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Stolb23 [73]
4 years ago
11

-3/4 + (-3/4)

" id="TexFormula1" title=" \frac{ - 3}{4} + \frac{ - 3}{4} " alt=" \frac{ - 3}{4} + \frac{ - 3}{4} " align="absmiddle" class="latex-formula">
Mathematics
1 answer:
nika2105 [10]4 years ago
3 0

Firstly, since these two fractions have the same denominator, add the numerators up: \frac{-6}{4}

While it appears that the answer is -6/4, you can further simplify it by dividing the numerator and denominator by 2: -\frac{6}{4}\div\frac{2}{2}=-\frac{3}{2}

<u>Your answer is -\frac{3}{2}</u>

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F(x) = -x^2-20<br> find f(9)
Ivanshal [37]

Answer:

f ( x ) = - 101

Step-by-step explanation:

Step 1:

f ( x ) = - x² - 20   Function

Step 2:

f ( x ) = - 9² - 20      Substitute x

Step 3:

f ( x ) = - 81 - 20    Exponents

Answer:

f ( x ) = - 101   Subtract

Hope This Helps :)

5 0
4 years ago
Linear function determining slope and y-intercept from a graph
nordsb [41]

Answer:

The equation of any straight line, called a linear equation, can be written as: y = mx + b, where m is the slope of the line and b is the y-intercept. The y-intercept of this line is the value of y at the point where the line crosses the y

6 0
3 years ago
(-5b2 – 8b) -(-9b3– 5b2 – 8b)
Dafna11 [192]

Answer:

9b³

Step-by-step explanation:

-5b²-8b+9b³+5b²+8b

9b³

7 0
4 years ago
PLEASE HELP MEEEEe<br> jhchnthnht
Mars2501 [29]

The equation of the perpendicular bisector of BC with B(-2, 1), and C(4, 2) is y = 7.6 - 6•x

<h3>Which method can be used to find the equation of the perpendicular bisector?</h3>

The slope, <em>m</em>, of the line BC is calculated as follows;

  • m = (2 - 1)/(4 - (-2)) = 1/6

The slope of the perpendicular line to BC is -1/(1/6) = -6

The midpoint of the line BC is found as follows;

\left( - 2 +  \frac{4 - ( - 2)}{2}, \: 1 +  \frac{2 - 1}{2}   \right) = (1,\: 1.5)

The perpendicular bisector is the perpendicular line constructed from the midpoint of BC.

The equation of the perpendicular bisector in point and slope form is therefore;

(y - 1.5) = -6•(x - 1)

y - 1.6 = -6•x + 6

y = -6•x + 6 + 1.6 = 7.6 - 6•x

Which gives;

  • y = 7.6 - 6•x

Learn more about equations of perpendicular lines here:

brainly.com/question/11635157

#SPJ1

6 0
2 years ago
Suppose you write each letter of the alphabet on a different slip of paper and put the slips into a hat. what is the probability
nexus9112 [7]

There are 5 vowels and 21 conconants in the alphabet.

a. Probability = 21/26

b Probability = 5/26

5 0
4 years ago
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