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oksian1 [2.3K]
3 years ago
5

What are the coordinators of the vertex of the graph of the function -2(x-1)^2 = y+5

Mathematics
1 answer:
mamaluj [8]3 years ago
7 0
The answer is, (1, -5)... 
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What equation is parallel to y= -1/4+5 and passes through (2,-3)? <br> HELPPPPP PLEASE!!!!
IrinaVladis [17]

Answer:

y = -1/4x - 5/2.

Step-by-step explanation:

I am assuming you mean y = -1/4x + 5.

This has slope of -1/4 so the required equation has the same slope ( as they are parallel).

Using the point-slope form of the equation of a line:

y - (-3) = -1/4(x - 2)

y + 3 = -1/4(x - 2)

y = -1/4x + 1/2 - 3

y = -1/4x - 5/2

5 0
2 years ago
there are a total of 100 balloons.if the ratio of yellow balloons to blue balloons is 8 to 12,how many of them are yellow?
IrinaK [193]
The ratio of yellow balloons to blue balloons is 8:12
Then there are 100 balloons. Making the equation, we are able to have:
8X + 12X = 1000
20x = 1000
X = 50.

Yellow balloons = 8x = 8 * 50 = 400 yellow balloons
Blue balloons = 12X = 12 * 50 = 600 blue balloons

So there are  400 yellows balloons.
8 0
3 years ago
An organic farmer wanted to find out how many eggs a typical hen lays during 1 month. She chose 8 hens at random from the 60 hen
Marat540 [252]
First, you add them all together, and divide them by the number of quantities there are, so:
9+9+8+11+11+12+12+8= <span>80. Then you divide it by 8 (how many numbers there are) to get 10!</span>
8 0
3 years ago
Read 2 more answers
Which answer, to the correct number of significant figures, is closest to the true value of the expression: (9.1 x 104 )(1.1 x 1
DIA [1.3K]

Answer : The correct answer is, -13000 g

Explanation :

Significant figures : The figures in a number which express the value -the magnitude of a quantity to a specific degree of accuracy is known as significant digits.

The rule apply for the multiplication and division is :

The least number of significant figures in any number of the problem determines the number of significant figures in the answer.

The given expression is:

(9.1\times 10^4)(1.1\times 10^{-5})(\log 10^{-13})(1000)g

As we know that,

\log 10^{-13}=-13

\Rightarrow (9.1\times 10^4)(1.1\times 10^{-5})(-13)(1000)g

\Rightarrow -13013g

True value means, the rounding off the number. So,

\Rightarrow -13000g

Therefore, the correct answer is, -13000 g

3 0
3 years ago
Sin75degree=Cos____degree
tigry1 [53]

Answer: 15

Step-by-step explanation:

We know that sin 75 degrees = 0.90659...

Now, to find cos: cos-1 (0.90659) = 15

So the answer is 15.

7 0
2 years ago
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