \sqrt{22 \times 2}  \\  = 5 \sqrt{2 \times 2 \times 11}  \\  = 5 \sqrt{ {2}^{2} \times 11 }  \\  = 5 \times 2 \sqrt{11}  \\  = 10 \sqrt{11}

\bold{ \green{ \star{ \orange{Hope\:it\:helps.}}}}⋆

juin [17]3 years ago
7 0

Answer:

A. 10/11

Step-by-step explanation:

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PLS HURRY!!
just olya [345]

Answer:

<em>B) Kara's highest speed was between 30 and 35 minutes.</em>

Step-by-step explanation:

A zero slope (horizontal line) means a stopped car with zero speed.

The higher the slope, the steeper the line, the higher the speed.

Let's look at the options.

a) The car was stopped between 10 and 15 minutes, not 20. False.

b) Between 30 and 35 min, the graph shows the steepest slope, so this statement is True.

c) False, since here slope is not steepest.

d) Between 5 and 10 minutes, the graph is a straight line, so speed was constant. False.

6 0
3 years ago
1/2 of garden is tomatoes and 1/3 of the garden is carrots. How much of the garden is tomatoes and carrots
jeka57 [31]

Answer:

1/2= 3/6 and 1/3= 2/6

Step-by-step explanation:


4 0
4 years ago
Read 2 more answers
A friend of mine is giving a dinner party. His current wine supply includes 9 bottles of zinfandel, 7 of merlot, and 11 of caber
Mashutka [201]

Answer: a) 783 ways; b) 593775 ways

Step-by-step explanation:

a) Your friend wants to select 3 zinfandel out of 9 from the supply in a particular order, which means:

P_{n,r} = \frac{n!}{(n-r)!}

P_{9,3} = \frac{9!}{(9 - 3)!}

P_{9,3} = \frac{9.8.7.6!}{6!}

P_{9,3} = 783

In the dinner party, the friend will have 783 ways of serving the zinfandel.

b) Now, your friend want to select 6 bottles out of 30 in no particular order and randomly selected. So:

C_{n,r} = \frac{n!}{r!(n - r)!}

C_{30,6} = \frac{30!}{6!.24!}

C_{30,6} = \frac{30.29.28.27.26.25.24!}{6.5.4.3.2.1.24!}

C_{30,6} = 593775

If you select 6 bottles randomly from 30, you will have 593775 ways of doing it.

6 0
3 years ago
Predict how many times you will roll a number less than 3 if you roll a standard number
Korvikt [17]

Answer:

about 117 times

Step-by-step explanation:

No. of possible outcomes of a cube: 6

2 out the 6 possible outcomes are less than 3,

and therefore, No. of favorable outcome: 2

P(less than 3)= No. of favorable outcome / No. of possible outcomes

                     =2/6 => 1/3

if you roll a standard number  cube 350 times then,

Prediction= number of rolls x (P(less than 3))

                =350 x 1/3

                ≈117 times.

4 0
3 years ago
The length of a rectangle is twice its width. Given the length of the diagonal is $5\sqrt{5}$, find the area of the rectangle.
lianna [129]

Answer: Area of rectangle is 50 square units.

Step-by-step explanation:

Since we have given that

Diagonal of the rectangle = 5√5

Let the width of rectangle be 'x'

Let the length of rectangle be '2x'

As we know the formula for diagonal of rectangle:

5\sqrt{5}=\sqrt{l^2+w^2}\\\\(5\sqrt{5}})^2=(2x)^2+x^2\\\\125=4x^2+x62\\\\125=5x^2\\\\\dfrac{125}{5}=x^2\\\\25=x^2\\\\x=\sqrt{25}\\\\x=5\ units

So, Length of rectangle be 2x=2×5=10 units

And the area of the rectangle is given by

Area=Length\times width\\\\Area=10\times 5\\\\Area=50\ sq.\ unit

Hence, area of rectangle is 50 square units.

5 0
3 years ago
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