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butalik [34]
3 years ago
15

-4y-4+(-3) what is my answer?

Mathematics
2 answers:
Paha777 [63]3 years ago
6 0

Answer:

-4y - 7

Step-by-step explanation:

-4y-4+(-3) what is my answer?

Here, you just find the like terms and combine them.

4 and -3 are like terms

So, we must combine them.

Remember that a positive plus a negative is the same thing as just subtracting.

-4 + -3 = -4 - 3

-4 - 3 = -7

-4y = -4y

So, our answer is -4y - 7

poizon [28]3 years ago
5 0
Always remember that:
Minus x Minus = Plus
E.g. -2 x -3 = 5
Minus x Plus = Minus
E.g. -2 x 3 = -5
Plus x Plus = Plus
E.g. 2 x 3 = 5

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What is the slope of the line that contains these points?
mash [69]

Answer:

y=1/4x+18.5

Step-by-step explanation:

6 0
3 years ago
About 12% of individuals write with their left hands. If a class of 130 students meets in a classroom with 130 individual desks,
Lynna [10]

Answer:

0.1019

Step-by-step explanation:

Probability, p=12%=0.12

Sample size, n=130 students

Those writing with left=14 students

Using the formula for binomial distribution

P(X≤x)=\left[\begin{array}{}n\\x\end{array}\right]p^{x}(1-p)^{n-x}

Substituting 0.12 for p, 130 for n, 14 for x we obtain

P(X≤x)=\left[\begin{array}{}130\\14\end{array}\right]0.12^{14}(1-0.12)^{130-14}

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3 0
3 years ago
What is the LCD of 11/12 and 1/8
s344n2d4d5 [400]
11/12 and 1/8
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12 24 36
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7 0
3 years ago
What is the average rate of change for ƒ(x) = −3x + 79 over the interval 2 ≤ x ≤ 4?
Ainat [17]

Answer:

The average rate of change is -3.  

Step-by-step explanation:

Given : Function f(x)=-3x+79 over the interval 2 ≤ x ≤ 4.

To find : What is the average rate of change ?

Solution :

Function f(x)=-3x+79 over [2,4]

The rate of change is the slope of the line,

So, \text{Rate of change}=\frac{f(4)-f(2)}{4-2}

f(4)=-3(4)+79

f(4)=-12+79

f(4)=67

f(2)=-3(2)+79

f(2)=-6+79

f(2)=73

Substitute,

\text{Rate of change}=\frac{67-73}{4-2}

\text{Rate of change}=\frac{-6}{2}

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Therefore, The average rate of change is -3.

8 0
3 years ago
Read 2 more answers
Another question what's the formula for an open end of a cylinder??​
Kay [80]

Answer:

Formula for an opened end of a cylinder =

\pi r^2 +2\pi rh\\

Closed at both end =

2\pi r^2 +2\pi r h

Opened at both end =

2\pi rh

Step-by-step explanation:

6 0
3 years ago
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