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3 years ago

To graph the inequality y < -5x + 3, you would draw a solid line. A. True O B. False

Mathematics

2 answers:

Vlad1618 [11]3 years ago

5 0

B - false

You would NOT use a solid line because it excludes equality

OLga [1]3 years ago

4 0

Answer:

A. True

explanation:

Inequalities that use ≤ or ≥ symbols are plotted with a solid line.

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If f(x) = 22 – 4x – 5, find the following:<br> a. f(-2)<br> b. f (10)<br> .c. f(0)

coldgirl [10]

Answer:

a.25

b.-23

c.17

Step-by-step explanation:

Plug each value in for x and solve

4 0

3 years ago

If BE = 2x + 2, BD = 5x – 3, and AE = 4x – 6, what are the values of x and AC?

Keith_Richards [23]

Answer: x=7 and AC = 44 unuts.

Step-by-step explanation:

We know that the diagonals of a parallelogram bisect each other. (i)

Here in parallelogram ABCD , AC and Bd are diagonals intersecting at E.

BE = 2x + 2, BD = 5x – 3, and AE = 4x – 6

Using (i)

$BE=\dfrac{BD}{2}\\\\2x+2=\dfrac{5x-3}{2}\\\\ 2(2x+2)=5x-3\\\\ 4x+4= 5x-3\\\\ 5x-4x=4+3\\\\ x= 7$

Now , AE = 4(7)-6 = 28-6 = 22

AC =2 AE = 2 (22) =44 units.

Hence, x=7 and AC = 44 unuts.

3 0

3 years ago

Last year, 20,820 people attended a kite festival. This year, 19779 people attended it. If attendance continues to decrease by t

ICE Princess25 [194]

Well you start by dividing 19779 by 20820 to see the percent of people compared to last year (it being 95%). Then you take 19,779 and multiply it by the same percentage, or 0.95. That means that there should be 18790 (it's technically 18790.1 but since that's people you round to the nearest whole number).

4 0

3 years ago

Pratctice and Solving Solve each equation with variables on both sides 1. 6x - 2 = x + 13

IrinaK [193]

Answer:

x=3

Step-by-step explanation:

6x - 2 = x + 13

subtract 1x from both sides

5x - 2 = 13

isolate the 5x by adding 2 to both sides

5x = 15