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LiRa [457]
4 years ago
5

99-97+95-93+....+7-5+3-1

Mathematics
2 answers:
lozanna [386]4 years ago
6 0
Your answer is 8,Beatrice.-nick<span />
wlad13 [49]4 years ago
4 0
99_97=2+95=97-93=4+7=11-5=6+3=9-1=8
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A square has a side of 6.25 feet. What is the area in square feet? Round to the correct significant digits
eimsori [14]
<span>area is side by side.
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5 0
3 years ago
What is the solution to the system of equations? 3x + 10y = -47 5x- 7y = 40<br>Please and thank u
anastassius [24]

Answer:

x=1, y=-5

Step-by-step explanation:

Given equations are:

3x+10y=-47\ Eqn\ 1\\and\\5x-7y=40\ Eqn\ 2

In order to solve the equation

Multiplying Eqn 1 by 5 and eqn 2 by 3 and subtracting them

So,

Eqn 1 becomes

15x+50y=-235

Eqn 2 becomes

15x-21y=120

Subtracting 2 from a

15x+50y - (15x-21y) = -235-120

15x+50y-15x + 21y = -355

71y = -355

y = -355/71

y =-5

Putting y= -5 in eqn 1

3x+10(-5) = -47

3x -50 = -47

3x = -47+50

3x = 3

x = 3/3

x = 1

Hence the solution is:

x=1, y=-5

5 0
3 years ago
Read 2 more answers
Find the value of x for which the lines l and m are parallel. answers : 10 14.3 16.6 15
Westkost [7]
<h2><em>Answer:</em></h2><h2><em>1</em><em>5</em></h2>

<em>Solution</em><em>,</em>

<em>5</em><em>x</em><em>+</em><em>1</em><em>3</em><em>+</em><em>1</em><em>1</em><em>x</em><em>-</em><em>7</em><em>3</em><em>=</em><em>1</em><em>8</em><em>0</em><em>°</em><em>(</em><em> </em><em>sum </em><em>of </em><em>co-interior</em><em> </em><em>angles</em><em>)</em>

<em>or,</em><em>5</em><em>x</em><em>+</em><em>1</em><em>1</em><em>x</em><em>+</em><em>1</em><em>3</em><em>-</em><em>7</em><em>3</em><em>=</em><em>1</em><em>8</em><em>0</em><em>°</em>

<em>or,</em><em>1</em><em>6</em><em>x</em><em>-</em><em>6</em><em>0</em><em>=</em><em>1</em><em>8</em><em>0</em>

<em>or,</em><em>1</em><em>6</em><em>x</em><em>=</em><em>1</em><em>8</em><em>0</em><em>+</em><em>6</em><em>0</em>

<em>or,</em><em>1</em><em>6</em><em>x</em><em>=</em><em>2</em><em>4</em><em>0</em>

<em>or,</em><em>x=</em><em>2</em><em>4</em><em>0</em><em>/</em><em>1</em><em>6</em>

<em>x=</em><em>1</em><em>5</em>

<em>Hope </em><em>it</em><em> helps</em>

<em>Good </em><em>luck</em><em> on</em><em> your</em><em> assignment</em>

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4 years ago
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Angle 1 and 2 is complementary agles
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Can someone explain to me how to do this and what the answer is
Mashutka [201]
Since lines TS and GF are congruent that means that they are the same length.

Use the equation 12=2x-16 and simplify and you get:


X=14 since the side length is 12
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