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Andrei [34K]
3 years ago
13

Simplify ; 7a+4b+7a-3b

Mathematics
2 answers:
Afina-wow [57]3 years ago
8 0
14a+b is the correct answer
LuckyWell [14K]3 years ago
8 0
The answer is 14a+b
You need to add the like terms together: 
7a+7a=14a
4b-3b=b (1b is the same as "b" but 1b is sloppy)
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What root of x does the expression (x^3/8)^2/3 yield?
Yuki888 [10]
The rule for exponents of exponents is:

a^b^c=a^(b*c), in this case:

x^(3/8)^(2/3)

x^((3/8)*(2/3))

x^(6/24)

x^(1/4)

So x^(1/4) is equal to the fourth root.
3 0
3 years ago
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If the length of the side of a square is 3×-y what is the area of the square in terms of x and y
soldier1979 [14.2K]
(3x -y)(3x-y )= 9x^2 - 6xy + y^2
5 0
3 years ago
Can someone please explain?
geniusboy [140]

This is an isosceles triangle. The angles at the base are congruent (they have the same measures).

Look at the picture.

We know: The sum of the measures of angles in a triangle is equal 180°.

Therefore we have the equation:

2x-10+2x-10+3x+25=180       <em>combine like terms</em>

(2x+2x+3x)+(-10-10+25)=180

7x+5=180           <em>subtract 5 from both sides</em>

7x=175              <em>divide both sides by 7</em>

x=25

m\angle A=2x-10\to m\angle A=2(25)-10=50-10=40\\\\m\angle C=m\angle A=40\\\\m\angle B=3x+25\to m\angle B=3(25)+25=75+25=100^o

<h3>Answer: D. m∠C = 40</h3>

6 0
3 years ago
Help pls I don't know how to explain it ​
a_sh-v [17]

Answer: C

Step-by-step explanation:

On the left side, there are 2 triangles and 6 2's, so this equals 2x+12.

On the right side, there are 4 triangles and 2 2's, so this equals 4x+4.

Meaning 2x+12=4x+4.

12=2x+4

2x=8.

3 0
2 years ago
What number is 12 times greater than the sum of the absolute values of the numbers 47 and (-56)
AysviL [449]

Answer:

1,236

Step-by-step explanation:

The absolute value defines as being the positive of the number.

Absolute value of 47 - 47

Absolute value of (-56) - 56

47 + 56 = 103

103 * 12 = 1,236

Hope this helps!

7 0
3 years ago
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