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3 years ago

6

A tourist calculated that if he walks to the railroad station with a speed of 4 mph, he’ll miss the train by half an hour, but i

f he walks with a speed of 5 mph, he’ll reach the station 6 minutes before the departure of the train. What distance does the tourist have to cover?

1 answer:

Levart [38]3 years ago

3 0

He has to cover 6 km in distance, good luck!

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50/63

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What is 1/2 X (6 X 4)+3 + 2 Please show your work

exis [7]

Answer:

<h2>17</h2>

Step-by-step explanation:

Use PEMDAS:

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E Exponents (ie Powers and Square Roots, etc.)

MD Multiplication and Division (left-to-right)

AS Addition and Subtraction (left-to-right)

$\dfrac{1}{2}\times\underbrace{(6\times4)}_{1}+3+2\\\\=\underbrace{\dfrac{1}{2}\times24}_{2}+3+2\\\\=12+3+2=17$

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3 years ago

What is 12a equal to if 4a plus 6b = 10 and 2a-4b=12?

hram777 [196]

12a=x
4a+6b=10
2a+3b=5
2a-4b=12
a-2b=6
2a+3b+1=a-2b
a+5b+1=0
a=-1-5b

2(-1-5b)+3b=5
-2-10b+3b=5
-2-7b=5
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Can someone please answer this question please answer it correctly please show work

Zina [86]

Answer:

34) A

35) C

36) D

Step-by-step explanation:

34) The perimeter of a triangle is equal to the sum of the lengths of its sides

Sides: (6.2p + 4.5q) + (3.4p - 0.7r) + (2.9r - 4.1q)

Combine like terms (same variables)

(6.2p + 3.4p) + (4.5q - 4.1q) + (2.9r - 0.7r)

9.6p + 0.4q + 2.2r

A

35)

Time possibilities

1 hour - $3 - $5 = $-2 No

2 hours - $6 - $5 = $1 Yes

3 hours - $9 - $5 = $4 Yes

4 hours - $12 - $5 = $7 Yes

5 hours - $15 - $5 = $10 Yes

6 hours - $18 - $5 = $13 Yes

7 hours - $21 - $5 = $16 Yes

8 hours - $24 - $5 = $19 No

9 hours - $27 - $5 = $22 No

The possible hours that Ms. Barnes can park are 2 - 7 hours

The only inequality graph that represents all of these values is C

36)

<h3> $(-\frac{4}{7}) / (-\frac{3}{4}) * (-2\frac{1}{3})$ </h3>

Convert to improper fractions

<h3> $(-\frac{4}{7}) / (-\frac{3}{4}) * (\frac{-7}{3})$ </h3>

Divide by finding the reciprocal

<h3> $(-\frac{4}{7}) * (-\frac{4}{3}) * (\frac{-7}{3})$ </h3><h3 /><h3> $\frac{16}{21}$ * $-\frac{7}{3}$ </h3><h3 /><h3> $\frac{-16}{9}$ </h3>

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D

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3 years ago

Select the correct answer.

hram777 [196]

Answer:

I think the answer is C.

Step-by-step explanation:

The law of exponents states that when you divide the same base you subtract the exponents.

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