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Dafna1 [17]
2 years ago
11

Two similar triangles have a scale factor of 5:3. The perimeter of the larger triangle is 75 sq inches. What is the perimeter of

the smaller triangle measured in inches?
Mathematics
1 answer:
tekilochka [14]2 years ago
8 0

Answer:

45 inches

Step-by-step explanation:

Create a proportion where x is the perimeter of the smaller triangle:

\frac{5}{3} = \frac{75}{x}

Cross multiply and solve for x:

5x = 225

x = 45

So, the perimeter of the smaller triangle is 45 inches

You might be interested in
Nine times the difference of a number and five is the same as 5 increased by nine times the number plus five times the number .
horsena [70]
9(x-5)=5+(9x+5x)
9x-45=5+14x
9x-14x=45+5
-5x=50
X=50/-5
X=-10
8 0
3 years ago
wanting to cut down his television-watching time slowly, Vince decides to watch 30 fewer minutes of television each week after t
Effectus [21]

Answer:

f(n) = - 0.5n + 6

Step-by-step explanation:

Because Vince cuts down his television watching at a steady pace, his situation models a linear function. As such, we can use slope-intercept form to write and predict his hours watching tv in n weeks.

Slope-intercept form is y=mx+b. In this case, we are choosing to use f(n) instead of y to show the number of hours he is watching tv. We are also choosing to use n weeks instead of x. So we have the form f(n)=mn+b.

We know that Vince starts out at watching 6 hours a week. This is our initial value known as the y-intercept and represented by b. As each week passes, he will decrease from the previous week by 30 minutes or -0.5 hours since 30 out of 60 minutes is 0.5. And since he is decreasing it should be a negative rate of -0.5 and is represented by m.

We substitute b=6 and m=0.5 into our form to get f(n)=-0.5n+6. Let's test week 1. After 1 week he should be down from 6 hours to 5.5 hours or 5 hours and 30 minutes. Let's substitute n=1.

f(n)=-0.5(1)+6=-0.5+6=5.5

We can substitute for any n week and find the amount.


7 0
2 years ago
Help answer this for me it will help i will give u extra points
miv72 [106K]
I think it’s F

Hopefully it’s right
4 0
3 years ago
Please help solve and help with steps please
Gnom [1K]

0.00742574257 I'm glad I could help

7 0
3 years ago
Who ever gets this right will get a brainlest
svp [43]

Answer:

25 .2 is answer

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
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