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DochEvi [55]
3 years ago
8

Subtracting a negative number gives the same answer as adding that number.

Mathematics
2 answers:
vazorg [7]3 years ago
6 0
It would be 7 because 16-7=23 if that helps
Lady bird [3.3K]3 years ago
5 0
The correct answer is 7
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The graph is of a function in the form p(t) = a*b^t. What is the function?
DanielleElmas [232]

Answer:

  p(t) = 5*2^t

Step-by-step explanation:

We can solve for 'a' and 'b' using the point coordinates shown on the graph.

<h3>Setup</h3>

Substituting for (t, p(t)), the two equations we can make from the given points are ...

  p(t) = a*b^t

  5 = a*b^0 . . . . . . . (t, p(t)) = (0, 5)

  10 = a*b^1 . . . . . . . (t, p(t)) = (1, 10)

<h3>Solution</h3>

The first equation tells you ...

  5 = a

The second equation tells you ...

  10 = 5*b

  2 = b

<h3>Equation</h3>

The function is ...

  p(t) = a*b^t

  p(t) = 5*2^t

5 0
2 years ago
I need the answer ASAP please
lara [203]

a \leq 7

because 4a + 7 - 7 \leq 35 - 7

equals 4a \leq 28

and 4a/4 \leq 28/4

equals a \leq 7

5 0
3 years ago
Read 2 more answers
What is the equation of the ellipse with foci at (5, 0), (-5, 0) and vertices (9, 0), (-9, 0)?
forsale [732]

Answer: \dfrac{x^2}{81}+\dfrac{y^2}{56}=1

Step-by-step explanation:

General equation of ellipse : \dfrac{x^2}{a^2}+\dfrac{y^2}{b^2}

Given: Vertices of ellipse : (± 9,0)

Since the vertices are of the form (± a, 0).

i.e. a=9

Thus, the major axis is along x-axis.

Also, foci of the ellipse = (±5,0)

Since, foci is of the form (± c,0), i.e. c=5

Since

c^2=a^2-b^2\\\\\Rightarrow\ 5^2= 9^2-b^2\\\\\Rightarrow\ b^2=81-25\\\\\Rightarrow\ b^2=56

Equation of ellipse :

\dfrac{x^2}{9^2}+\dfrac{y^2}{56}=1\\\\\Rightarrow\ \dfrac{x^2}{81}+\dfrac{y^2}{56}=1

Hence, the required equation : \dfrac{x^2}{81}+\dfrac{y^2}{56}=1

8 0
4 years ago
A friend tells you to apply for a sales job at a certain company because the mean income of salespeople last year was $47,500. L
Andrew [12]

Answer:

it depends on if i think i could succeed in tha job

Step-by-step explanation:

7 0
4 years ago
Read 2 more answers
If the price of the early bird session is 2x - 3 and the price of the mid-morning session is 5x + 6, find an expression that rep
Travka [436]
Apply distributive property
(5x+6)-(2x-3)
=5x+6-2x+3 arrange like terms
Simplify =5x-2x+6+3
Equals 3x+9 final answer
8 0
3 years ago
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