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Jlenok [28]
3 years ago
12

I WILL GIVE BRAINLIEST By what percent will the product of two numbers change if one of them increased by 20% and the other decr

eased by 20%? I already know that it becomes smaller but the number I don't know! Please help, and show work
Mathematics
2 answers:
nexus9112 [7]3 years ago
6 0

Answer:

Step-by-step explanation:

%change=100(final-initial)/initial

%change=100(1.2(0.8)ab-ab)/ab

%change=100(.96-1)

%change=-4%

So the product is decreased by four percent.

Setler [38]3 years ago
5 0

Answer:

Assume that the number is 100. Then, 20% of 100 is 20×100100 = 20. Increasing 100 by 20% means increasing 100 by 20 and the resultant number is 120.

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Find the value of x. Round to the nearest tenth of a foot.
Reptile [31]

Answer:

17

Step-by-step explanation:

7 0
3 years ago
For each graph below, state wether it represents a function.
Paul [167]

Answers:

Row 1: No, No, No

Row 2: Yes, Yes, Yes

===============================

Explanation:

Use the vertical line test. If it is at all possible to draw a single vertical line through more than one point on the relation curve, then the relation is not a function. This is because a function is only possible when any x input leads to exactly one y output.

So that's why graphs 1,2,3 are not functions, while graphs 4,5,6 are functions.

8 0
3 years ago
30 + (.0825 x 30) + (15% x 30) =
Vanyuwa [196]

30×·15=4.50

then subtract 30 by 4.50 to get 25.50

.0825×30=2.475

now add 2.475+25.50+30= 57.975 round to 57.98


5 0
3 years ago
Is it possible to draw a triangle with these measurements 90, 60, 60
Hoochie [10]

Answer:

it is possible to draw a triangle with angles 90 degree, 60degree and again 60 degree

8 0
2 years ago
F(x)=(5x+3)(x−2)(3x+7)(x+5) has zeros at x = -5, x = -7/3, x = 2
musickatia [10]

The sign of f on the interval -7/3 < x < -3/5 is always positive.

<h3>How to solve for the sign on the interval</h3>

We have the equation

(5x+3)(x−2)(3x+7)(x+5) > 0

Now when f(x) > 0

Then -7/3 < x < -3/5

This would tell us that the sign would become positive when it changes from the less than to greater than sign

<h3>Complete Question</h3>

f(x)=(5x+3)(x-2)(3x+7)(x+5) has zeros at x=-5, x=-7/3, x=-3/5, and x=2

What is the sign of f on the interval -7/3<x<-3/5?

answer choices

f is always positive on the interval

f is always negative on the interval

f is sometimes positive and sometimes negative on the interval

f is never positive or negative on the interval

Read more on polynomials here:

brainly.com/question/2833285

#SPJ1

5 0
2 years ago
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