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Gennadij [26K]
3 years ago
11

Please help me do number One

Mathematics
1 answer:
valentina_108 [34]3 years ago
4 0
What are the options on top take a picture of those then I will be able to help you
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. One car traveled 210 miles and drove 20 mph hour faster than a second car drove 150 miles. If the cars were traveling for the
inn [45]

Answer:

The first car was traveling 70 mph, while the second was driving 50 mph.

Step-by-step explanation:

Set the cars as a proportion:

\frac{210}{x + 2}  =  \frac{150}{x}

X represents the speed of the second car. By cross multiplying, you get the following equation:

210x = 150(x + 20)

You solve by distributing 150 to get 210x = 150x + 3000.

Solving for x gets you 50.

That means the first car was going at 50 mph. Adding 20, you get 70 as the speed for the second car.

4 0
2 years ago
a shopper paid $52 for a handbag during a sale. The handbag was priced at 65% off its original price. Which equation can be used
aleksklad [387]
52 ×.65= X The answer would be $80. Hope i could be helpful :)
8 0
3 years ago
Factorise fully 77x-33x^2
lesya [120]

Answer:

11x(7 - 3x)

Step-by-step explanation:

77x - 33x² ← factor out 11x from each term

= 11x(7 - 3x)

7 0
2 years ago
sandra has 4 math test this marking period. she recieved 90%, 87%. and 92% on the first three. what is the minimum score she nee
Butoxors [25]

She would need to get a 90% or more.

6 0
2 years ago
Solve for t.<br> - 9r +5 &lt;17<br> AND 132 + 25 &lt;-1
Deffense [45]

Answer:

1.) r>-3/4 and 2.) 157<-1

3 0
2 years ago
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