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labwork [276]
3 years ago
6

alex has a 48 mile trail first half of the time he was biking twice as fast as the second half of the time if he spent 4 hours o

n the road how fast was he biking at first
Mathematics
1 answer:
Irina-Kira [14]3 years ago
4 0

Answer:

16 mph

Step-by-step explanation:

Givens:

4 hours total time

48 miles total distance

So our equation should look like this.

48 = 2x(2) + x(2)

Where x = speed second half of trip.

x = 8

x*2 = 16 mph

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You are correct for stating one tissue box has a volume for 36.

But notice there are 3 tissue boxes, so in order to find the total volume, you should add them up.

36+36+36=108

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3 years ago
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3 years ago
If a = b, then a - c = b - c. This is the ___________________ property of equality.
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communitive

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2 years ago
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Part C
Anna71 [15]

When 'c' is negative both p and q would have the same sign and when opposite signs whereas when b is positive and negative, both would have positive and negative signs respectively.

<h3>How the signs affect the factored form</h3>

The ways in which the signs of 'b' and 'c' affect the form include;

  • if c is negative, then p and q have opposite signs.
  • If c is positive, then p and q have the same signs.
  • If b is negative, both the signs of  p and q would be negative.
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Learn more about quadratic equations here:

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2 years ago
Which answer choice shows the decimals in order from least to greatest
djverab [1.8K]

Answer:

D.1.121, 1.21, 1.432, 1.53

Step-by-step explanation:

Look at it as money:

$1.12

$1.21

$1.43

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We know that D states the money from least to greatest.

Or

We can convert them to fractions by Decimals can be written in fraction form. To convert a decimal to a fraction, place the decimal number over its place value. For example, in 0.6, the six is in the tenths place, so we place 6 over 10 to create the equivalent fraction, 6/10. If needed, simplify the fraction.

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2 years ago
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