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vlabodo [156]
3 years ago
10

A new bridge structure requires triangles that are in a ratio of 1:1. If AC = 5x − 5 and EC = 3x + 9, find the distance between

the top and bottom of the bridge, in feet.
A. 7 ft
B. 30 ft
C. 60 ft
D. 90 ft

Mathematics
2 answers:
lilavasa [31]3 years ago
7 0

Answer:

60ft

Step-by-step explanation:

Montano1993 [528]3 years ago
5 0

Answer:

C. 60 ft

Step-by-step explanation:

If triangles ABC and EDC are in a 1:1 relation, they are congruent, and  

    AC = EC

5x - 5 = 3x + 9

    5x = 3x + 14

    2x = 14

      x = 7

AC = 5x + 5 = 5(7) - 5 = 35 - 5 = 30 ft

EC = 3x + 9 = 3(7) + 9 = 21 + 9 = 30 ft

Distance between top and bottom of bridge = AC + EC = 30 + 30 = 60 ft

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Which function has a constant additive rate of change of 14
Maurinko [17]

The first graph function has a constant additive rate of change of -1/4.

From the figure:

First of all when we talk about a rate of change that means a linear relation between variables, which is proper of a linear function represented by the first function showed in the image.

In the first graph we can observe that the x variable increases and y - variable decrease.

rate of change = slope = -1/4

from first graph take any two points.

(2,1) and (-2,2)

slope = 2 - 1 / -2-2

= 1/-4

= -1/4

Learn more about the function here:

brainly.com/question/5975436

#SPJ4

Full question:

Is in the image uploaded.

6 0
1 year ago
What is 10 1/5 - 2 in 1/6 ?​
aalyn [17]
If you want it in mixed number form it is
8 1/30
Decimal form is
8.03
4 0
3 years ago
(Q6) Decide if the function is an exponential function. If it is, state the initial value and the base. y= -4.8·4^x
topjm [15]

Answer:

D

Step-by-step explanation:

Exponential equation takes the form  y=a*b^x  where

  1. a is the initial value ( a ≠ 0), and
  2. b is the base ( b ≠ 1)

The equation given in the problem can be written as  y=-4.8*4^x, so it is <em>an exponential equation, </em>  where a = -4.8 and b = 4.

Thus we can say that the initial value = -4.8 and the base is 4

The correct answer is  D

3 0
3 years ago
Jose has -75 points. He wins 200 points;then he loses 25 points. How many points does he have now?
Sav [38]

Answer:

100 points

Step-by-step explanation:

-75 + 200 = 125

125 - 25 = 100

3 0
3 years ago
Read 2 more answers
PLEASE HELP!!!! see attachment below… I bet you cant solve this:
d1i1m1o1n [39]

Answer:

  • 0

Step-by-step explanation:

<u>For each odd i the term is:</u>

  • (-1)^{i} (5!*5/4!)^{1/2} = - \sqrt{25}

<u>For each even i the term is:</u>

  • (-1)^{i} (5!*5/4!)^{1/2} =  \sqrt{25}

So the sum of the first 100 terms is zero

3 0
2 years ago
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