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salantis [7]
2 years ago
11

What is ?/? + 2/7 =1

Mathematics
2 answers:
lapo4ka [179]2 years ago
8 0

Answer:

5/7

Step-by-step explanation:

x +  \frac{2}{7}  = 1 \\  \\ x = 1 -  \frac{2}{7}  \\  \\ x =  \frac{7}{7}  -  \frac{2}{7}   \\  \\ x =  \frac{5}{7}

Bess [88]2 years ago
6 0
5/7

If you add the numerators in each, they should be the same as the denominator. 5+2=7

So 7/7=1
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The graphs of f(x) and g(x) are shown below:
rosijanka [135]
<h2>Answer:</h2>

Option: C is the correct answer.

            C.)   x = −3.8, 3

<h2>Step-by-step explanation:</h2>

The function f(x) is given by:

           f(x)=x^2-x-12

and the function g(x) is given by:

            g(x)=-1.8x-0.6

Now, we are asked to find the solution of the equation:

        f(x)=g(x)

i.e. we have to find the value of x such that both the functions are equal i.e.

x^2-x-12=-1.8x-0.6\\\\i.e.\\\\x^2-x+1.8x-12+0.6=0\\\\i.e.\\\\x^2+0.8x-11.4=0\\\\i.e.\\\\10x^2+8x-114=0\\\\i.e.\\\\5x^2+4x-57=0

Now, on solving the equation using the quadratic formula i.e. the solution of the equation:

ax^2+bx+c=0

is given by:

x=\dfrac{-b\pm \sqrt{b^2-4ac}}{2a}

Here we have:

a=5,\ b=4\ and\ c=-57

Hence, the solution is given by:

x=\dfrac{-4\pm \sqrt{4^2-4\times 5\times (-57)}}{2\times 5}\\\\i.e.\\\\x=\dfrac{-4\pm \sqrt{16+1140}}{10}\\\\i.e.\\\\x=-3.8\ and\ x=3

6 0
3 years ago
Which is equivalent to 12(323)?
sladkih [1.3K]

Answer:

3,876

Step-by-step explanation:

if you multiply 323 by 12 you get 2,876. Hope this helps!


5 0
3 years ago
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∠2 and ∠6 can be classified as:
Lilit [14]

Answer:

A. corresponding angles

Step-by-step explanation:

2 and 6 are on the same side of the transversal and in the corresponding position ( same location) with respect to the parallel lines

This makes the corresponding angles

6 0
3 years ago
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Ill give u brainiest for correct ans
Marrrta [24]

Answer:

Step-by-step explanation:

7 0
2 years ago
The points , (−15,1) and , (−7,r) lie on a line with slope 5/4. Find the missing coordinate r. Click image to enlarge
Nadya [2.5K]

The missing coordinate r is 11.

Solution:

Given points are (–15, 1) and (–7, r).

x_{1}=-15, x_{2}=-7, y_{1}=1 \text { and } y_{2}=7

Slope (m) = \frac{5}{4}

<u>To find the missing coordinate r:</u>

Slope formula:

$m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

Substitute the given values in the formula.

$\frac{5}{4}=\frac{r-1}{-7-(-15)}

$\frac{5}{4}=\frac{r-1}{-7+15}

$\frac{5}{4}=\frac{r-1}{8}

Do cross multiplication.

8 \times 5=4(r-1)

40 = 4r – 4

Add 4 on both side of the equation.

44 = 4r

Divide by 4 on both side of the equation.

11 = r

⇒ r = 11

Hence the missing coordinate r is 11.

6 0
3 years ago
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