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Alex787 [66]
3 years ago
4

Evaluate (mn)(x) for x = − 3. (mn)(−3) =

Mathematics
2 answers:
Ghella [55]3 years ago
4 0

Answer:

9

Step-by-step explanation:

answer on edgen uity

Andreyy893 years ago
3 0

Answer:

(mn)(-3) = -3mn ....

Step-by-step explanation:

We have given the expression:

(mn)(x)

The value of x is given, which is = -3

Now we just have to substitute the value of x in the given expression.

The expression is:

(mn)(x)

If we substitute the value x = -3 in the expression it becomes,

(mn)(-3)

Now by multiplying both the brackets we get:

(mn)(-3) = -3mn ....

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timofeeve [1]
The point at which the two lines intersect is (4,7).

7 0
3 years ago
Find the value of x.
Gnoma [55]

Answer:

x = 10

Step-by-step explanation:

Since the triangle is right use the sine ratio to find x

sin30° = \frac{opposite}{hypotenuse} = \frac{5}{x}

cross- multiply

x × sin30° = 5 ( sin30° = 0.5 )

0.5x = 5 ( divide both sides by 0.5 )

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5 0
3 years ago
Read 2 more answers
Suppose the weather forecast calls for a 60% chance of rain each day for the next 3 days. What is the probability that it will N
erastovalidia [21]

Answer:

Probability that it'll not rain during the next three days = 0.064

Step-by-step explanation:

Given

Let:

P(R) represent the probability that it'll rain each day

P(R') represent the probability that it'll not

P(R) = 60\%

Required

Probability that it'll not rain during the next three days

From concept of probability;

P(R) + P(R') = 1

Substitute 60% for P(R)

60\% + P(R') = 1

Subtract 60% from both sides

60\% - 60\% + P(R') = 1 - 60\%

P(R') = 1 - 60\%

Convert % to decimal

P(R') = 1 - 0.6

P(R') = 0.4

The probability that it'll not rain during the next 3 days is:

P(R') * P(R') * P(R')

P(R') * P(R') * P(R') =0.4 * 0.4 * 0.4

P(R') * P(R') * P(R') = 0.064

8 0
3 years ago
Find the lengths of two segments whose sum is 45 and whose ratio is 2:3
ohaa [14]
Let the two segments be x and y
x+y=45...1
X/y = 2/3...2
From1, y=45-x
Sub this into 2
x/(45-x)=2/3
3x=90-2X
5x=90
x=18
y=45-18=27
8 0
3 years ago
A grocery store is selling 12 bananas for $2.40 at this rate what is the cost of 15 bananas
lorasvet [3.4K]
C. $3.00
To find how many bananas you get for a dollar, do 12/2.4 to get 5 bananas per dollar. Since you want to find how much it costs for 15 bananas, you'll do 15/5, which gives you $3

:)
3 0
3 years ago
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