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Oliga [24]
3 years ago
6

8. Which choice is a graph of the solution set for -12 + 5x < 8?

Mathematics
1 answer:
lozanna [386]3 years ago
8 0

Answer:

B

Step-by-step explanation:

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Two towns on a map are 2 1/4 inches apart.the actual distance between the towns is 45 miles. Which of the following could be the
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what are the answer choices

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96,240 is divisible by 2, 4, and 8. true or false?
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false

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96,240

a-9

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Graph the solution to this inequality on the number line.<br><br> 1/4x − 2 &lt; − 1 1/2
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Draw an open circle on 2 and continue the arrow left.

Step-by-step explanation:

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Which of the following describes a situation in which the total distance a ball travels is zero meters from its starting point?
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The ball first bounces up to a height of 2 meters, and then falls 2 meters towards the ground

Step-by-step explanation:

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2 years ago
Let $P$ and $Q$ be constants. The graphs of the lines $x + 5y = 7$ and $15x + Py = Q$ are perpendicular and intersect at the poi
Marta_Voda [28]

Answer:

<em>(-3, -129)</em>

<em></em>

Step-by-step explanation:

Given

Two lines:

$x + 5y = 7$

$15x + Py = Q$

are perpendicular to each other and intersect at point (-8,3).

To find: (P, Q)

Solution:

The two lines intersect at (-8,3).

It means, the equation of line will be satisfied when we put value of x = -8 and y = 3

Putting in the second equation, we will get an equation in P and Q:

15\times (-8) + P \times 3 = Q\\\Rightarrow 3P = Q +120 ..... (1)

Given that two lines are perpendicular.

It means the product of their slopes will be equal to -1.

i.e. m_1\times m_2=-1

Slope of a line of the form ax+by+c=0 is given as:

m=-\dfrac{a}{b}

So, slopes of given lines are:

m_1=-\dfrac{1}{5}\\m_2=-\dfrac{15}{P}

Using the condition:

-\dfrac{1}{5}\times \dfrac{-15}{P}=-1\\\Rightarrow P = -3

Putting the value of P in equation (1):

\Rightarrow 3\times (-3) = Q +120 \\\Rightarrow Q = -9-120 = -129

So, answer is <em>(-3, -129)</em>

7 0
3 years ago
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