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Allushta [10]
3 years ago
6

Write 14 is 7 times a number c as an equation

Mathematics
1 answer:
grin007 [14]3 years ago
7 0
C=7•2=14 this should be right idk
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The rungs of a ladder are 1 1/2 feet apart.  How high will you be if you climb to the 9th rung?
Readme [11.4K]
It is 13.5 Simiply multiply nine times 1 1/2. An easier way to did this might be making one half into a decimal 1.5
3 0
3 years ago
Solve by substitution x-y=-11 y+7=-2x
Bess [88]

x - y = - 11   .............( 1 )

y + 7 = - 2x ...............( 2 )

from equation ( 1 )

x - y = - 11

x   = -11 + y  ...........( 3)      

putting x in equation  ( 2 )

y + 7 = - 2 x  

y  + 7 = -2 ( -11 + y )             y + 7 = 22 - 2 y                       y + 2 y =22 - 7            

3 y = 15                  y = 15 / 3

putting value of y in equation 3

x   = -11+ ( 13 /5 )                       x = -33 /3 + 15 / 3         ( l.c.m)

x  = -17 / 5                      

check      

x = -11 + y

- 17 / 5 = -11 + 13 / 5

-17 /5   = -17 / 5

4 0
3 years ago
Evaluate the replacement set for the following equation 2n - 3 < 9. replacement set : n = {2, 5, 0}
ad-work [718]

n = {2, 5, 0} holds true for 2n - 3 < 9

<em><u>Solution:</u></em>

Replacement set is the set of values that may be substituted for the variable.

Plug in each value from the replacement set and evaluate both sides of the inequality

If the inequality is true for a certain value, that value belongs in the solution set.

<em><u>Given equation is:</u></em>

2n - 3 < 9

<em><u>Substitute n = 2</u></em>

2(2) - 3 < 9

4 - 3 < 9

1 < 9

1 is less than 9 is true

Thus n = 2 is a solution to equation

<em><u>Substitute n = 5</u></em>

2(5) - 3 < 9

10 - 3 < 9

7 < 9

7 is less than 9 is true

Thus n = 5 is a solution to equation

<em><u>Substitute n = 0</u></em>

2(0) - 3 < 9

0 - 3 < 9

-3 < 9

-3 is less than 9 is true

Thus n = -3 is a solution to equation

7 0
3 years ago
Kyle is making a frame for a rectangular piece of art. The length of the frame is 3 times the width, as shown below. A rectangle
g100num [7]

Given :

A rectangle with a length of 3 x and height of x. If Kyle uses 18 feet of wood to make the frame.

To Find :

The length of the frame.

Solution :

We know, perimeter of the rectangle is given by :

P=2(l+b)\\\\P=2(3x+x)\\\\P=8x

Now, it is given that 18 feet of wood is used.

So,

8x=18\\\\x = 2.25\ feet

Therefore, length of frame is given by  3x = 6.75 feet.

Hence, this is the required solution.

5 0
3 years ago
Read 2 more answers
20. Rectangle ABCD is transformed to create rectangle EFGH. What sequence of
Feliz [49]

Answer:

B

Step-by-step explanation:

rotate 180 --> translate up by 4:  (x,y)--> (-x,-y) --> (-x,-y +4)

8 0
4 years ago
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