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yarga [219]
3 years ago
13

How do i solve this?: 7-12÷4+2x7

Mathematics
2 answers:
Sunny_sXe [5.5K]3 years ago
7 0
<span>

First you divide and multiply and then you add and subtract
Please tell me how to set up an inequality for this question and how to solve it:

At a video store you have 2 options for renting movies, you can pay $4 per movie or you can pay 10 dollar membership fee and then only pay 1.50/movie. After how many movie rentals will the membership price be less than the cost of renting movies without the membership?


</span>
Ivanshal [37]3 years ago
4 0
You need to use PEMDAS. You don't have parentheses or exponents so you don't need to worry about that. So you multiply 2*7. That equals 14 now your problem is...

7-12/4+14.

Next you do division.

So 12/4 is 3.

7-3+14 equals.

Now you add 3 and 14.

7-17=

Now you subtract and get your answer.
-10 is your answer.
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8 X 1 + 3 X (1/10) + 4 x (1/100)
Burka [1]
The answer I got was 417/50 hope this helps you
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2 years ago
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Which<br> pair of triangles can be proven congruent by SAS?
Vlada [557]
Triangle B can be proven congruent
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2 years ago
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Which of the following pairs of functions are inverse of each other ?
pshichka [43]
One way is to solve for the invers of the first function
remembe, to solve, replace f(x) or g(x) with y, switch x and y, solve for y and replace it with f⁻¹(x)

A.
f(x)=x/2+8
y=x/2+8
x=y/2+8
x-8=y/2
2x-16=y
f⁻¹(x)=2x-16
nope, not A


B.
f(x)=3x³+16
y=3x³+16
x=3y³+16
x-16=3y³
(x-16)/3=y³
∛((x-16)/3)=y
f⁻¹(x)=∛((x-16)/3)
nope, not the same
not B

C.
f(x)=18/x-9
y=18/x-9
x=18/y-9
x+9=18/y
y(x+9)=18
y=18/(x+9)
f⁻¹(x)=18/(x+9)
correct, the answer is C



answer is C
5 0
3 years ago
Read 2 more answers
F(x)=x/3-2 g(x)=3x^2+2x-6 (f+g)(x)
Romashka [77]

Answer:

Hope it helps bhhhhbbbbbbhb

8 0
2 years ago
Two baseball players bat first and second in the lineup. The first batter has an on-base percentage of 0.23. The second batter h
irina1246 [14]

Answer:

The probability that neither player gets on base is 0.4824

Step-by-step explanation:

1. Both players get to base. <em>Just multiply the two probabilities together</em>:

= (<em>probability first batter gets on base</em>) x (<em>probability second batter gets on base, if the first batter gets on base</em>)

= 0.23 x 0.38

= 0.0874

2. One player gets to base. The formula here is P(A+B) =P(A) + P(B) - P(A) x P(B)

= (<em>probability first batter gets on base</em>) + (<em>probability second batter gets on base, if the first batter does not</em>) - (0.23 x 0.26)

= 0.23 + 0.26 - (0.23 x 0.26)

= 0.49 - 0.0598

= 0.4302

3. Neither player gets to base =<em> 1 - addition of the previous two cases</em>.

= 1 - (0.0874 + 0.4302)

= 1 - 0.5176

= 0.4824

7 0
2 years ago
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