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2 years ago

(50×2)+(15×2) equals

Mathematics

2 answers:

Kazeer [188]2 years ago

7 0

130, add 50 times 2 and 15 times 2

prohojiy [21]2 years ago

3 0

The answer is 130. you do the math in the parentheses first then you add those two numbers together

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If f(x)=x^2+3x+4 which of the number choices represents (f(x+h)-f(x))/h?

Helen [10]

In case you're not already aware, the expression $\frac{f(x+h)-f(x)}h$ is called the "difference quotient" and represents the average rate of change of a function $f$ over an interval $[x,x+h]$ .

For the function $f(x)=x^2+3x+4$ , by substituting $x+h$ we get

$f(x+h)=(x+h)^2+3(x+h)+4=(x^2+2xh+h^2)+(3x+3h)+4=x^2+3x+4+(2x+3)h+h^2$

Then the difference quotient is

$\dfrac{f(x+h)-f(x)}h=\dfrac{(x^2+3x+4+(2x+3)h+h^2)-(x^2+3x+4)}h$

$=\dfrac{(2x+3)h+h^2}h=2x+3+h$

where the last equality holds as long as $h\neq0$ .

5 0

3 years ago

Hello what is 100^4<br> pls help asap my homework

finlep [7]

$▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪$

Solution ~

$100 {}^{4}$

$100 \times 100 \times 100 \times 100$

$100000000$

or it can also be expressed as ~

$10 {}^{8}$

6 0

2 years ago

Read 2 more answers

In a study, subjects are randomly assigned to one of three groups: control, experimental A, or experimental B. After treatment,

Pepsi [2]

Answer:

Analysis of variance

Step-by-step explanation:

The appropriate statistical tool for this is the analysis of variance. The analysis of variance, also known as the ANOVA, is a statistical method which has the ability to separate data from observed variance into various components which is then use for more tests.

The anova gives an analysis of the differences that are in the group means of a sample.

4 0

2 years ago

Which expression represents, six times a number plus 8 times a number?

Goryan [66]

B is the answer 6a + 8b

6 0

3 years ago

Y=-2x graphed. had to put more words to put this out

timurjin [86]

Slope-intercept form:

y = mx + b