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lbvjy [14]
3 years ago
15

How do you write this equation in its simplest form(3d+5)+(d-2)

Mathematics
1 answer:
sergejj [24]3 years ago
6 0
You need to use FOIL
(3d+5)+(d-2)=3d^2-6d+5d-10=3d^2-1d-10
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As air rises, it cools and provides abundant rain in the tropics. True or False
Korolek [52]

Answer:

true

when air rises it falls rain

8 0
3 years ago
Read 2 more answers
Find BD.<br><br><br><br> plz help me
mr Goodwill [35]

Answer:

BD = 28

Step-by-step explanation:

BC and CD are within line BD, so add those to make up for the length of BD

21 + 7 = 28

6 0
3 years ago
Listed below are the overhead widths​ (in cm) of seals measured from photographs and the weights​ (in kg) of the seals. Construc
gladu [14]

Answer:

1.) scatter plot is attached below.

There is no sufficient evidence to support the claim that there is a linear correlation between overhead widths of seals from photographs and the weights of the seals.

Step-by-step explanation:

Given the data :

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Weight : 119 156 243 200 199 188

The linear correlation Coefficient, R = 0.946

Using the Pvalue calculator for R score ;

Pvalue = 0.0149

Since, Pvalue > Α ; WE fail to reject the Null and conclude that there is no sufficient evidence to support the claim that there is a linear correlation between overhead widths of seals from photographs and the weights of the seals.

4 0
3 years ago
Write 5x+y =6 in function notation let y represent the dependent variable.
Dmitry [639]
<span> the answer is f(x) = 5x + 6</span>
7 0
3 years ago
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Mischa wrote the quadratic equation 0 = –x2 + 4x – 7 in standard form. What is the value of c in her equation?
inysia [295]
Standard form of an equation can be represented by ax^2 + bx + c = y. where a b are coeficients and c is a constant value. for your equation to work we have to say:
a = -1
b = 4
c = -7

you have to be sure to put the negative value. if i said
a = 1
b = 4
c = 7

and i plugged these in i would get:
(1)x^2 + (4)x + (7)

which becomes
x^2 + 4x + 7

this is not right. if i used the first values i stated then:
(-1)x^2 + (4)x + (-7)
-x^2 + 4x - 7

this is correct
7 0
4 years ago
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