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Lubov Fominskaja [6]
2 years ago
8

Bill has 4 letter blocks: A, B, C and D. In how many different ways can Bill arrange the blocks in a row? 6, 12, 18 or 24?

Mathematics
2 answers:
givi [52]2 years ago
6 0
A b c and d can be arranged 24 ways
stiv31 [10]2 years ago
4 0
24 ways in which the blocks can be arranged
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What is the scale factor from polygon ABCD to polygon PQRS??
luda_lava [24]

Answer:

We need the grid to figure this out

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If Patricia drives at two-third of her usual speed, she covers a certain distance in one hour more than the time she takes while
zalisa [80]
Let r = usual driving rate
let t = usual driving time
We need to figure out t

The distance she covers in her usual time at her usual rate is r*t

The distance she covers in her new time at her new rate is:
(1+t)*((2/3)r)

Set this equal to each other and solve for t.

rt = (2/3)r + (2/3)rt
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(1/3)t = (2/3)
t = 2

So her usual time is 2 hours. (There's probably a faster way to do this)
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2 years ago
The mean life of a television set is 119 months with a standard deviation of 13 months. If a sample of 67 televisions is randoml
PIT_PIT [208]

Answer:

Provided in the picture below.

Step-by-step explanation:

Provided in the picture below.

5 0
2 years ago
Q is in the interior of angle ROS S in the interior of angle QOP. P is in the interior of angle SOR. S is in the interior of ang
MrMuchimi

∠ROT=160°

∠SOT=100°

Now ∠SOR= ∠ROT - ∠SOT

∠ SOR = 160°-100°

∠ SOR =60°

It is given that measure of angle ROQ to equals the measure of angle QOS equals the measure of angle POT.

∠SOQ + ∠QOR = 60°

But ∠SOQ = ∠QOR

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3 0
2 years ago
21. Given directed line segment WV , find the coordinates of R
Jobisdone [24]

Answer:

R\left(\frac {4x_1+3x_2}{7} , \frac {4y_1+3y_2}{7}\right)

Step-by-step explanation:

Let the coordinate of the points W, V and R are (x_1,y_1), (x_2,y_2), and (x_s,y_s)respectively.

The coordinate of the section point, (x_s,y_s), which divides the line joining the two points (x_1,y_1) and (x_2,y_2) in the ration m:n is

x_s=\frac {nx_1+mx_2}{m+n} and

y_s=\frac {ny_1+my_2}{m+n}.

The given ration is, m:n=3:4

R(x_s,y_s)=R\left(\frac {nx_1+mx_2}{m+n} , \frac {ny_1+my_2}{m+n}\right)

=R\left(\frac {4x_1+3x_2}{7} , \frac {4y_1+3y_2}{7}\right).

The exact point can be determined by putting the value of the exact coordinate in the above-obtained formula.

6 0
2 years ago
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