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loris [4]
3 years ago
15

7X +15 X equals help me please

Mathematics
2 answers:
Alja [10]3 years ago
8 0
I don’t know if I’m correct but when i checked I got =105
hram777 [196]3 years ago
4 0
Answer:

7x+15x= 22x
Add the coefficients.
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What is the difference between a confounding and a lurking variable?
Gennadij [26K]

Answer:

A lurking variable is a variable that has an important effect on the relationship among the variables in the study, but is not one of the explanatory variables studied. Two variables are confounded when their effects on a response variable cannot be distinguished from each other.

4 0
3 years ago
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Solve the following.<br> 2x^2-7x-4/6x^2+7x+2&lt;0<br> Can someone explain how to solve this.
oksano4ka [1.4K]

Answer:

Which one have same variable gather or decrease up

Step-by-step explanation:

2x^2-4.6x^2=1.4x^2

-7x+7x=0

1.4x^2+2<0

x<0

4 0
3 years ago
PLEASE SOMEONE ANSWER THESE 2 questions asap and show how u got ur answer! Will thanks and give double the points and mark brain
Fed [463]

4x-3 ≥ 5
4x ≥ 5+3      (add 3 to both sides)
x ≥ 8/4         (divide both sides by 4)
x ≥ 2

a is the answer.
_____________________

3x-5 ≥ 7
3x ≥ 7+5
x ≥ 12/3
x ≥ 4

b is the answer

so, did you understand?

4 0
3 years ago
Using the given points, determine the slope.<br><br> (5, -6) and (2, 15)
Vanyuwa [196]

Answer:

-7

Step-by-step explanation:

4 0
3 years ago
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Brenda is going from $(-4,5)$ to $(5,-4)$, but she needs to stop by the origin on the way. How far does she have to travel?
Annette [7]

Answer:

\boxed{D = 6.4 units}

Step-by-step explanation:

She stops by (0,0)

She further needs to travel to (5,-4)

Let's calculate the distance using the Distance Formula:

Distance Formula = \sqrt{(x2-x1)^2+(y2-y1)^2}

D = \sqrt{(5-0)^2+(-4-0)^2}

D = \sqrt{(5)^2+(-4)^2}

D = \sqrt{25+16}

D = \sqrt{41}

D = 6.4 units

She needs to travel 6.4 units more.

6 0
3 years ago
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