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3 years ago

12

Kyle is practicing for a 3 mile race. His normal time is 23 minutes and 26 seconds. Yesterday it took him 21 minutes and 38 seco

nds. How much faster was Kyle's time yesterday than his normal time?

1 answer:

vesna_86 [32]3 years ago

3 0

Answer:

It is 1 minute and 48 second difference so he was 1 minute and 48 second faster, I may be wrong so please check

Step-by-step explanation:

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What are five pairs of integers with the sum of -6?

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I think -6 switches to -3

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3 years ago

Read 2 more answers

. Kite QRST has a short diagonal of QS and a long diagonal of RT. The diagonals intersect at point P. Side QR = 17m, diagonal QS

trapecia [35]

Answer:

495 meter²

Step-by-step explanation:

In the given kite QRST,

PQ = PS = 15 meter

QR = 17 meter

We have to find the area of the kite.

Since kite is in the form of a rhombus.

and rhombus is = $\frac{1}{2}$ (Diagonal QS) × (Diagonal RT)

In Δ QRP,

17² = 15² + RP²

$\sqrt{17^{2}-15^{2}} = RP$

$RP=\sqrt{289-225}$

= √64 = 8 meters.

So RT = RP + PT = 8 + 25 = 33 meter.

Now area of kite = $\frac{1}{2}$ (30) (33) = 495 meter²

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3 years ago

The rule for a pattern is ''take half the number to get the next number.'' the first number in the pattern is 16 what is the nex

vfiekz [6]

Answer:

8

Step-by-step explanation:

Let the next number be x

'taking half the number to get the next number. is expressed as;

1/2 of 16 = x

x = 1/2 *16

x = 16/2

x = 8

hence the next number will be 8

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2 years ago

How many continents

lukranit [14]

Answer:

7

Step-by-step explanation:

There are 7 continents on Earth. They are Africa, Antarctica, Asia, Australia, Europe, North America, and South America.

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3 years ago

The values in the table below represent Function B, which is a linear function.

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<h3>1. Compare Functions B and L by determining which one has the greater rate of change.</h3>

The rate of change is expressed as the ratio between a change in one variable relative to a corresponding change in another. On the other hand, a linear function is given as the form:

$y=mx+b$

And $m$ is the rate of change we are looking for. For Function B we have a Table and the slope can be found by choosing two points, therefore:

$m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}} \\ \\ Choosing \ (1,5) \ and \ (3,11) \\ \\ m=\frac{11-5}{3-1}=3$

As you can see $y=6x+4$ has a rate of change of 6 while the function of the table has a rate of change of 3.

<em> In conclusion,</em> $y=6x+4$ <em>has the greater rate of change</em>

<h3>2. which one has a greater y-intercept?</h3>

We need to get the equation that rules the points given on the table. Two-Point Form of the Equation of a Line is:

$y-y_{1}=m(x-x_{1}) \\ \\ We \ know \ m=3 \\ \\ y-5=3(x-1) \therefore y-5=3x-3 \therefore y=3x+2$

As you can see $y=6x+4$ has a y-intercept of $b=4$ while the function of the table has a y-intercept of $b=2$

<em> In conclusion,</em> $y=6x+4$ <em>also has the greater y-intercept</em>

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3 years ago