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hjlf
2 years ago
5

Pleaseee helpppp mehhhh

Mathematics
1 answer:
Tanya [424]2 years ago
6 0

Answer:

-13x^2 + 6x + 11

Step-by-step explanation:

Just subtract the numbers that are similar (i.e. -5x^2 - 8x^2)

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during Sonia's trip across the country that she travel 2884 miles her trip took 7 Days find a unit rate to represent the average
wolverine [178]
You could find the unit rate by dividing 2884 miles by 7 days to get 412 miles/ day
6 0
3 years ago
In the scale used on a blueprint, 34
nydimaria [60]

Answer:

67

Step-by-step explanation:

123£

5 0
3 years ago
A right triangle has a leg of 11 cm and a hypotenuse of 17 cm.
nordsb [41]
A^2 + b^2 = c^2
11^2 + b^2 = 17^2
121 + b^2 = 289
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3 0
3 years ago
Read 2 more answers
1/6 + 3/8 <br> A. 4/6<br> B. 4/8 <br> C. 4/14<br> D. 13/24
Naddika [18.5K]

Here is you're answer:

In order to get you're answer you need to find the common denominator then add.

  • \frac{1}{6} + \frac{3}{8}
  • Find the common denominator:
  • CD = 48
  • = \frac{26}{48}
  • Simplify:
  • \frac{26}{48} \div 2 = \frac{13}{24}
  • = \frac{13}{24}

Therefore you're answer is option D "13/24."

Hope this helps!

8 0
3 years ago
Subtract. 5x^2-5x+1-(2x^2+9x-6)
Talja [164]
<h2>Hello!</h2>

The answer is:

3x^{2} -14x+7

<h2>Why?</h2>

To solve the problem we need to add/subtract like terms. We need to remember that like terms are the terms that share the same variable and the same exponent.

For example, we have:

x^{2} +2x+3x=x^{2} +(2x+3x)=x^{2}+5x

We have that we were able to add just the terms that were sharing the same variable and exponenr (x for this case).

So, we are given the expression:

5x^2-5x+1-(2x^2+9x-6)=5x^{2}-2x^{2}-5x-9x+1-(-6)\\\\(5x^{2}-2x^{2})+(-5x-9x)+(1-(-6))=3x^{2}-14x+7

Hence, the answer is:

3x^{2} -14x+7

Have a nice day!

4 0
3 years ago
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