3 years ago

Seventh grade > DD.7 Compound events: find the number of outcomes HZR

Mathematics

1 answer:

mario62 [17]3 years ago

3 0

Sjsisusuahsjejejeej c

You might be interested in

The sum of three numbers is 121 The third number is 3 times the second. The first number is 6 times the second. The first number

Mama L [17]

Answer:

The first number is

72.6

Step-by-step explanation:

Let second number be x.

First number= 6x

Third number= 3x

According to question,

6x+x+3x=121

or, 10x=121

or,x=121/10=12.1

First number= 6x=6×12.1=72.6

Third number=3x=3×12.1=36.3

3 0

2 years ago

Read 2 more answers

Select the correct answer. For what value of x is sin x = cos 19º, where 0°< x < 90°? OA. 38° ° O B. 71° OC. 26° O D. 19°

Lerok [7]

Answer:

x = 71°

Option B is correct answer.

Step-by-step explanation:

We need to find for what value of x is $sin\: x = cos 19^{\circ}$ , where 0°< x < 90°?

Solving:

$sin\: x = cos\: 19^{\circ}\\Finding \:cos\: 19^{\circ}=0.94551\\Putting\:value:\\sin\:x=0.94551\\Now\:taking\:sin\:inverse\\x=sin^{-1}(0.94551)\\x=71^{\circ}$

So, we get x = 71°

Option B is correct answer.

5 0

2 years ago

Helpp meee pleaseeee

ludmilkaskok [199]

Answer:

I think its b:/ srry if I'm wrong

5 0

2 years ago

Read 2 more answers

100 times 100 times 100 times 100 times 100 times 4000

Molodets [167]

(100^5) * 4000 = 10000000000 * 4000 = <span>4 * 10^13</span>

4 0

2 years ago

Read 2 more answers

The expression 12x+15x-11x can be combined because of which property

Kazeer [188]

The answer would be A. Commutative property of addition

7 0

2 years ago

Read 2 more answers