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frosja888 [35]
3 years ago
11

What is A=7x^2-3x+10 B=-4X^2+6x-4 A-B=

Mathematics
1 answer:
Novay_Z [31]3 years ago
3 0

Answer:

Step-by-step explanation:

3x^2+3x-6

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PLEASE HELP!!!!!
Ne4ueva [31]

Answer:

Equation: 30=2(x-2)+2(2x+3)

x:\frac{14}{3}

Step-by-step explanation:

By definition, the perimeter of a figure can be calculated by adding the lenghts of its sides.

Knowing this, you can write the following equation:

P=2(x-2)+2(2x+3) <em> [Equation 1]</em>

According to the data given in the exercise, the perimeter in feet of the fighter is:

P=30

Therefore, you can substitute this values into<em> [Equation 1]:</em>

30=2(x-2)+2(2x+3)

Finally, you must solve for "x" in order to find its value. This is:

30=6x+2\\\\30-2=6x\\\\\frac{28}{6}=x\\\\x=\frac{14}{3}

3 0
3 years ago
What's greater 11/16 or 0.688?
KengaRu [80]
11/16..." / " means divide....= 0.6875
0.688

when comparing, if it makes it easier, line ur decimals up and put a zero in any empty spaces...

0.6875
0.6880 (this is the same as 0.688)

so the one that is bigger is : 0.688 <==
8 0
4 years ago
X - 2/5 = 1/3 <br> what is x?<br> thanks x
Bogdan [553]

Isolate x. First, add 2/5 to both sides

x - 2/5 (+2/5) = 1/3 (+2/5)

x = 1/3 + 2/5

to simplify, find common denominators (15 in this case). Multiply the same number to both the denominator and numerator

(1/3)(5/5) = 5/15

(2/5)(3/3) = 6/15

x = 5/15 + 6/15

Simplify

x = 11/15

11/15 is your answer for x

hope this helps

6 0
4 years ago
Read 2 more answers
5 + 3x – 2x = 31 – 6 – 5<br> What is the answer?
san4es73 [151]

Answer:

x=15

Step-by-step explanation:

i just know its right

3 0
4 years ago
What would be the cross section from a vertical slice of a hexagonal pyramid
pashok25 [27]
A cross section is the shape you see when you make one slice through a solid. A solid can have many different cross sections depending on where you make the slice. Consider the following hexagonal pyramid. Cross sections perpendicular to the base and through the vertex will be triangles.


Hope this helps!! - xeyaba
7 0
4 years ago
Read 2 more answers
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