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Fantom [35]
2 years ago
5

Simplify 3(9y - 2) WILL GIVE BRAINLIST IF FULLY EXAMPLED HELP!

Mathematics
2 answers:
Musya8 [376]2 years ago
5 0

Answer:

27y - 6

Step-by-step explanation:

3(9y - 2)   Multiply 3 times each term in the parentheses

3 * 9y = 27y

3 * -2 = -6

Alexxandr [17]2 years ago
3 0

Answer:

<h3>27y-6</h3>

Step-by-step explanation:

First, you used distributive property.

Distributive property:

\sf{a(b-c)=ab-ac}

Multiply from left to right.

3*9=27

Then 3*2=6.

Remember to use a variable.

<u>27y-6</u>

Therefore, the correct answer is 27y-6.

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If 66 oranges cost $15, how many oranges can be purchased for $5?
Rasek [7]

Answer:

22 oranges

Step-by-step explanation:

$15 --- 66 oranges

$5 --- \frac{5}{15} × 66 oranges = 22 oranges

7 0
2 years ago
Find the slope between the points (2,9) and (3,1) *<br> Please I need help immediately
Feliz [49]

Answer:

1

Step-by-step explanation:

Distance between x's (Δx)

0

This field is calculated automatically, you cannot change it's value manually.

Distance between y's (Δy)

1

d = √(Δy2 + Δx2) = √(12 + 02) = √1 = 1

3 0
2 years ago
An appliance manufacturer claims to have developed a compact microwave oven that consumes a mean of no more than 250 W. From pre
Shtirlitz [24]

Answer:

Null Hypothesis, H_0 : \mu \leq 250 W  

Alternate Hypothesis, H_A : \mu > 250 W    

Step-by-step explanation:

We are given that an appliance manufacturer claims to have developed a compact microwave oven that consumes a mean of no more than 250 W.

They take a sample of 20 microwave ovens and find that they consume a mean of 257.3 W.

<u><em>Let </em></u>\mu<u><em> = mean power consumption of microwave ovens.</em></u>

So, Null Hypothesis, H_0 : \mu \leq 250 W  

Alternate Hypothesis, H_A : \mu > 250 W    

Here, <u>null hypothesis states tha</u>t the mean power consumption of microwave ovens is no more than 250 W.

On the other hand, <u>alternate hypothesis sates that</u> the mean power consumption of microwave ovens is more than 250 W.

The test statistics that would be used here is <u>One-sample z test statistics</u> as we know about the population standard deviation;

                       T.S. =  \frac{\bar X-\mu}{\frac{\sigma}{\sqrt{n} } }  ~ N(0,1)

Hence, this would be the appropriate hypotheses to determine if the manufacturer's claim appears reasonable.

5 0
3 years ago
Write this in equation form 5 less than risk equal to 16
dolphi86 [110]
Risk - 5 = 16. It is just mathematical language.
7 0
3 years ago
How can you calculate the area of the circle if you know the circle’s circumference?
Nimfa-mama [501]
Divide the circumference by pi, then divide that by 2, then you would have the radius, and the area is r squared multiplied by pi
8 0
3 years ago
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