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Anastasy [175]
3 years ago
6

1. AB:BCECDDA. A. Rhombus B. Quadrilateral C. Rectangle D. Square

Mathematics
1 answer:
Sliva [168]3 years ago
4 0
D is the correct answer, because it looks correct
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Sid had $42 he owned $10 to his brother .Choose the correct expression to show this
Dafna11 [192]

Answer:

B. 42-10

Step-by-step explanation:

It is the amount that Sid has minus what he ows

7 0
2 years ago
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Which of the following has a constant of proportionality of 2? A) y = 2x B) y = x + 2 C) 2y = x D) y + 2 = 2x
Setler [38]

The correct answer is A.


You have direct variation if x and y are modeled by the equation


y = mx


In this case, m is the constant of proportionality. So, if the constant has to be 2, the equation becomes


y = 2x


A side note: Actually, option C has a constant of proportionality of two as well, except the roles of x and y are interchanged. I chose option A because usually you want the y = mx form, but the names of the variables are obviously meaningless.

5 0
3 years ago
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Can 45/9 be simplified?
sergiy2304 [10]

Answer:

yes to 5

Step-by-step explanation:

divide 45 by 9 and u get 5

3 0
2 years ago
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d) What are the values for coefficients a, b, and c in the quadratic equation for Daredevil Danny’s practice jump? (5 points)
SIZIF [17.4K]

Answer:

a = -0.32

b = 16

c = - 168

Step-by-step explanation:

In the figure attached, the quadratic function is shown. We can model it as follows:

y = a*(x - x1)*(x - x2)

where (x1, 0) and (x2, 0) are its roots

From the picture, roots are (15, 0) and (35, 0), replacing them into the equation:

y = a*(x - 15)*(x - 35)

and the vertex is at (25,32), replacing into the equation:

32 = a*(25 - 15)*(25 - 35)

32 = a*(-100)

a = 32/(-100)

a = -0.32

Applying distributive property:

y = -0.32*(x - 15)*(x - 35)

y = -0.32*(x² - 35x - 15x + 525)

y = -0.32x² + 16x - 168

which corresponds to the general form:

y = ax² + bx + c

3 0
3 years ago
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An expression is shown:<br> 32 ÷ 4 <br><br> What is the quotient expressed as a fraction?
harina [27]

Answer:

32/4

simplified is 8/1

Step-by-step explanation:

3 0
2 years ago
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