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3 years ago

7

In this fraction, which number is the denominator? 8 16 O A. 16 OB. 8

2 answers:

Ber [7]3 years ago

5 0

Answer: The denominator is A. 16.

Step-by-step explanation: It's always the bottom number.

sveta [45]3 years ago

4 0

The answer is A Bc the bottom is the denominator

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I would like to know what is 4x2/3

vova2212 [387]

Answer: 2.6

Step-by-step explanation:

8 0

3 years ago

Mark dropped an object from a bridge 400 feet above the ground level with an initial velocity of 0. He knows that the gravitatio

lisabon 2012 [21]

Answer:

The first listed equation is the correct equation to solve

The correct answer is: t = 5 seconds

Step-by-step explanation:

Let me mention first that there is an error in the statement that the gravitational pull of the Earth is 16 ft/s^2. It is in fact 32 ft/s^2, and the actual equation uses half of the acceleration multiplied by the square of the variable time, so it gives as final expression :

$y(t)=-16\,t^2+ 0 \,t +400$

and we want to find the value/s for "t" that make this equation equal zero (when it reaches the ground and the object just touches the ground. This makes the equation we want to solve:

$0=-16\,t^2+ 0 \,t +400\\16\,t^2+0\,t -400=0$

which solving for "t" becomes:

$16\,t^2-400 =0\\16\,t^2=400\\t^2=\frac{400}{16} \\t^2=25\\t= +/- 5\,\,sec$

So we adopt the positive answer (positive time) since the negative value has no physical meaning for this problem.

That is: t = 5 seconds

6 0

3 years ago

At 5.45p.M .,lixin,khairul and Devil are at the starting point of a 1-km circular path. Lixin Takes 18 minutes to walk one round

sweet [91]

Answer:

$Meeting\ Time = 6:03\ pm$

Step-by-step explanation:

Given

$Start\ Time= 5:45pm$

$Lixin = 18\ min/round$

$Khairul = 360\ seconds/round$

$Devi = 4minutes/2\ rounds$

Required

Determine their next meeting time

First, we need to get their unit rate in minutes per round

$Lixin = 18\ min/round$

$Khairul = 360\ seconds/round$

Convert 360 seconds to minutes

$Khairul = \frac{360}{60} min/round$

$Khairul = 6 min/round$

$Devi = 4minutes/2\ rounds$

Divide by 2/2

$Devi = 2mins/round$

So, we have:

$Lixin = 18\ min/round$

$Khairul = 6 min/round$

$Devi = 2mins/round$

Next, is to determine the LCM of 18, 6 and 2

$18=2 * 3 * 3$

$6 = 2 * 3$

$3 = 3$

Their LCM is:

$LCM = 2 * 3 * 3$

$LCM = 18$

This means that they will meet 18 minutes after their initial time of departure.

So:

$Meeting\ Time = 5:45\ pm + 18\ minutes$

$Meeting\ Time = 6:03\ pm$

3 0

3 years ago

Using the distance formula, d = √(x2 - x1)2 + (y2 - y1)2, what is the distance between point (-10, 12) and point (5, 3) rounded

Whitepunk [10]

Answer:

<h3>The answer is 17.5 units</h3>

Step-by-step explanation:

Using the distance formula

<h3> $d = \sqrt{ ({x2 - x1})^{2} + ({y2 - y1})^{2} }$ </h3>

the distance between (-10, 12) and (5, 3) is

<h3> $d = \sqrt{ ({5 + 10})^{2} + ({3 - 12})^{2} }$ </h3><h3> $d = \sqrt{ {15}^{2} + ( { - 9})^{2} }$ </h3><h3> $d = \sqrt{225 + 81}$ </h3><h3> $d = \sqrt{306}$ </h3><h3> $d = 3 \sqrt{34}$ </h3>

d = 17.492855

We have the final answer as

<h3>d = 17.5 units to the nearest tenth</h3>

Hope this helps you

4 0

3 years ago

Read 2 more answers

HELP LAST ATTEMPT to ( get marked brainliest show work !

aleksley [76]

$▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪$

As we know,

Area of parallelogram :

$base \times height$

$32.6 = 10.5 \times h$

$h = \dfrac{32.6}{10.5}$

$h = 3.1047$

$h \approx3.1 \: \: m$

6 0

2 years ago