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bija089 [108]
3 years ago
8

Need help these 3 math ?​

Mathematics
1 answer:
KiRa [710]3 years ago
5 0

Answer:

I can't see the problem, sorry.

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:Phil’s age decreased by 9 years is 14 years ?
Crank

Answer:

Phil is 23

Step-by-step explanation:

Add 14 to 9 and you get 23. So then you subtract 9 from 23

8 0
3 years ago
T<29. graph your inequality for problem number 3​
Pepsi [2]
I graphed it. First you choose a number that’s less than 29 and greater than 29 which I chose 0 and 100 but it didn’t let me show the whole picture

4 0
3 years ago
Which of the dollar is the solution set for -3t + 11> 20?
AVprozaik [17]
T <-3 is the answer i hope this helps
6 0
3 years ago
Read 2 more answers
A family has two cars. During one particular week, the first car consumed 15 gallons of gas. The two cars Drove a combined total
julia-pushkina [17]

Answer:

Car 1 : 40 miles per gallon

Car 2: 25 miles per gallon

Step-by-step explanation:

family has two cars. During one particular week, the first car consumed 15 gallons of gas. The second car consumed 25 gallons of gas. The two cars Drove a combined total of 1475 miles and the sum of their fuel efficiency was 65 miles per gallon. What were the fuel efficiency of each of the cars that week

Given that :

Fuel efficiency , car 1 = x

Fuel efficiency , car 2 = y

x + y = 65 - - (1)

15x + 35y = 1475 - - - (2)

x = 65 - y

15(65-y) + 35y

975 - 15y + 35y = 1475

20y = 14875 - 975

20y = 500

y = 25

Put y = 25 in (1)

x + y = 65

x + 25 = 65

x = 65 - 25

x = 40

6 0
3 years ago
The inverse of the function f(x) = x + 10 is shown.
Vadim26 [7]

we have

f(x) = \frac{1}{2}x + 10

Step 1

Let

y=f(x)

y =  \frac{1}{2}x + 10

Exchange the variable x for y and variable y for x

x =  \frac{1}{2}y + 10

Clear variable y

Multiply by 2 both sides

2x =  y + 20

y = 2x-20

Let

f(x)^{-1} =y

f(x)^{-1}=2x-20

therefore

the answer is

the inverse of the function is f(x)^{-1}=2x-20

the missing value is 20



5 0
3 years ago
Read 2 more answers
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