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Lubov Fominskaja [6]
4 years ago
7

please help! i had to retake this and i apparently got. few wrong and i don’t what i did so i have a couple questions that might

be the reason

Mathematics
1 answer:
lutik1710 [3]4 years ago
5 0

Answer:A=A

b=A

C=B

Step-by-step explanation:

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4 11/18-x=1 31/36 whats the answer
marishachu [46]

Answer:

\large\boxed{x=2\dfrac{3}{4}}

Step-by-step explanation:

4\dfrac{11}{18}-x=1\dfrac{31}{36}\qquad\text{subtract}\ 4\dfrac{11}{18}\ \text{from both sides}\\\\4\dfrac{11}{18}-4\dfrac{11}{18}-x=1\dfrac{31}{36}-4\dfrac{11}{18}\\\\-x=1\dfrac{31}{36}-4\dfrac{11\cdot2}{18\cdot2}\\\\-x=1\dfrac{31}{36}-4\dfrac{22}{36}\\\\-x=1+\dfrac{31}{36}-4-\dfrac{22}{36}\\\\-x=(1-4)+\left(\dfrac{31}{36}-\dfrac{22}{36}\right)\\\\-x=-3+\dfrac{31-22}{36}\\\\-x=-3+\dfrac{9}{36}

-x=-3+\dfrac{9:9}{36:9}\\\\-x=-3+\dfrac{1}{4}\qquad\text{change the signs}\\\\x=3-\dfrac{1}{4}\\\\x=2\dfrac{4}{4}-\dfrac{1}{4}\\\\x=2\dfrac{4-1}{4}\\\\x=2\dfrac{3}{4}

6 0
3 years ago
A survey asks students who walk or ride a bike to school whether they live more than one
pshichka [43]

Answer:

Answer: The only correct option is the first one (top left)

Step-by-step explanation:

let's take each conclussion and see if it is true or not.

a) the number of students that live more than a mile away from school is 42

Of those, 32 ride a bike to reach the school.

The proportion is p = (32/42)*100% = 76

7 0
3 years ago
Read 2 more answers
Solve for x 10x+1=12x-5
Verdich [7]

Answer:

x=3

Step-by-step explanation:

1) 10x+1-1 = 12x-5-1, this becomes a new equation

Equation: 10x = 12x-6

2) 10x-12x = 12x-12x-6, this become a new equation

Equation: -2x = -6

3) Divide both sides by -2: -2x/2 = -6/2

4) Once you simplify, you will get x=3

Hope this helps!

6 0
3 years ago
Quickly please lol!!!!
Softa [21]

Answer:

C

Step-by-step explanation:

Plug in -2 instead of X you get Y = 15

then plug in 3 instead of X you get Y = 0

5 0
3 years ago
Read 2 more answers
A ferry can travel 100 miles with the current in the same amount of time it takes to travel 60 miles against the current. If the
makvit [3.9K]
\frac{100}{40+x} = \frac{60}{40-x} 

cross multiply
100(40-x) = 60(40 + x)
solve for x
x= 10
3 0
4 years ago
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