3 years ago

Can somebody help me ?

Mathematics

2 answers:

stich3 [128]3 years ago

8 0

Answer:

1 1/5 miles per hour

Step-by-step explanation:

tensa zangetsu [6.8K]3 years ago

7 0

11/5 miles per hour

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B) Abus covers 270 km distance in 6 hours. (i) Find the speed of the bus in km per bour. (ii) How many kilometres does it travel

ss7ja [257]

Answer:

(i)= 45 KPH, (ii) = 251 miles

Step-by-step explanation:

'Per' essentially means divide. Thus, to find Kilometres per hour, divide 270 by 6= 45. The bus is travelling at 45 KPH.

Then, to see how far a nine hour trip would cover, distance = speed * time = 251 miles.

4 0

2 years ago

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The answer to x2+5x+6=0 is ?

Sliva [168]

Answer:

-6/7

Step-by-step explanation:

x2+5x+6=0

7x+6= 0

-6 -6

7x= -6

/7 /7

x= -6/7 or -0.85714285714

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4 years ago

Irving Manz works for Ben’s Food Mart. He is paid weekly on the basis of a 40-hour week at the rate of $8.95 an hour with time-a

AlekseyPX

Answer:

Irving earned about $363.00 during the week.

Step-by-step explanation:

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3 years ago

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Seth wants to buy a new skateboard that cost $230.55 if he earns $8.70 an hour pulling weeds how many hours will have to work to

lutik1710 [3]

Answer:

230.55/8.70 = 26.5 hours (round as appropriate)

3 0

3 years ago

82. A company spends x hundred dollars on an advertising

crimeas [40]

The company spends $649 on advertising

The sales function after advertising is given as:

$S(x) = 5 + 7\ln(x + 1)$

When the total sales is $19,100, we have S(x) = 19100

So, the sales function becomes

$5 + 7\ln(x + 1) = 19.1$

Subtract 5 from both sides

$7\ln(x + 1) = 14.1$

Divide both sides by 7

$\ln(x + 1) = 2.014$

Take exponents of both sides

$x + 1 = e^{2.014$

$x + 1 = 7.49$

Subtract 1 from both sides

$x= 6.49$

Hence, the company spends $649 on advertising