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Hatshy [7]
4 years ago
13

Find the value of this expression if x=-1

Mathematics
1 answer:
tatiyna4 years ago
5 0

Answer:

2

Step-by-step explanation:

-1^2+7

1+7 =8

-1 +5 =4

8/4  =2

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What is the slope of all lines perpendicular to the line y=(2/3)x+7
Alexandra [31]

Answer:

The slope is -3/2

Step-by-step explanation:

<u>A line that is perpendicular to another has the slope that has the sign reversed and is the reciprocal. </u>

Example:  Find the line perpendicular to y = 3x

First, you flip the sign which makes 3 into -3

Next, you make the reciprocal which makes -3 into <u>-1/3 </u>

Problem:  Find the line perpendicular to y = (2/3)x + 7

First, you flip the sign which makes 2/3 into -2/3

Next, you make the reciprocal which makes -2/3 into <u>-3/2</u>

Answer:  The slope is -3/2

6 0
4 years ago
What product lies between 5x7/10=
Paraphin [41]
5/1 • 7/10=
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5 0
3 years ago
I need help with these two questions<br><br>​
Galina-37 [17]

Answer:

The first one: 19/15a

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Step-by-step explanation:

for first one: take LCM and solve

for second one: you square the expression on both sides then b²= D + 4ac, then when you take 4ac to the left hand side, it becomes b²-4ac= D

6 0
3 years ago
What is the value of x?<br> Enter your answer in the box
klasskru [66]

Answer:

x is the number you have to multiply by the given number to get the whole value

Step-by-step explanation:

5x*7 x=35

6 0
4 years ago
Rectangle LMNO is reflected over the x-axis to create rectangle L'M'N'O'. If a line segment is drawn from point M to point M', w
trasher [3.6K]

Answer:I am pretty sure the answer is

C. "They are perpendicular to each other."

Step-by-step explanation:

6 0
3 years ago
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