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nadya68 [22]
3 years ago
11

13_ ( 9 ) = x a true sentence

Mathematics
1 answer:
Sergio [31]3 years ago
6 0
The awnser IS no it is not a true statement
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10x - 4 = 2 ( ? ) is it a) 5x - 4 b) 5x - 2 c) 10x - 4 d ) 10x - 8
attashe74 [19]
We have that

<span>10x - 4 = 2 ( ? )
</span>I proceed to replace the missing value with the given expression

case a-------------> <span>5x - 4
</span><span>then
</span>10x - 4 = 2 (5x-4 )--------> 10x - 4 = 10x-8--------> is not solution

case b-------------> 5x - 2
then
10x - 4 = 2 (5x-2 )--------> 10x - 4 = 10x-4--------> is  solution

 case c-------------> <span>10x - 4 
</span>then
10x - 4 = 2 (10x - 4 )--------> 10x - 4 = 20x-8--------> is not solution

 case d-------------> <span>10x - 8
</span>then
10x - 4 = 2 (10x - 8 )--------> 10x - 4 = 20x-16--------> is not solution

the answer is the option b) 5x - 2
3 0
3 years ago
1) In the national park, the ratio of black bears to grizzly bears is 3:1.
Vika [28.1K]
A)
3 : 1
24 : ? 
Add the ratio together (3+1=4), Divide the one you know (24 Black bears) by the ratio (24/4=8), the answer equals the amount of the missing value. (?=8)

B)
3 : 1
? : 12
12*3=36    ?=36
The black bear is just 3* bigger than the grizzly bear.

C)
Total =20
Add the ratio together (3+1=4), divide by the total (20/4=5), and then just multiple the ratios by 5.
3 : 1
15 : 5

I hope this helps :)


8 0
3 years ago
a coin must have diameter of 27.13 millimeters.To the nearest hundredth, what is the circumference of this coin millimeters
Bas_tet [7]
To find the circumference, you will use the formula for finding circumference of a circle.

I used the true value of pi for the calculations.

C = pi x d
pi x 27.13
C = 85.77mm

4 0
3 years ago
In 1 mile she counts 33 post if they are spaced evenly how many feet apart are they
Tcecarenko [31]
They are spaced about 0.030 miles apart or 53.33 yards apart. Just divide 1 mile by 33 and get your answer. :) Hope I helped!
6 0
3 years ago
Which ratio froms a proportional with 16/20? A 4/10 B 32/50 C 8/12 D 4/5​
kiruha [24]
D . 4/5 16/4 = 4 | 20/4=5.
6 0
3 years ago
Read 2 more answers
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