Solve the equation 4+0.3x=19

Answers

Answer 1

Answer: Step #1). Subtract 4 from each side of the equation.

Step #2). Divide each side by 0.3 .

At this point, be careful. The answer will jump up off the paper
into your face.

Answer 2

Answer:

4+0.3x=19

0.3x=19-4

0.3x=15

x=15/0.3

x=50

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Find the y-intercept of f(x)=2x^2-2x+1

Answers

The y-intercept of the function f(x) = 2x^2 - 2x + 1 is (y = 1), as determined by substituting (x = 0) into the function, resulting in (f(0) = 1). This point represents the value of the function when it intersects the y-axis.

To find the y-intercept of the quadratic function f(x) = 2x^2 - 2x + 1, we need to determine the value of f(x) when x is equal to 0. The y-intercept occurs when x = 0 because it represents the point where the graph of the function intersects the y-axis.
So, substitute x = 0 into the function:
f(0) = 2(0)^2 - 2(0) + 1
f(0) = 0 - 0 + 1
f(0) = 1
Therefore, when x = 0, the value of the function f(x) is 1. This is the y-coordinate of the y-intercept. The point representing the y-intercept is (0, 1).
So, the y-intercept of the function f(x) = 2x^2 - 2x + 1 is 1. This means that the graph of the function intersects the y-axis at the point (0, 1).

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Answer:

Step-by-step explanation:

8k/3=32 ??? How do i solve this???

Answers

Don't sweat it. It looks complex but i will try to help explain it.
First all this equation ids saying is 8 times a number k divided by 3=32
So,First we get rid of the three.So it says divide by three so we do the opposite operation. So.So 32*3=96
Now we have 8k=96
So our goal is to get x by it self so we divide by 8 because we need to do do the opposite operation.

We get x=12

Sandra has 18 bags of peanuts to hand out to 9 friends. How do I draw a bar diagram to help solve how many peanuts she will give each friend?

Answers

For each friend, there will be 2 numbers of peanuts.

What is an expression?

The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.

Given that Sandra has 18 bags of peanuts to hand out to 9 friends. The number of the peanuts bag will be calculated as,

Number = 18 / 9

Number = 2 bags

Therefore, the for each friend, there will be 2 numbers of peanuts.

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Answer:

18÷9=2

Step-by-step explanation:

you divide 18÷9=2

4 (2a+3b)(5x+y)
How many factors make up this product ?

Answers

Three factors: "4", "2a+3b" and "5x+y"

The difference of 2 and the product of 3and k

Answers

2-3k because the difference between something means it is subtraction and the product of 3 and k would just be 3k since you don't know what k is.

Explain how to find 40 times 80 using mental math

Answers

Using mental math's, the product of 40 times 80 is: 120

How to find the product of numbers?

We want to find the number product given as:

40 times 80

Now, this can be expressed as:

40 * 80

This means a product or multiplication of 40 and 80.

We can break the numbers down as:

40 = 4 * 10

80 = 8 * 10

Thus, we have:

(4 * 10) + (8 * 10)

= 10(4 + 8)

= 10 * 12

= 120

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First you can use simple multiplication. Take out the zeroes from 40 and 80. You get 4 and 8. 4 multipled by 8 is 32. so that means that 80 times 40 is 320

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