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wlad13 [49]
3 years ago
8

The slopes of perpendicular lines are

Mathematics
2 answers:
jeka943 years ago
5 0
The slopes of perpendicular lines are opposite and reciprocals.
Andrews [41]3 years ago
4 0
The slopes of perpendicular lines are both opposite and reciprocals.
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What is 66×94÷996-9 Please answer quicly
zhenek [66]

Answer:

I am pretty sure it's −2.7710843373

8 0
3 years ago
Read 2 more answers
can someone please explain to me how to answer this question and also the equation to find the answer
Leona [35]
If #peaches = x and #plums = y we can write the following equations:

x+y=15
0.89x + 0.39y = 8.85

and x and y are whole numbers.

converting the first to x=15-y and plugging it into the second, you get

0.89(15-y) + 0.39y = 8.85 =>
13.35 - 0.89y + 0.39y = 8.85 =>
4.5 = 0.5y =>
y = 9

so x = 15-9 = 6

She bought 9 plums and 6 peaches.


6 0
3 years ago
Given the following exponential function, identify whether the change represents growth or decay, and determine the percentage r
NISA [10]

The <em>exponential</em> function y = 290 · 0.31ˣ reports a decay as its <em>growth</em> rate is less than 1 and greater than 0. Its <em>percentage</em> rate of decrease is equal to 69 %.

<h3>How to determine the behavior of an exponential function</h3>

<em>Exponential</em> functions are <em>trascendental</em> functions, these are, functions that cannot be described <em>algebraically</em>. The <em>simplest</em> form of <em>exponential</em> functions is shown below:

y = a · bˣ     (1)

Where:

  • a - Initial value
  • b - Growth rate
  • x - Independent variable.
  • y - Dependent variable.

Please notice that this kind of <em>exponential</em> function reports a <em>growth</em> for b > 1 and <em>decay</em> for b < 1 and b > 0. According to the statement we have the function y = 290 · 0.31ˣ, then we conclude that the exponential function given reports a <em>decay</em>.

The <em>percentage</em> rate of decrease is determined by the following formula:

100 × (1-0.31) = 100 × 0.69 = 69 %

The <em>percentage</em> rate of decrease related to the <em>exponential</em> function is 69 %.

To learn more on exponential functions: brainly.com/question/11487261

#SPJ1

7 0
1 year ago
A function of the form f(x) = abx is modified so that the b value remains the same but the a value is increased by 2. How do the
olga nikolaevna [1]

Answer:

The range stays the same.

The domain stays the same.  

Step-by-step explanation:

The function f(x)=ab^{x} is an exponential function, where <em>a</em> is the coefficient, <em>b</em> is the base and <em>x</em> is the exponent.

The domain for this kind of functions is: All real numbers.

And the range is: (0,∞); this happen because the exponential functions are always positive when <em>a</em>>0.

Therefore, if the value of <em>a</em> is increased by 2, the domains will stay the same and the range will stay the same: (0,∞). The coefficient does not change the domain or the range if it keeps the same sign.

6 0
3 years ago
Read 2 more answers
Solve the inequality 7 + x ≤ 10. A. x ≥ −3 B. x ≥ 3 C. x ≤ 3 D. x ≤ −3
Rudik [331]
Subtract 7, so the answer is x <= 3, or C.
5 0
3 years ago
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