What is the algebraic expression of 7w-6-3w+5

Answers

Answer 1
Answer: Combine like terms

7w - 3w = 4w

-6+5 = -1

4w - 1

Final answer: 4w - 1
Answer 2
Answer: the answer is 4w-1 because first you get all like terms together then you simplify

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What is the standard form of this number 1.46e-6

Answers

Answer:

1.46e-6=0.00000146

Step-by-step explanation:

Given : Number 1.46e-6

To find : What is the standard form of this number ?

Solution :

We know that, The number given is in scientific form in which "e" represents the number of zeroes placed as decimal to the right.

So,e-6=10^(-6)

In standard form,

1.46e-6=1.46* 10^(-6)

1.46e-6=(1.46)/(1000000)

1.46e-6=0.00000146

Therefore, The standard form is1.46e-6=0.00000146

The number 1.46 * 10^(-6) in scientific notation can be written in standard form as 0.00000146

In scientific notation, a number is expressed as the product of a decimal number (between 1 and 10) and a power of 10.

In this case, 1.46 * 10^(-6) can be interpreted as follows:

1.46 is the decimal number, which is between 1 and 10.

e-6 indicates that we need to multiply 1.46 by 10 raised to the power of -6.

To convert it to standard form, perform the multiplication.

10 raised to the power of -6 is equal to 0.000001.

So, multiplying 1.46 by 0.000001 gives us 0.00000146.

Therefore, the standard form of the number 1.46 * 10^(-6) is 0.00000146.

Learn more about Scientific notation here:

brainly.com/question/19625319

#SPJ6

if the graph of an exponential function passes through the points (1,6) and (4,48) find an equation of the function

Answers

one way is trial and error
equation of exonential is
y=a(b^x)
lets try some stuff
one way is trial and error
after 20 minutes we come up with y=3(2^x)

another way is recognizing that this is a sequence
a_(n)=a_(1)r^(n-1)
a1=6, cool
sub
a4=48
48=a_(4)=6r^(4-1)
48=6r^(3)
dividie everybody by 6
8=r^(3)
cube root
2=r

therefor

equation is
f(x)=3(2^x) or y=3(2^x)
When you write an equation of a line, you first have to find the slope. The equation for slope is (y∨2 - y∨1) / (x∨2 - x∨1), so fill that in with your coordinates.

(48 - 6) / (4 - 1)      Subtract your two sets.
42 / 3                     Divide
14               

So, you know the slope of the equation is 14. Now, you fill in the point-slope equation, (y - y∨1) = m(x - x∨1). Fill it in with one set of coordinates and solve.

(y - 6) = 14(x - 1)     Distributive Property
y - 6 = 14x - 14        Add 6 to both sides.
y = 14x - 8 

Family of facts 5 5 10

Answers

5+5=10
5+5=10
10-5=5
10-5=5
(A fact family is a set of three [or two] numbers that can be related by addition and subtraction, for example: 7 = 4 + 3, 7 = 3 + 4, 7 - 4 = 3, and 7 - 3 = 4. When the number is a double, there are only two members of the fact family. An example would be 10 - 5 = 5, and 5 + 5 = 10.)i hope i helped u

Ok i have two algebra questions1.) Subtract: (7x^2-x-2)-(-6x^3+3)

A.) 6x^3+7x^2-x-5
B.) -6x^3+7x^2-x+1
C.) -x^3-x-5
D.) x^2-x+1


2.) f^2*f^4

A.) (2f)^8
B.) (2f)^6
C.) f^8
D.) f^6



Please explain how you got the last one.

I would appreciate it.

And i will thank you if its easy to understand

:)

Answers

Problem A: (7x^2-x-2)-(-6x^3+3)

You can consider the subtraction similiar to a -1(
-6x^3+3). The 1 is implied. So to distribute that negative, we multiply this out.

-6x^3+3 becomes 6x^3 - 3

Our problem is now: 7x^2-x-2 + 6x^3 - 3

Now we add together like items. Let's rearrange for our sanity.

+ 6x^3 + 7x^2 - x - 2 - 3

Simplify: 6x^3 + 7x^2 - x - 5

Unfortionately, outside of factoring or something along those lines, that's as simple as we can get it. So the answer is A.

Problem B: f^2*f^4

Math rules tell us when we multiply the same bases with exponents, we add the exponents together. But the base doesn't change.

4+2 = 6. So: f^6 (D)

That's the easy answer: Math rules say so.

To expand on that specific rule, consider x^2 * x^3. What at the root are these saying? Multiply 2 copies of X, and then multiply 3 copies of x.

We can rewrite this same equation as x*x * x*x*x. 

Remember that since all of these are multiplication, there is no order of operations that needs to be followed.

If we were simplifying that version of the equation, we would write x ^ 5.


Help me with that please

Answers

About $5.26 will be deducted from $50

So he will get $44.74

18/15 into a mixed number

Answers

(18)/(15) = (18:3)/(15:3) = (6)/(5) =1 (1)/(5)