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3 years ago

Can someone help me with this?

Mathematics

2 answers:

Step2247 [10]3 years ago

6 0

the square root below is between the integers of 9 and 10

Step-by-step explanation:

9×9 is equal to 81

10*10=100

nadya68 [22]3 years ago

4 0

Answer:

Step-by-step explanation:

It is not E becuase SQRT(97) is less than SQRT(100), SQRT(100) is 10,

SQRT(81) is 9 SO SQRT(97) is between 9 and 10, C.

Hope it helps :)

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I need help on both of the question

garri49 [273]

Answer:

Step-by-step explanation:

1/2 times 5= 5/2= 2 1/2

3/4 times 8= 24/4= 6

1=5/2

2=24/4 or 6

6 0

2 years ago

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snow_tiger [21]

Answer:

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2 years ago

Barbara drives between Miami, Florida, and West Palm Beach, Florida. She drives 50 mi in clear weather and then encounters a thu

cluponka [151]

Answer:

Her speed driving in nice weather is 50 mph and in thunderstorm is 32 mph.

Step-by-step explanation:

Barbara drives 50 miles in clear weather and then encounters a thunderstorm for the last 16 miles.

Suppose, her speed in nice weather is $x$ mph.

As she drives 18 mph slower through the thunderstorm than she does in clear weather, so her speed in thunderstorm will be: $(x-18) mph$

We know that, $Time = \frac{Distance}{Speed}$

So, the time of driving in clear weather $=\frac{50}{x}$ hours

and the time of driving in thunderstorm $=\frac{16}{x-18}$ hours.

Given that, the total time for the trip is 1.5 hours. So, the equation will be......

$\frac{50}{x}+ \frac{16}{x-18}=1.5 \\ \\ \frac{50x-900+16x}{x(x-18)}=1.5\\ \\ \frac{66x-900}{x(x-18)}=1.5 \\ \\ 1.5x(x-18)=66x-900\\ \\ 1.5x^2-27x=66x-900\\ \\ 1.5x^2-93x+900=0\\ \\ 1.5(x^2 -62x+600)=0\\ \\ x^2 -62x+600=0\\ \\ (x-50)(x-12)=0$

Using zero-product property.........

$x-50=0\\ x=50\\ \\ and\\ \\ x-12=0\\ x=12$

We need to ignore $x=12$ here, otherwise the speed in thunderstorm will become negative.

So, her speed driving in nice weather is 50 mph and her speed driving in thunderstorm is (50-18) = 32 mph

3 0

2 years ago

Mortimer earns $595 a week, and he works 5 days a week. What is his daily wage?

Morgarella [4.7K]

You should calculate like this: 595/5= $119

6 0

3 years ago

Read 2 more answers

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marta [7]

the answer of this question is (-2,2)

8 0

2 years ago