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FrozenT [24]
3 years ago
12

Describe and correct the error made in finding the product. Please explain what's wrong

Mathematics
1 answer:
qaws [65]3 years ago
5 0
Okay, it's wrong because they forgot to do -2 times 3x.
The correct answer is 3^{2} -2x-8
Hope i got is correct!
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Evaluate <br> g(4): g(x)=8x^2+9x-7<br><br> A. 121<br> B. 135<br> C. 154<br> D. 157
inn [45]
The answer is:  [D]:  " 157" .
________________________________________________________
Explanation:
______________________________________________________

 g(x) = 8x² + 9x − 7 ;

 g(4) = 8(4²) + 9(4) <span>− 7 ;
</span>
        = 8(4*4) + 36 <span>− 7 ;
</span>
        = 8(16) + 36 <span>− 7 ;
</span>
        = 128 + 36 <span>− 7 ;
</span>
        = 164 − 7 ;

       =  <span>157 .</span>
_______________________________________________________
The answer is:  [D]:  " 157" .
_______________________________________________________
7 0
3 years ago
Y+5=2(x+1)<br><br><br> what is the slope for this Math
Stells [14]

Answer:

2

Step-by-step explanation:

The slope-intercept form is

y=mx+b, where m is the slope and b is the y-intercept.y=mx+bRewrite in slope-intercept form.Simplify 2(x+1).Apply the distributive property.

y+5=2x+2⋅1

multiply 2 by 1.

y+5=2x+2

y+5=2x+2

Move all terms not containing y to the right side of the equation.Subtract 5 from both sides of the equation.

y=2x+2−5

y=2x−3

the slope is the "m" so the slope is 2

7 0
3 years ago
Ravi is riding his bicycle. He takes 6 hours to ride 76.8 kilometers. What is his speed?
Volgvan

Answer:

12.8km/hr

Step-by-step explanation:

Distance = 76.8km

Time = 6 hours

Speed = distance ➗ time

Speed = 76.8km ➗ 6 hours

Speed = 12.8km/hr

I hope this was helpful, Please mark as brainliest

7 0
3 years ago
Yesterday's afternoon temperature was 21*F. It plunged overnight to 3*F. How many degrees did the temperature drop? I think the
Igoryamba

Answer: its  D) 24

Step-by-step explanation:

For your answer i have checked and it is correct it is D) 24

7 0
3 years ago
Find the value of x. I will mark brainliest
Mandarinka [93]

Answer:

The picture isnt working

Step-by-step explanation:

7 0
3 years ago
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