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zimovet [89]
3 years ago
15

Help please! 10 points!

Mathematics
1 answer:
IgorC [24]3 years ago
7 0

Answer:

21.6 or 22

Step-by-step explanation:

Triangles have same angles. This means that they are proportion.

50/27 = 40/x

when you cross multiply to solve x, 50x = 1080

so x = 21.6

If you have to nearest whole number, it will be 22

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Please help me. I don’t understand this at all...
mylen [45]
Problem 1

With limits, you are looking to see what happens when x gets closer to some value. For example, as x gets closer to x = 2 (from the left and right side), then y is getting closer and closer to y = 1/2. Therefore the limiting value is 1/2

Another example: as x gets closer to x = 4 from the right hand side, the y value gets closer to y = 4. This y value is different if you approach x = 0 from the left side (y would approach y = 1/2)

Use examples like this and you'll get the results you see in "figure 1"

For any function values, you'll look for actual points on the graph. A point does not exist if there is an open circle. There is an open circle at x = 2 for instance, so that's why f(2) = UND. On the other hand, f(0) is defined and it is equal to 4 as the point (0,4) is on the function curve.

=======================================================

Problem 2

This is basically an extension of problem 1. The same idea applies. See "figure 2" (in the attached images) for the answers. 

6 0
3 years ago
1) (7 X 6) = 2 [{45 - 3(7 X 2 - 15 + 6)} + 4] ​
zhuklara [117]

Answer:

42=2[{45-3(14-21)}+4]

42=2[{45-3×-6}+4]

42=2[{45-18}+4]

42=2[{27}+4]

42=2[27+4]

42=2×31

42=62

7 0
2 years ago
Read 2 more answers
To print tickets, a printer charges a $30 setup fee plus $1.05 per ticket. Write an algebraic expression for the cost of t ticke
arsen [322]

Answer:

Solution given:

we have

setup price =$30

as rate for 1 print tickets =$1.05/tickets

so

for t

t=$30+$1.05*t

is a required expression.

the

cost of 300 tickets:

300 tickets =$30+$1.05*300=$345

$345is the cost of 300 tickets.

5 0
3 years ago
I need help for my daughters homework for write the sentence as an inequality
Taya2010 [7]

Answer:

15 < t ÷5

Step-by-step explanation:

all it wants is for you write the sentence as an equation.

I really hope this helps

3 0
3 years ago
A square garden has an area of 1,600 square feet. How long is each side of
kiruha [24]

Answer:

40

Step-by-step explanation:

why? because 40x40=1600

6 0
3 years ago
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