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3 years ago

What is 4/5 times 10?

Mathematics

2 answers:

Dmitry_Shevchenko [17]3 years ago

5 0

4/5 * 10

Multiply 10 to the numerator:

40/5

Divide:

8

raketka [301]3 years ago

3 0

4/5 × 10 = 4/5 × 10/1 = 40/5 = 8

First you convert 10 into a fraction by putting 1 as the denominator. Then multiply 10 by 4 to get 40 and 5 by 1 to get 5. Then divide both the numerator and denominator to get your quotient of 8

Answer: 8

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9x^3 + 45x^2 - 4x -20 ; x+5 synthetic division

almond37 [142]

9x² + 0x - 4
x + 5|9x³ + 45x² - 4x - 20
 9x³ + 45x² 
 -4x - 20
 -4x - 20
 0
The answer is equal to 9x² - 4.

3 0

4 years ago

50% of babies are born female. olive wants to find probability that 20 or more of the 50 babies born today were female.we need t

kakasveta [241]

Since the probability that 50% of the babies born are female, she could use any probability model that is 50/50.

For example, she could flip a coin. Or she could roll a die, using the even numbers for girls and odd numbers for boys.

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3 years ago

2. Find the value of x in the triangle. Round your answer to the nearest tenth of a degree. Show your work.

yarga [219]

Answer:

$\displaystyle 61,9° ≈ x$

Step-by-step explanation:

We have to determine which trigonometric ratio to use, depending on what is displayed for us, and we will be using the cotangent [or tangent] ratio, however, aside we are solving for an angle measure, we must use the inverse:

$\displaystyle cot^{-1}\: \frac{8}{15} ≈ 61,92751306° ≈ 61,9° \\ \\ OR \\ \\ tan{-1}\: 1\frac{7}{8} ≈ 61,92751306° ≈ 61,9°$

Extended Information on Trigonometric Ratios

$\displaystyle \frac{OPPOSITE}{HYPOTENUSE} = sin\:θ \\ \frac{ADJACENT}{HYPOTENUSE} = cos\:θ \\ \frac{OPPOSITE}{ADJACENT} = tan\:θ \\ \frac{HYPOTENUSE}{ADJACENT} = sec\:θ \\ \frac{HYPOTENUSE}{OPPOSITE} = csc\:θ \\ \frac{ADJACENT}{OPPOSITE} = cot\:θ$

I am joyous to assist you anytime.

3 0

3 years ago

-3 1/2 x + 3.5 - x + 6.25

Zolol [24]

The answer to the question is C

8 0

3 years ago

Read 2 more answers

Find the perimeter of the triangle with coordinates A(5,2), B(5,4), and C(1,1). Round to the nearest tenth.

faltersainse [42]

Answer:

11.1 units

Step-by-step explanation:

We solve for this using the formula when using coordinates (x1 , y1) and (x2, y2)

= √(x2 - x1)² + (y2 - y1)²

A(5,2), B(5,4), and C(1,1).

For AB = √(x2 - x1)² + (y2 - y1)²

= A(5,2), B(5,4)

= √(5 - 5)² +(4 - 2)²

= √ 0² + 2²

= √4

= 2 units

For BC = √(x2 - x1)² + (y2 - y1)²

= B(5,4), C(1,1)

= √(1 - 5)² +(1 - 4)²

= √ -4² + -3²

= √16 + 9

= √25

= 5 units

For AC = √(x2 - x1)² + (y2 - y1)²

A(5,2), C(1,1)

= √(1 - 5)² + (1 - 2)²

= √-4² + -1²

= √16 + 1

= √17

= 4.1231056256 units

The Formula for the Perimeter of Triangle = Side AB + Side BC + Side AC

= 2 units + 5 units + 4.1231056256 units

= 11.1231056256 units.

Approximately the Perimeter of a Triangle to the nearest tenth = 11.1units

4 0

3 years ago