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KiRa [710]
3 years ago
8

The difference of the square of a number and 12 is equal to 4 times that number. find the negative solution.

Mathematics
1 answer:
dybincka [34]3 years ago
4 0
Im sorry but Im not sure
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A car used 11 1/2 gal of gasoline on a 345-mile trip. How many miles can this car travel on 1 gal of gasoline? ____mi
lyudmila [28]

Answer:

The answer to your question is: 30 miles can the car travel.

Step-by-step explanation:

Data

gasoline used = 11 1/2 gal

distance = 345 mile-trip

distance travel with 1 gal = ?

Process

Convert 11 1/2 to a improper fraction    11 1/2 = 23/2

Rule of three

                            23/2 gal -----------------------  345 miles

                              1 gal      ----------------------   x

                          x = (1 x 345) / 23/2

                          x = 345 / 23/2

                          x = 690/ 23

                          x = 30 miles

8 0
2 years ago
Josh attempted 56 free throws during the basketball season.
dangina [55]

Answer:

40

Step-by-step explanation:

5/7 × 56

= 40

5 0
2 years ago
Read 2 more answers
One pretzel has 20 calories. Write an algebraic expression for the total number of calories in n pretzels.
vredina [299]

Answer:

20n

Step-by-step explanation:

One pretzel has 20 calories. Write an algebraic expression for the total number of calories in n pretzels.

1 pretzel = 20 calories

n pretzel = x

Cross Multiply

x × 1 pretzel = n pretzel × 20 calories

x = n pretzel × 20 calories/1 pretzel

x = 20 n

Therefore, an algebraic expression for the total number of calories in n pretzels = 20n

4 0
3 years ago
Help me find y and z? Thanks!
Genrish500 [490]
There is 180deg in a half circle, and 360deg in a full circle.  complementary angles complete a half circle perfectly.
angle z is complementary to 111deg.  
z= 180 - 111= 69deg
z= 69deg
There are 360 total degrees in the figure because it makes one total revolution.
y= 360- 69- 94- 88
y= 109deg
Check - 109 +69 +94 +88= 360
6 0
3 years ago
F and g are inverse functions.<br> f(n) = -(n + 1)^3<br> g(n) = 3 + n^3<br> a) True<br> b) False
Sophie [7]

Answer:

false

Step-by-step explanation:

hello

if f and g are inverse then (fog)(n)=n

as (fog)(n) is different from n it is false

hope this helps

6 0
2 years ago
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