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liraira [26]
3 years ago
14

Question 3 options:

Mathematics
1 answer:
Grace [21]3 years ago
5 0

Answer:

90

Step-by-step explanation:

Given: Measure of one side of equilateral triangle = 9+3x

Measure of another side of equilateral triangle = 5x-5

In equilateral triangle all three sides are equal in length.Therefore,

5x-5 =9+3x

5x-3x=9+5

2x=14

x=\frac{14}{2} =7

On substituting the value of x in side of equilateral triangle,

One side of equilateral triangle = 5x-5=\left (5(7)-5 \right )=(35-5)=30

Perimeter of equilateral triangle = 3 ( length of one side) ........( given)

perimeter of equilateral triangle = 3\times30 = 90.

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Eleven decreased by a number is at most nineteen<br><br> Pls make it into a expression
mezya [45]

Answ

n-11 ≤ 19

or 11-n ≤ 19

Step-by-step explanation:

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4 0
3 years ago
Helppppppp pleaseeeee
ratelena [41]
Let's consider each of the options; 

A) The range is the values that y can be of the function f(x). We can see that no matter what x values you put in, f(x)>0. It will never be negative. Although, if you put (1/2)^2, you can get a y value of (1/4) so this statement is incorrect. 

B) It would have to put in the x or y value into the function and check. f(0)=(1/2)^0 

You know that anything to the zero-th power gives 1, therefore, this statement is correct. 

C) Again, if you put in a value such as (1/2)^2, you would be getting a number that is smaller than 1/2, so it isn't always increasing. 

D) Again, it is possible to input any value in x and you would still be getting a positive y-value, therefore, this statement is incorrect.

Hope I helped :) 
4 0
3 years ago
POSSIBLE POINTS 6
yan [13]

Answer:

D 60

Step-by-step explanation:

f(5)=35

f(6)=40

f(7)=45

f(8)=50

f(9)=55

f(10)=60

3 0
3 years ago
What is the image of the point (1,8)(1,8) after a rotation of 180 counterclockwise about the origin?
slamgirl [31]

Answer:

(- 1, - 8 )

Step-by-step explanation:

Under a counterclockwise rotation about the origin of 180°

a point (x, y ) → (- x, - y ) , thus

(1, 8 ) → (- 1, - 8 )

7 0
3 years ago
Marie placed all of her change in a coin jar. The number of each type of coin is shown below.
denis23 [38]

Answer:I'm not sure how to answer that  

Step-by-step explanation:

8 0
3 years ago
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