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LiRa [457]
3 years ago
5

Write a mathematical expression for the word expression. Seven times a number plus one

Mathematics
2 answers:
abruzzese [7]3 years ago
7 0

Answer:

7x +1

Step-by-step explanation:

Troyanec [42]3 years ago
6 0
7x+1 (x is the variable representing the number)
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What is the domain and range?
Rasek [7]

Answer:

Domain:- All real numbers

Range:-[3,infinite)

Step-by-step explanation:

In the function there's no value of x for which it is not defined thus domain is R.

Now a modulus will have always it's minimum value 0 thus minimum value of function is 0+3=3. And Max value of a modulus is infinite so infinite+3=infinite.

6 0
3 years ago
A dolphin jumps from the water at an initial velocity of 16 feet per second. The equation h + -16t^2 + 80t models the dolphin's
Dominik [7]

Answer:

100feet

Step-by-step explanation:

Given the height reached by a dolphin expressed by the equation is h = -16t^2 + 80t. At maximum height, the velocity is zero, hence;

v(t) = dh/dt = -32t + 80

0 = -32t + 80

32t = 80

t = 80/32

t = 2.5secs

Substitute t = 2.5 into the height formula h = -16t^2 + 80t

h = -16(2.5)^2 + 80(2.5)

h = -100+200

h = 100feet

Hence  the maximum height the dolphin jumps is 100feet

3 0
3 years ago
What are the equations for these graphs
telo118 [61]
There are no graphs available.
4 0
3 years ago
A medication is 69 % effective against a bacterial infection. Find the probability that if 8 people take the medication at least
Sauron [17]

Answer:

5.52%

Step-by-step explanation:

there is a 5.52% chance of it not improving you do 69% of 8 and that determines if its not gonna get better.

3 0
3 years ago
System of Linear Equations
dedylja [7]

Answer:

X=6

Y= - 1

Step-by-step explanation:

X-y =7

X+y =5 cross - y and y

_______

X+x =7 +5

2x= 12

X= 12/2

X= 6

Replace X in first equation:

X - y =7

6 - y =7

6 - 7 =y

y = - 1

Hope this helps you.. Good Luck!

8 0
3 years ago
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