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inna [77]
3 years ago
11

I need help with this what’s the answer

Mathematics
2 answers:
Vikentia [17]3 years ago
8 0
Twice the weight: 2x
2.5 pounds more: +2.5
2x + 2.5
The solution would be B
Dovator [93]3 years ago
7 0

Answer:

b

Step-by-step explanation:

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Graph f(x)=2x and g(x)=2^x on the same coordinate plane. What is the solution to the equation f(x)=g(x) ? Enter your answer in t
Serjik [45]

Answer:

(1,2)\:\:and\:\:(2,4)

Step-by-step explanation:

The graph of the two functions are shown on the same diagram in the attachment above;

The solution to the equation f(x)=g(x) is where the two graphs intersected.

These points are

(1,2)\:\:and\:\:(2,4)

8 0
3 years ago
Read 2 more answers
Solve the following simultaneous linear equations.<br>2x + y = 5<br>4x – 3y = -10​
Jet001 [13]

Answer:

(1/2,4)

Step-by-step explanation:

First, determine y in first equation: 2x+y=5 or  y=5-2x

replace value of y determined in first equation (5-2x) into 2nd equation    

4x-3(5-2x)=-10

4x-15+6x=10

10x=5

x=1/2

put value of x into either equation to solve for y so

2(1/2)+y=5

1+y=5

y=4

answer: x=1/2, y=4

check answer by substituting x and y into either equation:

4x-3y=-10

4(1/2)-3(4)=-10

2-12=-10

-10=-10

or

2x+y=5

2(1/2)+4=5

1+4=5

5=5

7 0
3 years ago
3x+122=22x-11<br>i need help!
nasty-shy [4]

3x + 122 = 22x - 11

    +11                + 11

3x + 133 = 22x

-3x            -3x

133 = 19x

x = 7

5 0
3 years ago
Read 2 more answers
Explain number 2 &amp; 3 please
VLD [36.1K]
1. 3x - 2y = 0 => y = 3/2x
4x + 2y = 14<=> 4x + 2*(3/2x) = 14<=> 7x = 14<=> x = 2 & y = 3
2.3p + q = 7=> q = 7 - 3p
2p - 2q = -6<=> 2p - 2*(7-3p) = -6<=> 2p - 14 + 6p = -6<=> 8p = -6 + 14 = 8<=> p = 1 & q = 4
3.3x - 2y = 1=> x = (1+2y)/3
8x + 3y = 2<=> 8*(1+2y)/3 + 3y = 2<=> 8*(1+2y)/3 - 2 = -3y<=> 3*(8*(1+2y)/3 - 2) = -3*(3y)<=> 8*(1+2y) - 6 = -9y<=> 8 + 16y - 6 = -9y<=> 2 = -25y<=> y = -2/25 & x = 7/25
7 0
3 years ago
Is the sum even or odd? 6+7
valentina_108 [34]
Odd.................................

4 0
3 years ago
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