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Nimfa-mama [501]
3 years ago
6

What is the value of the function y= 3x – 1 when x= -1 ? -8 -4 02 6

Mathematics
1 answer:
netineya [11]3 years ago
7 0

Answer:

-4

Step-by-step explanation:

3(-1)-1     PEMDAS

-3-1=-4

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Im working on reflections and I am confused on what the reflection of A would be? I'm trying to find the reflection of (0,5) ove
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Any points that lie on the line of reflection (the mirroring line) will not move. So point A = (0,5) will become A' = (0,5) staying in the same location. Anything on the y axis will stay where it is.
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3 years ago
Hannah borrow $30 from her parents. Each week she pays them back the same amount. The total amount she owes her parents after we
natali 33 [55]
30-5d ( where d stands for amount of days, and 5 is the amount of moeay paid per day)
5 0
3 years ago
Eriko cuts out a paper quadrilateral with two angles that each measure 60° and two angles that each measure 120°. Only two of th
Whitepunk [10]

Answer:

The quadrilateral is Parallelogram.

Step-by-step explanation:

A quadrilateral is a four-sided regular polygon.

A parallelogram is a quadrilateral.

The opposite sides of a parallelogram are parallel and equal in length.

The opposite angles of a parallelogram are also equal.

In this case the quadrilateral is defined as follows:

  • two angles that each measure 60°
  • two angles that each measure 120°
  • Only two of the sides have a length of 3.2 inches.

Consider the quadrilateral ABCD below.

The quadrilateral ABCD is Parallelogram.

8 0
4 years ago
A jewelry store is featuring a diamond in the shape of a square pyramid. The side length of
BARSIC [14]

Answer:

128√5/3 mm³

Step-by-step explanation:

Since we are not told what to find, we can as well look for the volume of the pyramid

Volume of a square pyramid: V = (1/3)a²h

a is the side length of the square

h is the height of the pyramid

Given

a = 8mm

l² = (a/2)² + h²

l² = (a/2)² + h²

6² = (8/2)² + h²

h² = 6² - 4²

h² = 36 - 16

h² = 20

h = √20

Volume of a square pyramid =  (1/3)*8²*√20

Volume of a square pyramid = 1/3 * 64 * 2√5

Volume of a square pyramid = 128√5/3 mm³

7 0
3 years ago
Which compound inequalities have the solution set represented by the given graph? Check all that apply
Contact [7]

We check with each options

'Or' represents the intersection of two graphs

'And' represents two separate graphs'

We have two separate shaded part in the given graph

So we ignore the options that has 'and' in between

LEts check first  and second option

\frac{x}{2}=13

Simplify the first part and second part

multiply both sides by 2 .

x < 2  or  4x - 2 > = 26

solve 4x-2 > = 26

add 2 on both sides and then divide both sides by 4

4x >= 28

x >= 7

So solution is x<2 or x>=7 . that is the graph on number line

Lets check with second option

3x-3<3  or  2x+8>=22

add 3 on both sides

3x < 6

divide both sides by 3

so x< 2

2x+8>=22

subtract 8 on both sides

2x >= 30

divide both sides by 2

x >= 15

x<2  or x>=15 that does not satisfies the graph

So option A is correct



7 0
4 years ago
Read 2 more answers
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