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nadya68 [22]
3 years ago
8

3(4a + 2) = 2(a - 2)?

Mathematics
1 answer:
Likurg_2 [28]3 years ago
8 0

Answer:

A= -1

Step-by-step explanation:

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Y=4x and x+y=5 6-2 substitution
fiasKO [112]

Answer:

x=1, y=4. (1, 4).

Step-by-step explanation:

y=4x

x+y=5

----------

x+4x=5

5x=5

x=5/5

x=1

y=4(1)=4

5 0
3 years ago
The second and forth pic is the answers to the first and third pic.. second pic is the answers to first pic and the forth pic is
Deffense [45]

Answer:

pic # 1 answer is B. 81 x pi

pic#3 answer is C. QC

Step-by-step explanation:

pic #1

         the formula to find the area of a circle is pi x the radius to the second power

they give you the diameter. (18)

the radius is half of a diameter (d/2)

so 18/3 = 9

9 to the second power (9 x 9) = 81

so your answer is 81 x pi

pic#2

        I don't much, but i do know they asking for the radius and since the radius is half the diameter of a circle then QC makes sense in my book.

hope this is helpful.

7 0
3 years ago
Read 2 more answers
If the side of an equatorial triangle is L then express the perimeter of the triangle in terms of L.​
bezimeni [28]

Answer:

3L

Step-by-step explanation:

<em>Perimeter is the sum of side lengths</em>

Since the triangle is equilateral, it has all sides equal and each has length of L

<u>So perimeter is:</u>

  • P= L+L+L = 3L
8 0
3 years ago
(<br> 3.9<br> ×<br> 10<br> −<br> 5<br> )<br> (<br> 7<br> ×<br> 10<br> −<br> 3<br> )
tangare [24]

Answer:

2278

Step-by-step explanation:

(3.9×10−5)(7×10−3)

= (39 - 5)(7 x 10 -3)

= (39 - 5)(70-3)

= 34(70-3)

= 34 x 67

= 2278

4 0
3 years ago
What is 92,328,425 in word form
Angelina_Jolie [31]
Ninety two million, three hundred twenty eight thousand, four hundred twenty five HOPE I HELPED
5 0
3 years ago
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