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svetlana [45]
2 years ago
14

25x2 + 20x + 4 = 75 Please help.

Mathematics
2 answers:
Natalija [7]2 years ago
7 0

Answer:

X= 71/70

I Hope That Helped

SCORPION-xisa [38]2 years ago
3 0

Answer:

x=21/20    or   1.05     or    1 1/20

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

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Write (8a^-3)^-4/3 in simplest form. <br><br> Please show your work!
german

Answer:

(a/2) ^4  or a^4/16

Step-by-step explanation:

(8a^-3)^-4/3

split into two parts

8^ -4/3   *  (a^-3)^-4/3

using the power to the power rule we can multiply the exponents

8^(-4/3)  *a^(-3*-4/3)

8^ (-4/3) * a^(4)

replace 8 with 2^3

(2^3)^(-4/3) * a^(4)

using the power to the power rule we can multiply the exponents

2^(3*-4/3) * a^(4)

2 ^ (-4) * a^4

the negative exponent means it goes in the denominator if it is in the numerator

a^4/2^4

make a fraction

(a/2) ^4

or a^2/16

8 0
3 years ago
Read 2 more answers
Please answer it correctly I need it now​
IRISSAK [1]

Answer:

5 \\ 2  \div 4 = 2 \\ 2 \div 6 = 3 \\ 2 \div 8 = 4. \\  {2}^{2}

4 0
2 years ago
Read 2 more answers
I need the answers is really hard i have to solve each system of equation by graphing 5-13
mojhsa [17]
All you need to do is plot the point they meet at
6 0
3 years ago
The points (2,-5) and (5,r) lie on a line with slope 2. Find the missing coordinate r.
Andrew [12]

Answer: r = 1

Step-by-step explanation:

The slope of a line can be represented as \frac{y_2-y_1}{x_2-x_1}.  Plugging in the following values would provide you with:

\frac{(r)-(-5)}{(5)-(2)} =2

\frac{r + 5}{3}  = 2

r + 5 = 6

r = 1

Hope it helps :) and let me know if you want me to elaborate on anything.

7 0
2 years ago
–20 ÷ 5 = <br><br> I need help
Rashid [163]
The answer is -4
-20 divided by 5 ^
7 0
3 years ago
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