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icang [17]
3 years ago
10

F(x)=2x+1if f(x)=4, what is the value of x?​

Mathematics
1 answer:
Lady bird [3.3K]3 years ago
3 0

Answer:

1.5

Step-by-step explanation:

F(x)=2x+1

For F(x) = 4

F(x)=2x+1 = 4

2x = 4 - 1

2x = 3

Dividing through by 2

2x/2 = 3/2

X = 3/2 = 1.5

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3 years ago
Mr. Soto plans to open a savings account. Four banks offer the annual interest rates shown. Which list shows these interest rate
Delvig [45]
Ok, so IDK if I'm about to do this problem right, but here we go;


so first, lets change these all to decimals (I more of a decimal gal)

3 1/2 = 3.5
3 2/3 = 3.6666 (repeating)
3 3/5 = 3.6
3 3/8 = 3.375

So now, just order them from greatest to least.  

3.66666, 3.6, 3.5, 3.375.  

Now, change them back to fractions.  
3 2/3, 3 3/5, 3 1/2, 3 3/8


So, if I'm correct, the answer is 3 2/3%, 3 3/5%, 3 1/2%, 3 3/8%
Hopefully I solved your problem! 
6 0
3 years ago
What is the perimeter of the triangle?<br>​
Naya [18.7K]

Answer:

30 units

Step-by-step explanation:

if you count the boxes that each side takes up you get the first side being equal to 5 units and the base being equal to 12 units. because this is a right triangle to find the length of the hypotenuse you have to use the Pythagorean equation. when you input the values into the equation you get 5^2 + 12^2 = 169 which square roots to 13. after doing this you have the length of the final side, now input them into the formula for the perimeter of a triangle which is a + b + c and you get a perimeter of 30 units,

Please mark as brainliest :)

7 0
3 years ago
Read 2 more answers
How to simplify 8(7+8u)
Sliva [168]

Answer:

56+64u

Step-by-step explanation:

distribute the 8

56+64u

8 0
3 years ago
Read 2 more answers
I will mark Brainliest!!
EastWind [94]

Answer:

C.) -5 and 5

Step-by-step explanation:

Plug in -5 & 5 separately for x.

Plug in -5 for in the equation. Remember to follow PEMDAS. First solve for power, then multiplication.

2(-5)² = 50

2(25) = 50

50 = 50 (True).

Plug in 5 into the equation for x. Remember to follow PEMDAS. First solve for power, then multiplication.

2(5)² = 50

2(25) = 50

50 = 50 (True).

~

7 0
3 years ago
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