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2 years ago

Whats the answer can someone answer please

Mathematics

2 answers:

MArishka [77]2 years ago

5 0

Answer:

answer of QN 12 is 0.000000000999 and the answer of QN 13 is 30x + 42

butalik [34]2 years ago

4 0

Answer:

b and c

Step-by-step explanation:

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Evaluate (-5z)^3 . Write your answer using only positive exponents. Evaluate any numerical powers.

Ludmilka [50]

Answer:

-125z³

Step-by-step explanation:

-5 times - 5 = 25 canceling negative

125 times -5 = -125

zXzXz = z to power of 3 =z³

7 0

2 years ago

Resolber la siguientes problemas

german

Lo siento, no hago matemáticas por favor hazlo tú mismo. En caso de que no traduzcas esto voy a poner un par de números. 34 es el número para hacer que alguien que habla inglés esto es legítimo. 45 = 28 + x28. Te quiero

3 0

2 years ago

F(x) = 17 - 2x<br> Find f(a + 7)

Fudgin [204]

Answer:

-2a + 3

Step-by-step explanation:

We can substitute a + 7 for x:

f(a + 7) = 17 - 2(a+7) = 17 - 2a - 14 = -2a + 3

4 0

2 years ago

Maria and Nate graphed lines on a coordinate plane. Maria's line is represented by the equation y = -5/6x +8. Nate's line is per

eduard

Answer:

c) 6x - 5y = 15

Step-by-step explanation:

Slope-intercept form of a linear equation: $y=mx+b$

(where m is the slope and b is the y-intercept)

Maria's line: $y=-\dfrac{5}{6}x+8$

Therefore, the slope of Maria's line is $-\frac{5}{6}$

If two lines are perpendicular to each other, the product of their slopes will be -1.

Therefore, the slope of Nate's line (m) is:

$\begin{aligned}\implies m \times -\dfrac{5}{6} &=-1\\m & =\dfrac{6}{5}\end{aligned}$

Therefore, the linear equation of Nate's line is:

$y=\dfrac{6}{5}x+b\quad\textsf{(where b is some constant)}$

Rearranging this to standard form:

$\implies y=\dfrac{6}{5}x+b$

$\implies 5y=6x+5b$

$\implies 6x-5y=-5b$

Therefore, <u>option c</u> could be an equation for Nate's line.

3 0

2 years ago

How do you factor n^2-4n=0

Sveta_85 [38]

   n² - 4n = 0
n(n) - n(4) = 0
    n(n - 4) = 0
n = 0 or n - 4 = 0
   + 4 + 4
      n = 4

Solution Set: {0, 4}

3 0

2 years ago

Whats the answer can someone answer please​

Whats the answer can someone answer please