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Oduvanchick [21]
3 years ago
11

Which value of r is a solution to this equation? r/4= 2

Mathematics
2 answers:
irina [24]3 years ago
8 0
It’s because 8 divided by 4 is 2
Kisachek [45]3 years ago
5 0

Answer:

r = 8

Step-by-step explanation:

I don't know the options But...

if r equals 8 and you plug in 8 for r in the equation which would look like

\frac{8}{4} and that would equal 2.

\frac{8}{4} = 2

Hope this helps.

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A furniture store pays a certain amount for a mattress, called the wholesale price.
nata0808 [166]

Answer:

  $1600

Step-by-step explanation:

The $800 that the customer paid is 50% of the retail price, so the retail price is twice that amount:

  $800/0.50 = $1600

The selling price of the mattress before the discount was $1600.

__

Additional comment

The wholesale price was $1600/2.25 = $711.11

5 0
2 years ago
Please help, marking brainliest if correct
bezimeni [28]

Answer:

74

Step-by-step explanation:

2x+x+4=115 (ext ∠)

3x=111

x=37

∠MNO=2(37)

           =74°

8 0
3 years ago
Read 2 more answers
*One half of two fifths of x.
Nataly_w [17]

Answer:

one half of two fifths of x would be equivalent to one fifth of x

3 0
3 years ago
The probability distribution for the random variable x follows. x f(x) 20 0.20 25 0.15 30 0.30 35 0.35 (a) Is this probability d
Damm [24]

Answer:

(a) The probability distribution is valid.

(b) The probability that x = 30 is 0.30.

Step-by-step explanation:

The probability distribution of the random variable <em>X</em> is:

<em>    x</em>:  20   |  25  |  30   |   35

f (<em>x</em>): 0.20 | 0.15 | 0.30 | 0.35

(a)

The properties of a probability distribution are:

  1. 0 ≤ P (X) ≤ 1
  2. ∑ P (X) = 1

All the probability value are more than 0 and less than 1.

Compute the sum of all the probabilities as follows:

\sum P(X)=0.20+0.15+0.30+0.35=1

The sum of all probabilities is 1.

Thus, the probability distribution is valid.

(b)

Consider the probability distribution table.

The probability of <em>X</em> = 30 is,

P (X = 30) = 0.30.

Thus, the probability that x = 30 is 0.30.

6 0
3 years ago
Threeangles of a quadrilateral are equal and its fourth angel is 120° . Find all the angels
lilavasa [31]

Answer:

80°

Step-by-step explanation:

Three angles are equal

Let the equal angle be x

3x+120=360

3x=240

x=240/3

=80

Hence the three angles are 80∘


6 0
2 years ago
Read 2 more answers
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