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Ierofanga [76]
3 years ago
11

I NEED HELPIM NO GOOD AT RATESI CANT GO ONE TILL THIS IS ANSWER

Mathematics
2 answers:
Murrr4er [49]3 years ago
8 0

Answer : The correct option is, (A) 7 hours 42 minutes

Explanation :

Average speed : It is defined as the ratio total distance to total time.

Formula used :

\text{Average speed}=\frac{\text{Total distance}}{\text{Total time}}

As per question,

Total distance traveled = 492.8 mile

Average speed = 64 mile/hour

Now put all the given values in the above formula, we get:

\text{Average speed}=\frac{\text{Total distance}}{\text{Total time}}

64mile/hour=\frac{492.8mile}{\text{Total time}}

\text{Total time}=\frac{492.8mile}{64mile/hour}

\text{Total time}=7.7hour

As we know that, 1 hour has 60 minutes.

7.7 hours

= 7 hr + 0.7 hr

= 7 hr + 0.7 × 60 min

= 7 hr + 42 min

\text{Total time}=7\text{ hour }42\text{ minute}

Therefore, the the take them to reach their destination will be, 7 hours 42 minutes.

goblinko [34]3 years ago
6 0

Answer:

I believe its d bc if you divide the distance by speed you get that

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56,927.34 in expanded form
DanielleElmas [232]

Answer:

Step-by-step explanation:

Standard Form:

56,927.34

Expanded forms can be written like a sentence or stacked for readability as they are here.

Expanded Notation Form:

50,000  

+6,000  

+900  

+20  

+7  

+0.3

+0.04

Expanded Factors Form:

 5 ×10,000  

+ 6 ×1,000  

+ 9 ×100  

+ 2 × 0  

+ 7 ×1  

+ 3 ×0.1

+ 4 ×0.01

Expanded Exponential Form:

5 × 104

+ 6 × 103

+ 9 × 102

+ 2 × 101

+ 7 × 100

+ 3 × 10-1

+ 4 × 10-2

5 0
3 years ago
Read 2 more answers
URGENT! PLEASE HELP.
uysha [10]

Answer: a) BC = 1386.8 ft

b) CD = 565.8 ft

Step-by-step explanation:

Looking at the triangle,

AD = BD + 7600

BD = AD - 7600

Considering triangle BCD, we would apply the the tangent trigonometric ratio.

Tan θ = opposite side/adjacent side. Therefore,

Tan 24 = CD/BD = CD/(AD - 700)

0.445 = CD/(AD - 700)

CD = 0.445(AD - 700)

CD = 0.445AD - 311.5 - - - - - - - -1

Considering triangle ADC,

Tan 16 = CD/AD

CD = ADtan16 = 0.287AD

Substituting CD = 0.287AD into equation 1, it becomes

CD = 0.445AD - 311.5

0.287AD = 0.445AD - 311.5

0.445AD - 0.287AD = 311.5

0.158AD = 311.5

AD = 311.5/0.158

AD = 1971.52

CD = 0.287AD = 0.287 × 1971.52

CD = 565.8 ft

To determine BC, we would apply the Sine trigonometric ratio which is expressed as

Sin θ = opposite side/hypotenuse

Sin 24 = CD/BC

BC = CD/Sin24 = 565.8/0.408

BC = 1386.8 ft

4 0
3 years ago
Which model represents the factors of x^2 + 9x+8?​
grandymaker [24]

Answer:

Step-by-step explanation:

x² + 9x+8 = (x+1)(x+8)

6 0
3 years ago
What is the perimeter of this shape?
Korvikt [17]

Answer:

59.4 km

Step-by-step explanation:

First you need to find the circumference of the circle. 20*3.14=62.8. Then, you divide this by two, because there is only half of a circle, to get 31.4.

Then you can just add 16 + 12 + 31.4 to get 59.4.

6 0
3 years ago
Please help!<br> 5x^2 - 3x - 2 = 0<br> Solve using the zero-factor property.
Alex

Answer:

x = -2/5

x = 1

Step-by-step explanation:

5x² - 3x - 2 = 0

(5x + 2)(x - 1) = 0

⇒ 5x + 2 = 0

⇒ 5x = -2

⇒ x = -2/5

⇒ x - 1 = 0

⇒ x = 1

7 0
2 years ago
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