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2 years ago

Which expression is equivalent to 8+18a−2+6a ?

Mathematics

1 answer:

Reika [66]2 years ago

8 0

I'm pretty sure it's the first choice, if needed explanation let me know

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Can anyone give me the answer and how to do it

Gelneren [198K]

Answer:

54 - 10y

Step-by-step explanation:

Distribute each of the 3 parenthesis

= 12y + 24 - 32y + 32 - 10y - 2 ← collect like terms

= 54 - 10y

7 0

3 years ago

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“arizona has the highest death rate for asthma in the country. therefore, it is unsafe to go to arizona if you have asthma.”

arsen [322]

Answer:

that is funny. That is where my dad was born and now he has horrible breathing issues

Step-by-step explanation:

4 0

2 years ago

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Find the value of y so that the points (-2, 5) and (8, y) lie on a line with slope -1/5

Alja [10]

Answer:

Step-by-step explanation:

$\frac{ {3} - 5 }{8 + 2} = \frac{ - 2}{1 0} = \frac{ - 1}{5}$

4 0

2 years ago

In the rectangular prism, express each of the following in terms of s, t, and u. Give an explanation for each of your answers.

sergey [27]

Complete Question

The complete question is shown on the first and second uploaded image

Answer:

$\= HK = \= t + \= u$

$\= GL = \= s - \= t$

$\= JH = \= u + \= s$

Step-by-step explanation:

Now looking at the diagram

Following the direction of the unit vectors $\= u , \= s, \= t$

$\= {HK} = \= {KI} + \= KL$

=> $\= HK = \= t + \= u$

And

$\= GL = \= GH + \= GF$ jjj

=> $\= GL = \= s - \= t$

Also

$\= JH = \= JG + \= JI$

=> $\= JH = \= u + \= s$

7 0

2 years ago

Find the midpoint of AB A B . Question 5 options: (4, 4) (1, 1) (3, 1) (10, 4)

zaharov [31]

A (-2, 0)

B (4, 2)

so mid point (x,y) of 2 coordinates(x1,y1) and (x2,y2) is given as

(x,y) = ( (x1+x2)/2 , (y1+y2)/2)

= ( (-2+4)/2, (0+2)/2)

= (2/2, 2/2)

= (1, 1)

so your answer is (1,1) that is option 2

3 0

2 years ago