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julia-pushkina [17]
3 years ago
7

In the following equation, a and b represent integers.

Mathematics
1 answer:
Scrat [10]3 years ago
8 0

Step-by-step explanation:

write this equation on a pice of paper then go to the camera button select which one you want and then take a pic of it. i am in a math class a year above me and this is what we are learning these types of problems confuse me I wish I could help

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Find the quadratic equation 3 and-5​
natulia [17]

Answer:

x^2 + 2x - 15 = 0.

Step-by-step explanation:

If you mean the equation with zeroes of 3 and -5 it is:

(x - 3)(x + 5) = 0

x^2 + 2x - 15 = 0.

7 0
3 years ago
Here are 7 7 same-sized cups filled with water which will be used for watering plants. Fred used 1 3 3 1 ​ of each cup of water.
Hoochie [10]

Answer:

2 11/12

Step-by-step explanation:

total amount fred used = 1/3 x 7 = 7/3

total amount Janice used = 1/4 x 7 = 7/4

total amount used =

7/3 + 7/4

(28 + 21) / 12 = 49 / 12 = 4 1/12

Amount left = 7 - 4 1/12 = 2 11/12

6 0
3 years ago
Items bought by a trader for $80 are sold for $100. The profit expressed as a percentage of cost price is
Artemon [7]
The answer would be C.
HOPE THIS HELPS! ^_^
3 0
3 years ago
Read 2 more answers
Compare adding unlike fractions and adding like fractions
muminat

Answer:

We just add numerators and rewrite denominator.

Adding unlike dominators:

We need to find the same denominators. You need to find the least common multiple (LCM) of the two denominators.

Step-by-step explanation:

You mean unlike denominators and like denominators.

Adding like dominators: We just add numerators and rewrite denominator :

Example : \frac{1}{4} +\frac{2}{4}=\frac{1+2}{4}  =\frac{3}{4}

Adding unlike dominators:

We need to find the same denominators. You need to find the least common multiple (LCM) of the two denominators.

For example :

\frac{1}{5}+\frac{3}{4}

LCM for 5 and 4 is 20 : Now, divide by 5 and multiply by 1 for first fraction. 20 divide by 4 and multiply by 3 :

\frac{1*4}{20} +\frac{3*5}{20}=\frac{4}{20} +\frac{15}{20}=\frac{19}{20}

4 0
3 years ago
Read 2 more answers
Find the value of y.
barxatty [35]

For this, since 4y - 7 and 2y - 1 are congruent, we can solve for y by setting them equal to each other.


4y-7=2y-1


Firstly, subtract 2y on both sides of the equation. 2y-7=-1


Next, add 7 on both sides of the equation. 2y=6


Finally, divide 2 on both sides of the equation, and your answer will be y = 3

8 0
4 years ago
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