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rusak2 [61]
2 years ago
8

Solve 2x2 - 8x = -7. -2+2 -2+212 24 v2 2t 2+2 2

Mathematics
2 answers:
oksano4ka [1.4K]2 years ago
8 0

Answer:x

=

4

+

√

2

(

24

v

22

t

+

233

)

2

 

x

=

4

−

√

2

(

24

v

22

t

+

233

)

2

Step-by-step explanation:

jeka57 [31]2 years ago
4 0

Answer:

<em>"HI, I'm Chucky, and I'm your friend to the end. Hidey-h.o!"</em>

<em>†*⁕*•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••*⁕*†</em>

Solve the equation for  

x  by finding  

a,  b, and  c

of the quadratic then applying the quadratic formula.

Exact Form:

x  =  4  ±  √22

<em>†*⁕*•••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••*⁕*†</em>

                                 -⁜Love Ash or Ashlynn⁜

                                ♪(P.S Have a great day!!!!)♪

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Devaughn is 15 years younger than Sydney. The sum of their ages is 73. What is Sydney’s age?
Olegator [25]

Answer:

Sydney is 44 years old

Step-by-step explanation:

<u>Step 1:  Make a system of equations </u>

d = s - 15

<em>d + s = 73 </em>

<u>Step 2:  Plug in s - 15 for d in the second equation and solve </u>

s - 15 + s = 73

2s - 15 = 73 + 15

2s  / 2= 88 / 2

<em>s = 44 </em>

Answer:  Sydney is 44 years old

6 0
3 years ago
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Pounds gained by persons in your class during the first month of the semester are an example of which type of data?.
kozerog [31]

Pounds gained by persons in your class during the first month of the semester are an example of: Continuous data.

<h3>What is continuous data?</h3>

Continuous data refers to data types that cannot be counted but can be measured. So, the values of these types of data are obtainable.

Examples of continuous data include the weight, height, and length of people and objects.

So, the pounds gained by persons in your class is an example of continuous data.

Learn more about continuous data here:

brainly.com/question/7717858

8 0
2 years ago
Evaluate the expression. Simplify your answer. (-1/6)3
Eva8 [605]

Answer:

-1/216

Step-by-step explanation:

You have to look at the base and if the base is negative then you have to look at the exponent and if its a odd number then it will be a negative.

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2 years ago
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Which set of ratios below is not equivalent to 3:4?
Anika [276]

Answer: 54to,

​4

​

​3

​​ ,108to,

​83

​

​60

​​ ,24

Step-by-step explanation:

6to\times 9,\frac{9}{12},9to\times 12,\frac{15}{20\frac{15}{20}},246to×9,

​12

​

​9

​​ ,9to×12,

​20

​20

​

​15

​​  

​

​15

​​ ,24

6 to 9, 9/12 9 to 12, 15/20 15/20, 24

+ − .   ln > <

× ÷ /   log ≥ ≤

( )    logx = %

1 Simplify  \frac{15}{20}

​20

​

​15

​​   to  \frac{3}{4}

​4

​

​3

​​ .

6to\times 9,\frac{9}{12},9to\times 12,\frac{15}{20\frac{3}{4}},246to×9,

​12

​

​9

​​ ,9to×12,

​20

​4

​

​3

​​  

​

​15

​​ ,24

2 Convert 20\frac{3}{4}20

​4

​

​3

​​  to improper fraction. Use this rule: a \frac{b}{c}=\frac{ac+b}{c}a

​c

​

​b

​​ =

​c

​

​ac+b

​​ .

6to\times 9,\frac{9}{12},9to\times 12,\frac{15}{\frac{20\times 4+3}{4}},246to×9,

​12

​

​9

​​ ,9to×12,

​

​4

​

​20×4+3

​​  

​

​15

​​ ,24

3 Simplify  20\times 420×4  to  8080.

6to\times 9,\frac{9}{12},9to\times 12,\frac{15}{\frac{80+3}{4}},246to×9,

​12

​

​9

​​ ,9to×12,

​

​4

​

​80+3

​​  

​

​15

​​ ,24

4 Simplify  80+380+3  to  8383.

6to\times 9,\frac{9}{12},9to\times 12,\frac{15}{\frac{83}{4}},246to×9,

​12

​

​9

​​ ,9to×12,

​

​4

​

​83

​​  

​

​15

​​ ,24

5 Simplify  6to\times 96to×9  to  54to54to.

54to,\frac{9}{12},9to\times 12,\frac{15}{\frac{83}{4}},2454to,

​12

​

​9

​​ ,9to×12,

​

​4

​

​83

​​  

​

​15

​​ ,24

6 Simplify  \frac{9}{12}

​12

​

​9

​​   to  \frac{3}{4}

​4

​

​3

​​ .

54to,\frac{3}{4},9to\times 12,\frac{15}{\frac{83}{4}},2454to,

​4

​

​3

​​ ,9to×12,

​

​4

​

​83

​​  

​

​15

​​ ,24

7 Simplify  9to\times 129to×12  to  108to108to.

54to,\frac{3}{4},108to,\frac{15}{\frac{83}{4}},2454to,

​4

​

​3

​​ ,108to,

​

​4

​

​83

​​  

​

​15

​​ ,24

8 Invert and multiply.

54to,\frac{3}{4},108to,15\times \frac{4}{83},2454to,

​4

​

​3

​​ ,108to,15×

​83

​

​4

​​ ,24

9 Use this rule: a \times \frac{b}{c}=\frac{ab}{c}a×

​c

​

​b

​​ =

​c

​

​ab

​​ .

54to,\frac{3}{4},108to,\frac{15\times 4}{83},2454to,

​4

​

​3

​​ ,108to,

​83

​

​15×4

​​ ,24

3 0
3 years ago
Read 2 more answers
According to the information in the table, who is the fastest typist? Words Typed by Four Typists Typist Words Typed Minutes Typ
love history [14]

Answer:

<u><em>D.  </em></u>

Step-by-step explanation:

This is because you find the unit rate for each typist.

7 0
3 years ago
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