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Veronika [31]
2 years ago
7

Hello please answer :) will give brainlst

Mathematics
1 answer:
maxonik [38]2 years ago
7 0
I believe it is ; for the number
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The question is in the picturere
Xelga [282]

Answer:

12

Step-by-step explanation:

you subtract the ordered pairs on the sides. then the ones on the top and bottom. then you add all of the sides

4 0
3 years ago
4- What are the different waysto solve a quadratic? List examples of each
TiliK225 [7]
I know of two ways to solve quadratic equations. The first is through factoring. Let us take the example (x^2)+2x+1=0. We can factor this equation out and the factors would be (x+1)(x+1)=0. To solve for the roots, we equate each factor to 0, that is

x+1=0; x+1=0

In this case, the factors are the same so the root of the equation is

x=1.

The other way is to use the quadratic formula. The quadratic formula is given as [-b(+-)sqrt(b^2-4ac)]/2a where, using our sample equation above, a=1, b=2 and c=1. Substitute these to the formula, and you will get the same answer as the method above.
8 0
2 years ago
What unit rate is 420 miles in 7 hours?
STatiana [176]

420 miles in 7 hours

420/7

60 miles per hour

5 0
2 years ago
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Melissa pulls the pep club to see which sport they like. She finds that 45 students like soccer only, 35 students like football
RoseWind [281]
The one that looks like this.

6 0
3 years ago
Simplify the following expression. x^-2/3* x^6/7
laiz [17]

Answer:

x^4/21

Step-by-step explanation:

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