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3 years ago

6

Bob is training for a race,Bob ran 14.6 miles away from his home,then Bob ran9.8miles toward his home, finally Bob ran 5.3miles

away from his home. How far is Bob from his home?

2 answers:

Step2247 [10]3 years ago

6 0

Answer:

The answer is 10.1 miles

miss Akunina [59]3 years ago

3 0

14.6-9.8+5.3=<span>10.1 miles</span>

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vredina [299]

Given:

The area model for $2.1\times 3.2$ .

To find:

The value of $2.1\times 3.2$ and the missing values in the area model.

Solution:

2.1 can be written as 2 and 0.1 on the left side of the area model.

3.2 can be written as 3 and 0.2 on the top of area model.

Area of the four parts of the area model are:

$2\times 3=6$

$2\times 0.2=0.4$

$0.1\times 3=0.3$

$0.1\times 0.2=0.02$

The complete area model is shown below.

After adding all areas of the area model, we get

$6+0.4+0.3+0.02=6.72$

Therefore, the value of $2.1\times 3.2$ is 6.72 and the missing values of the area model are 0.3 and 0.02 respectively.

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2 years ago

Q1.The cost of $16.50 for the music was reduction of 12% on the original cost.

NNADVOKAT [17]

Q1) £16.50 x 1.12 = £18.48
Q2)

2+9+1= 12
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213/12 = 17.75
2x17.75 = 35.5 (music)
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1x17.75 = 17.75 (books)

So it’s 159.75 minutes for the films to download

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3 years ago

Paul high earns $5.00 an hour working part-time at an auto parts store he work 16 hours per week. What is his gross pay each wee

Nataly [62]

Answer:

$80

Step-by-step explanation:

$5 per hour, then for 16houurs. 5*16=80

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3 years ago

A culture started with 3000 bacteria. After 2 hours it grew to 3300 bacteria. Predict how many bacteria will be present after 16

bixtya [17]

Answer:

$6,430\ bacteria$

Step-by-step explanation:

we have a exponential function of the form

$y=a(1+r)^{x}$

where

y is the population of bacteria

a is the initial value

r is the rate of growth

x is the number of hours

we have

a=3,000 bacteria

$y=3,000(1+r)^{x}$

For x=2, y=3,300

substitute

$3,300=3,000(1+r)^{2}$

$(3,300/3,000)=(1+r)^{2}$

Apply square root both sides

$1+r=\sqrt{3.3/3}$

$r=\sqrt{3.3/3}-1$

$r=0.0488$

$r=4.88\%$

substitute in the equation

$y=3,000(1+0.0488)^{x}$

$y=3,000(1.0488)^{x}$

<u><em>Predict how many bacteria will be present after 16 hours</em></u>

For x=16 hours

substitute

$y=3,000(1.0488)^{16}$

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3 years ago

What is the greatest factor of -2x?

Sveta_85 [38]

Answer:

this is prime

Step-by-step explanation:

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3 years ago