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Tanya [424]
3 years ago
12

5.15 x 10b = 51.5, when b =

Mathematics
2 answers:
Kipish [7]3 years ago
7 0
5.15 × 10b = 51.5
= 10b = 10
= b = 1
5.15 × 10(1) = 51.5
Serjik [45]3 years ago
6 0
B =1 because u simplify both side of the equation and then divide both sides by 51.5
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Help please! How would I solve a 2 step equation like this? 4(x-2)=14
sattari [20]

Answer: Hi!

Okay. So this equation we will solve using something called the distributive property. We use the distributive property to multiply the terms inside the parentheses (x and -2) by the term outside and in front of the parentheses (4). First, we would multiply 4 * x, which is 4x. Then, we would multiply 4 * -2, which is -8. Out equation now looks like this:

4x - 8 = 14

Our goal is to isolate the x, so now we'll use inverse operations to remove the -8 from the equation. The inverse operation for subtraction is addition, so we would add 8 to both sides:

4x - 8 = 14

   + 8  + 8

The eights cancel out, so we're left with this equation:

4x = 22

Last step! We're almost done. All we have to do now is divide 4 on both sides; in the term 4x, 4 is being multiplied by x, so the inverse operation would be division.

4x ÷ 4 = x

22 ÷ 4 = 5.5

Our equation now looks like this:

x = 5.5

So, 5.5 is equal to x! This would be your answer!

Hope this helps!

6 0
3 years ago
What is the value of x in the equation log5 x = 4 jmap?
steposvetlana [31]
To solve for x we proceed as follows:
from the laws of logarithm, given that:
log_a b=c
then
a^c=b
applying the rationale to our question we shall have:
log_5 x=4
hence
5^4=x
x=625
Answer: x=625
5 0
4 years ago
What is the axis of symmetry of g(x)=2(x-4)(x+2)
maksim [4K]
I think the answe would be 4(56x)
7 0
3 years ago
Rafael was asked to construct a square inscribed in a circle. He drew a circle and a diameter of the circle. Describe how to com
Sergeeva-Olga [200]

Answer:

The diameter of the circle must be equal to the diagonal of the square.

Step-by-step explanation:

In order to draw a square inscribed with in the circle, the diameter of the circle must be equal to the diagonal of the square.

a) Draw a circle with center O

b) Draw the diameter of the circle with end points A and B  

c) Draw perpendicular bisector of diameter AB intersecting the circle at point C and D

d) Now connect point A, B, C and D

7 0
3 years ago
The sum of three numbers is 104. The first number is 10 less than the second. The third number is 4 times the second. What are t
AnnyKZ [126]

Answer:

The numbers are 9, 19 and 76.

Step-by-step explanation:

Let's take the second number and make it a variable, like x. Now let's find all the other numbers in terms of x.

The first number in terms of x:

x - 10

The second number in terms of x:

4x

If we add them all up, these 3 numbers in terms of x must be equal to 104, so:

x + (x - 10) + (4x) = 104 \\ x + x - 10 + 4x = 104 \\ 6x - 10 = 104 \\ 6x = 114 \\ x = 19

Now that we know the second number, we can find the other numbers since we already figured out their values in terms of x:

19 - 10 = 9

4 \times 19 = 76

The first number is 9, second number 19 and the third number 76.

6 0
3 years ago
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