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Annette [7]
3 years ago
7

Alfonso graphs the inequality x greater-than negative 8 using the steps below.

Mathematics
2 answers:
Musya8 [376]3 years ago
7 0

Answer:

B-The graph is incorrect. He should have shaded to the right of –8.

Step-by-step explanation:

We examine the steps Alfonso follows in graphing the inequality x > -8.

Step 1: Draw a number line, and place an open circle at –8.

A number line going from negative 13 to negative 3. An open circle is at negative 8.

The first step is correct, since we use an open circle for > or < and a closed circle for \leq \:or\: \geq.

Step 2: Shade to the left of –8 to represent the infinite solutions to x greater-than negative 8.

This step is incorrect since <u>values to the left are always less than.</u>

He should have shaded to the right of -8.

<u>The error made is Option B. </u>

CHECK:

x=-7

-7>-8 (TRUE)

Brilliant_brown [7]3 years ago
4 0

Answer:

I got the answer B too.

Step-by-step explanation:

All you have to do is re read your question

HOPE THIS HELPS:)

STAY SAFE

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math question: i write 17 text messages to friends each week for x weeks in a row. write an expression for total members
8090 [49]

Answer:

17x = y

Step-by-step explanation:

Since we know that you write 17 text messages a week. 17 will be our constant number, now then after you said for x weeks.

Meaning that x would be our variable cause we can put an input of any number, then put it next to 17 because that is how many times you text a week.

17x = y

17 (how many times you text per week) x (how many weeks) = y (texts in total)

6 0
3 years ago
OX and OY are two straight lines which intersect at an acute angle of 60°. OX = 4.5cm and OY = 5cm . The point M is on OX such t
Neko [114]

Therefore the point P is at 3.46 cm from O and it lies on the angle bisector of ∠XOY

<h3>What is an Angle Bisector ?</h3>

The ray that bisects the angle into half is called Angle Bisector.

It is given that ∠XOY = 60 degree

the length of OX = 4.5 cm

OY =5 cm

The point M is on OX such that

OM = 2 MX

so The M is at 3 cm from O

The point P lies in the acute angle such that the distance between point P and OX and OY is always same and at 3 cm from M

According to the angle bisector theorem converse states that if a point is in the interior of an angle and is at equal distance from the sides  then it lies on the bisector of that angle.

As it can be seen from the image that a point equidistant from the rays , at 3 cm from M will be at

By Pythagoras Theorem

3² +3² = OP²

OP = 2\sqrt{3} = 3.46 cm from O

To know more about Angle Bisector

brainly.com/question/12896755

#SPJ1

4 0
2 years ago
What is the answer to <br> 5p+8 = 7p+2
jasenka [17]

Answer:

p = 3

Step-by-step explanation:

5p+8 = 7p+2 (subtract boths sides by 2 and 5p)

6 = 2p (Divide both sides by 2)

p = 3

4 0
3 years ago
Read 2 more answers
ASAPP <br> -8•f(1) – 4.g(4) =
Andreas93 [3]
F(1) = -2 and g(4) = 6

-8 • -2 - 4 • 6

16 - 24 = -8
6 0
3 years ago
Please help. i dont understand what i have to do and how to get it. thank you
rjkz [21]

Answer:

\left[\begin{array}{ccc}9\\10\\\end{array}\right]

Step-by-step explanation:

Evaluate 3a by multiplying each element by 3

3a = 3 \left[\begin{array}{ccc}2\\4\\\end{array}\right] = \left[\begin{array}{ccc}3(2)\\3(4)\\\end{array}\right] = \left[\begin{array}{ccc}6\\12&\\\end{array}\right], then

3a + b

= \left[\begin{array}{ccc}6\\12\\\end{array}\right] + \left[\begin{array}{ccc}3\\-2\\\end{array}\right] ← sum corresponding elements

= \left[\begin{array}{ccc}6+3\\12-2\\\end{array}\right]

= \left[\begin{array}{ccc}9\\10\\\end{array}\right]

8 0
3 years ago
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