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nika2105 [10]
3 years ago
9

Help me cuz I don’t understand that much help

Mathematics
2 answers:
maksim [4K]3 years ago
8 0

Answer: 1:8

Step-by-step explanation:

First you add all of the candies together (so 18) then you see how many there are grape flavored (2), put them in a ratio (2:18) and simplify (1:8)

hope this helps :)

zimovet [89]3 years ago
3 0

Answer:

1:8

Step-by-step explanation:

Add all the types of candy together, thats your second number. The first number is the amount of the grape candy.

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7(5-4x) in distributive property
kati45 [8]

Answer:

Distributive Property : <em><u>a(b+c)= ab+ac</u></em>

  • 7(5-4x) = (35-28x) ★
<h3><u>(35-28x)</u> is the right answer.</h3>
3 0
3 years ago
The temperature was 8℉. It dropped so that the temperature was 0℉. What integer represents the change in temperature?
antiseptic1488 [7]

Answer:

-8

Step-by-step explanation:

The temperature dropped 8 degree, resulting in a negative change. So the integer to represent it would be negative 8 degrees.

4 0
3 years ago
Which of the following is a true statement? a) The correlation coefficient r is always greater than 1. b) The coefficient of det
brilliants [131]

Answer:

f) None of the above.

Step-by-step explanation:

When we try to adjust a curve from a scatter plot to try and predict values of the dependent variable y given known values of the independent variable x.

The curve is a function y=f(x) which usually is a line, a logarithmic, parabola, power or exponential.

In order to choose which curve adjust the best, we compute a number r called correlation coefficient.

The closer r  is to -1 or +1, the better the curve adjust the scatter plot.

When r =0, we say there is no correlation between the points x and y

When -1<r<0 we say there is a negative correlation, this means that the values of y decrease as the values of x increase.

When 0<r<1 we say there is a positive correlation, this means that the values of y increase as the values of x increase.

When r =1 or r =-1, we say that there is a perfect correlation. It means that all of the points of the scatter plot lie on the curve.

So, from the possible choices of answer, f) None of the above is the right one.

6 0
3 years ago
1. Which is equivalent to the expression below?<br> (3.x2 – 2x + 5) - (2x2 – 5x + 1)
Nana76 [90]

Answer:

x = 6

x = 1

Step-by-step explanation:

(3x² - 2x + 5) - (2x² - 5x + 1)

= 3x² - 2x² - 2x - 5x + 5 + 1

= x² - 7x + 6

= (x - 6)(x - 1)

x - 6 = 0

x = 6

x - 1 = 0

x = 1

5 0
3 years ago
Read 2 more answers
PLEASE HELP, 50 POINTS<br> QUESTION IS IN THE PICTURE
artcher [175]

Answer:

-\frac{50}{3}

Step-by-step explanation:

Find dy/dx of the ellipse  25x^{2} +y^{2}=109 at (2,3)

Using Implicit Differentiation

Differentiate both sides of the equation with respect to x

25x^{2} +y^{2}=109

50x +2y\frac{dy}{dx}=0

isolate the term dy/dx

2y\frac{dy}{dx}=-50x

\frac{dy}{dx}=-25\frac{x}{y}

Evaluate at point (2,3)

For x=2, y=3

\frac{dy}{dx}=-25(\frac{2}{3})

\frac{dy}{dx}=-\frac{50}{3}

4 0
3 years ago
Read 2 more answers
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