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2 years ago

9

A triangle has two sides of lengths 7 and 9. What value could the length of

1 answer:

Natalka [10]2 years ago

7 0

I THINK it’s c a or e

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Essential: Solve the proportions<br> step by step

vazorg [7]

Answer:

The value of r= $\frac{-106}{47}$

The value of x= $\frac{83}{32}$

Step-by-step explanation:

Given that,

A) $\frac{2r-2}{7r+10} = \frac{9}{8}$

Now,

$\frac{2r-2}{7r+10} = \frac{9}{8}$

8(2r-2)=9(7r+10)

16r-16=63r+90

-16-90=63r-16r

-(16+90)=47r

-106=47r

r= $\frac{-106}{47}$

B) $\frac{x+4}{9} = \frac{3(x-2)-1}{5}$

Now,

$\frac{x+4}{9} = \frac{3(x-2)-1}{5}$

5(x+5)=9[3(x-2)-1]

5x+25=9[3x-6-1]

5x+25=9[3x-7]

5x+25=27x-63

25+63=27x+5x

83=32x

x= $\frac{83}{32}$

6 0

3 years ago

A car travels 22 miles for every gallon of gasoline used. The table below represents this relationship. Gas Mileage Distance Tra

ch4aika [34]

Answer: The answer is the second one/b.

7 0

2 years ago

Read 2 more answers

4x-10=30<br> 2n-7=30 <br> S/3+2=4

emmasim [6.3K]

Answer:

x=10 n=18.5 s=6

Step-by-step explanation:

4x-10=30

Add 10 to both sides

4x-10+10=30+10

4x=40

Divide by 4 on both sides

(4x)/4=40/4

x=10

2n-7=30

Add 7 to both sides

2n-7+7=30+7

2n=37

Divide by 2 on both sides

(2n)/2=37/2

n=18.5

(s/3)+2=4

Subtract 2 from both sides

(s/3)+2-2=4-2

(s/3)=2

Multiply by 3 on both sides

3s/3=2*3

s=6

6 0

3 years ago

2. During a 5-day training at your department, the number of visitors tripled each day. If the training started on a Monday with

bixtya [17]

Monday/345
345×3=
Tuesday/1,035
1,035×3=
Wendsday/3,105
3,105×3
Thursday=9,315

6 0

3 years ago

Which expression is equivalent to 4.4.4.4.4.4.4.4?

seraphim [82]

Answer:

your answer is D

Step-by-step explanation:

hope this helps

8 0

2 years ago

Read 2 more answers