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Ksju [112]
2 years ago
7

Please help asap !!!!

Mathematics
1 answer:
Xelga [282]2 years ago
5 0

C

Step-by-step explanation:

You do 5 - 2 = 3 and -y = -x so the answer would be C.

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Divide.
algol13

Answer:

Answer in simplified form is - 10 1/2 .

Step-by-step explanation:

We have given,

(5 1/4) ÷ (- 2 1/2)

This can be simplified as :

(5 1/4) ÷ ( -2 1/2)

Since 5 1/4 = 21/4  and -2 1/ 2 = -5/2

So we can write,

(5 1/4) ÷ ( -2 1/2) = 21/4 ÷ ( - 5/2)

or (21/4) / (-5/2)

or ( 21/4) * (-2/5)

or -42/20

or -21/10

or - 10 1/2 , this is the answer

Hence we get answer in simplified form as -10 1/2

7 0
3 years ago
Solve the following quadratic equation by factoring.
tekilochka [14]

Answer:

x = 7, -2

Step-by-step explanation:

<h2><em><u>Factor and set each factor equal to 0</u></em></h2>
6 0
4 years ago
Read 2 more answers
Which are the solutions of the quadratic equation x^2=-5x-3
frutty [35]
The correct answer would be \frac{-5 +/-  \sqrt{13} }{2}

In order to solve for this you must first get the equation equal to 0. 

<span>x^2=-5x-3 ----> add 5x to both sides. 
x^2 + 5x = -3 ----> add 3 to both sides.
x^2 + 5x + 3 = 0

Now knowing this we can use the coefficients of each one in descending order of power as a, b and c. 

a = 1 (because it is the coefficient to x^2)
b = 5</span> (because it is the coefficient to x)
c = 3 (because it is the end number)

Now we can plug these values into the quadratic equation. 

\frac{-b +/-  \sqrt{b^{2} - 4ac } }{2a}

\frac{-5 +/- \sqrt{5^{2} - 4(3)(1) } }{2(1)}

\frac{-5 +/- \sqrt{13} }{2}

And those would be your two answers.
5 0
3 years ago
There are 2 whole bagels and three-fourths of a third bagel.Write a mixed number that r
Eddi Din [679]
2 3/4

2 and 3/4 bagels
6 0
3 years ago
Read 2 more answers
5/6-(-3/4) worked step by step
AlexFokin [52]

Answer:

1 7/12

Step-by-step explanation:

​6

​

​5

​​ +

​4

​

​3

​​  

2 Find the Least Common Denominator (LCD) of \frac{5}{6},\frac{3}{4}

​6

​

​5

​​ ,

​4

​

​3

​​ . In other words, find the Least Common Multiple (LCM) of 6,46,4.

LCD = 1212

3 Make the denominators the same as the LCD.

\frac{5\times 2}{6\times 2}+\frac{3\times 3}{4\times 3}

​6×2

​

​5×2

​​ +

​4×3

​

​3×3

​​  

4 Simplify. Denominators are now the same.

\frac{10}{12}+\frac{9}{12}

​12

​

​10

​​ +

​12

​

​9

​​  

5 Join the denominators.

\frac{10+9}{12}

​12

​

​10+9

​​  

6 Simplify.

\frac{19}{12}

​12

​

​19

​​  

7 Convert to mixed fraction.

1\frac{7}{12}1

​12

​

​7

​​  

4 0
3 years ago
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