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balu736 [363]
3 years ago
8

PLEASE HELP FOR BRAINLIEST! ;)

Mathematics
1 answer:
IrinaVladis [17]3 years ago
5 0

1. D - Since it's random, everyone has an equal chance of being picked

2. B - Since the people are already registered voters it would be easier to get a response from them. Plus, picking ever 10th person makes it random.

3. false - a fair question wouldn't make assumptions about the population

4. B - "Don't you think" causes the answerer to be pushed towards saying yes

hope this helps :)

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A car travelled a distance of D =320 kilometers for T =5.0 hours at a constant rate use the formula D =R. T To find the speed (R
motikmotik

The speed of car is 64 kilometer per hour

<em><u>Solution:</u></em>

Given that car travelled a distance of D = 320 km for T = 5.0 hours

To find: speed (R) of the car in km per hour

<em><u>Formula given:</u></em>

D = R. T

where "D" is the distance

"R" is the speed of car

"T" is the time taken

<em><u>Substituting the given values in above formula we get,</u></em>

320 = R \times 5.0\\\\R = \frac{320}{5}\\\\R = 64

Thus the speed of car is 64 kilometer per hour

We cannot round the answer to nearest tenth, since answer is not in decimal

5 0
3 years ago
3/4 pound of Colby cheese costs $1.69. Find the unit price per pound. (3/4 pound=12)
Liula [17]

Answer:

2.25

Step-by-step explanation:

We can write a ratio to solve

1.69           x

------     = ---------------

3/4 lb              1 lb

Using cross products

1.69 * 1 = 3/4 *x

1.69 = 3/4 x

Multiply by 4/3

1.69 * 4/3  = x

x=2.25333

Rounding to the nearest cent

6 0
3 years ago
A circle has a radius of 6. An arc in this circle has a central angle of 48 degress. What is the length of the arc?
notsponge [240]

Answer: 1.6\pi

Step-by-step explanation:

If a circle has a radius of 6, then the perimeter of the circle is 12pi, or about 37.68.  A circle has 360 degrees.  Thus, the arc takes up 48/360 of the circle.  Thus, simply multiply \frac{48}{360} * 12\pi to get 5.024 or 1.6pi.

Hope it helps <3

3 0
3 years ago
Read 2 more answers
Rewrite 1/y^5/4 in the form y^n
LUCKY_DIMON [66]

Answer:

y^(-5/4)

Step-by-step explanation:

because

1/ (y^(5/4)  =  (1/y) ^(5/4) = y^(-5/4)

4 0
3 years ago
Find the vector with initial point p (4, 3) and terminal point q (–9, –4).
lana66690 [7]
-9 -4  = -13
-4 - 3 = -7

vector is <-13, -7>
6 0
3 years ago
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