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Karolina [17]
3 years ago
11

7x-5y=-6

Mathematics
1 answer:
rewona [7]3 years ago
8 0

The perpendicular line would have a slope of -5/7.

Perpendicular lines have opposite and reciprocal slopes. So first we have to find the slope of the original line. We can do this by solving the equation for y.

7x - 5y = -6

-5y = -7x - 6

y = 7/5x + 6/5

To do the opposite, take the original slope (7/5) and change the sign (-7/5).

To do the reciprocal, take the slope we changed (-7/5) and flip it as a fraction (-5/7).

This gives us a new slope of -5/7.

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Lauren says that two expressions 3x+4(2x+5) and 6x +5x . do these equal the same
spin [16.1K]

<em>these do not equal the same. </em>

step by step: 3x + 4 (2x + 5)

multiply 4 by 2x, which is 8, then multiply 4 by 5, which is 20.

simplify; 3x + 8x + 20

combine like terms; (3x + 8x) + (20)

you’ll come up with 11x + 20

step by step: 6x + 5x

just add the two together and... bam, you get 11x.

4 0
4 years ago
Brady tosses a coin three times. Each toss could be heads or tails. Which
Step2247 [10]

Answer:

Option B

Step-by-step explanation:

HHH → All heads

HHT → Two heads + one tail

HTH → Two heads + one tail

HTT → Two tails + one head

THH → One tail + two heads

THT → Two tails + one head

TTH → Two tails + one head

TTT → All tails

Therefore, At least two tails means → Sample space outcome with two tails Or all tails

Therefore, from the given options HTT is having two tails.

Option B is the correct option.

7 0
3 years ago
Read 2 more answers
What are the intercepts of 6x + 8y = 24?
Elden [556K]
6x + 8y = 24

x intercept is the value when y =0 & y intercept is the value when x=0


for y=0 ==> 6x+0 =24 ==> x=4 for x=0==> 0+8y =24 ==> y=3

(4,0) & (0,3) (ANSWER d)
5 0
3 years ago
How can x^2=x^2+2x+9 be set up as a system of equations
Nikitich [7]

Answer: \left \{ {{y=x^{2} } \atop {y=x^2+2x+9}} \right.

Step-by-step explanation:

1. As you can see, x^{2} is equal to the other quadratic equation x^2+2x+9.

2. Then, this would the same as write the quadratic equations as following:

y=x^{2}

y=x^2+2x+9

3. And then set them equal to each other, as you can see below:

y=y

Substituting, you obtain:

x^{2}=x^2+2x+9

3. Keeping the above on mind, you can set up the given equations as a system of equations as folllowing:

\left \{ {{y=x^{2} } \atop {y=x^2+2x+9}} \right.

8 0
4 years ago
The formula for the area of a triangle is A= bh, where b is the base of the triangle and h is the height of the triangle. What i
vazorg [7]
8cm cuase 32 is how área and your look for the base(b) and height (h) so you multiply 4 witch is your (h) and your lookin for you (b) and is going to be 8 cuase 4 times 8 is 32 witch is you area (a) so the answer is 8 cm for you (b)
8 0
3 years ago
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