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Paha777 [63]
3 years ago
5

Please only answer this with actual answers and ill give the award

Mathematics
1 answer:
Alexxx [7]3 years ago
4 0
X=6 because in the first one it says that 10 times X plus the 30 equals the 90 degree angle so that means that X=6 because 10 times 6 is 60 pulse the extra 30 degrees.
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When shopping for accessories for her action camera, Giana found an advertisement for a replacement battery. The advertisement i
ArbitrLikvidat [17]

Answer:

The correct options are;

The equation of the function is 2·y = -25·x + 200

The equation of the function is y = -25/2·x  + 100

The x-intercept of the function is (8, 0)

Step-by-step explanation:

From the graph of the function, the y-intercept is observed at (0, 100), the x-intercept occurs at (8, 0)

Therefore, we have the slope, m given by the following relation

Slope, \, m =\dfrac{y_{2}-y_{1}}{x_{2}-x_{1}}

Where:

y₁ = 100

x₁ = 0

y₂ = 0

x₂ = 8

Which gives;

m =\dfrac{0-100}{8-0} = -12.5

The equation in slope can be found as follows

y - 100 = -12.5×(x - 0)

y = -12.5·x  + 100 = -25/2·x  + 100

Multiplying by 2 gives;

2·y = -25·x + 200

25·x + 2·y =  200

Therefore, the correct options are;

The equation of the function is 2·y = -25·x + 200

The equation of the function is y = -25/2·x  + 100

The x-intercept of the function is (8, 0).

7 0
4 years ago
Read 2 more answers
Emiri buys 4.25 pounds of butter at the local
Gre4nikov [31]
$3.84 per pound of butter
6 0
2 years ago
Is 4(x-3) equivalent to 12x-4-8(8x+1)
zvonat [6]

4x - 12 = 12x - 4 - 64x -8 simplify

4x - 12 = -52x -12 add 12 to both sides

4x= -52x divide by 4

x = -13x

It can be equivalent, but only if x=0


8 0
4 years ago
The price of an item has risen to $203 today. Yesterday it was $140. Find the percentage increase.
Semmy [17]

Answer:

63

Step-by-step explanation:

203-140 is 63 so $63 dollars are been added.

4 0
3 years ago
suppose that incomes of families in Newport Harbor are normally distributed with a mean of $750,000 and a standard deviation of
denis23 [38]

Answer: 0.345

Step-by-step explanation:

Given : The incomes of families in Newport Harbor are normally distributed with Mean : \mu=\$ 750,000 and Standard deviation : \sigma= $250,000

Samples size : n=4

Let x be the random variable that represents the incomes of families in Newport Harbor.

The z-statistic :-

z=\dfrac{x-\mu}{\dfrac{\sigma}{\sqrt{n}}}

For x= $800,000

z=\dfrac{800000-750000}{\dfrac{250000}{\sqrt{4}}}=0.4

By using the standard normal distribution table , we have

The probability that the average income of these 4 families exceeds $800,000 :-

P(x>80,000)=P(z>0.4)=1-P(z\leq0.4)\\\\=1-0.6554217=0.3445783\approx0.345

Hence, the probability that the average income of these 4 families exceeds $800,000 =0.345

6 0
4 years ago
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