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timofeeve [1]
3 years ago
6

5x - 7 = -10x + 8 What is this

Mathematics
2 answers:
pashok25 [27]3 years ago
7 0

Answer:

x=1

Step-by-step explanation:

5x-7=-10x+8

--15=-15x

1=x

Tcecarenko [31]3 years ago
4 0

Step-by-step explanation:

5 x − 7 = 8 5x-7=8 5x−7=8. Add 7 to both sides. Simplify 8 + 7 8+7 8+7 to 1 5 15 15.

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Anna11 [10]

Answer:depends on how u want it in mixed for its 10 22/35

Step-by-step explanation:

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7 0
3 years ago
Read 2 more answers
Which of the following would be a line of reflection that would map ABCD onto itself?
Lady bird [3.3K]

When a shape is rotated, it must be rotated over a line.

<em>The square must be reflected over line </em>x +y = 4<em>, for it to be mapped onto itself.</em>

<em />

<u>The points are given as:</u>

A = (3,1)

B = (3,3)

C = (1,3)

D = (1,1)

To map the square onto itself, it must be reflected over its diagonal

The diagonals of the square are: AC and BD

<u>Using AC, we have:</u>

A = (3,1) ---- (x_1,y_1)

C = (1,3) ---- (x_2,y_2)

Start by calculating the slope (m)

m = \frac{y_2 - y_1}{x_2 -x_1}

So, we have:

m = \frac{3-1}{1-3}

m = \frac{2}{-2}

m = -1

The equation  is then calculated as:

y = m(x - x_1) + y_1

This gives:

y = -1(x - 3) + 1

y = -x + 3 + 1

y = -x + 4

Rewrite as:

x +y = 4

So, the square must be reflected over line x +y = 4, for it to be mapped onto itself.

See attachment for square ABCD and its line of reflection.

Read more about reflections at:

brainly.com/question/1878272

6 0
3 years ago
Tom, Ted, Tony and Terry worked together on a job. The job paid $500. Each boy was paid according to the amount of work he contr
skelet666 [1.2K]
<span>For the answer to the question above,
Let d be Ted's portion; y be Tony's ; r be Terry's ; m be Tom''s
d+y+r+m=500
d+y+0+0=280
d+0+0+m=260
d+0+r+0=220
-----------
Using the Matrix function of a TI calculator to solve this system
of equations I get:
Ted = $130 ; so Ted did 130/500 = 26%
Tony= $150 ; so Tony did 150/500= 30%
Terry=$90 ; so Terry did 90/500= 18%
Tom = $130 ; so Tom did 130/500 = 26%</span>
7 0
4 years ago
Can you help me please ​
Ilya [14]

Answer:

<h2>1 < X< 4</h2>

Step-by-step explanation:

have a nice day/night !

8 0
3 years ago
A prestigious investment bank designed a new security that pays a quarterly dividend of $3.70 in perpetuity. The first dividend
Andru [333]

Answer:

the price of the security will be $448.485

Step-by-step explanation:

Annual rate of interest = 3.3%

then Interest rate per quarter (r) will be = 0.033/4

= 0.00825

= 0.825%

now it is given that

Cash flows in the first quarter, C1 = $3.70

Then Present value of perpetuity = C1 /r

= $3.70/ 0.825%

= $448.485

Therefore, the price of the security will be $448.485

5 0
3 years ago
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