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KIM [24]
3 years ago
11

Look at the figure. Name the postulate or theorem you can use to prove the train goes congruent?

Mathematics
2 answers:
Nikolay [14]3 years ago
6 0

Let us recall parallelogram properties, which states that opposite angles of parallelogram are congruent.

We can see from graph that side US is parallel to TR and measure of angle U equals to measure of angle R, therefore, quadrilateral drawn in our given graph is a parallelogram.

Since we know that opposite sides of parallelogram are congruent. In our parallelogram UT=SR and US=TR.

In our triangle STU and triangle TSR side TS=TS by reflexive property of congruence.

Therefore, our triangles are congruent by SSS congruence.        

solniwko [45]3 years ago
4 0

Answer: It's SSS Postulate!!    Please vote me brainlyiest

Step-by-step explanation:

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Lynna [10]
20\2=10
10\2=5
5\2=2.5
2.5\2=1.25
4 0
3 years ago
A scientist has a container of 2% acid solution and a container of 5% acid solution. How many fluid ounces of each concentration
algol [13]

Let 'a' be the number of ounces of 2%-solution in the 25-ounce mixture

and 'b' be the number of ounces of 5%-solution in the 25-ounce mixture.

Since, fluid ounces of each concentration should be combined to make 25 fl oz.

So, a+b=25 (Equation 1)

And, a container of 2% acid solution and a container of 5% acid solution should be combined to make 25 fl oz of 3.2% acid solution.

So, a of 2% + b of 5% = 3.2% of 25

(a \times \frac{2}{100})+(b \times \frac{5}{100})= 25 \times \frac{3.2}{100}

(0.02a)+(0.05b)= 0.8

Multiplying the above equation by 100, we get

2a+5b=80 (Equation 2)

Substituting the value of a=25-b in equation 2, we get

2(25-b)+5b=80

50-2b+5b=80

50+3b=80

3b=30

b=10

Since, a=25-b

a= 25-10

a=15.

So, 15 fluid ounces of 2% solution combined with 10 ounces of the 5% solution to create a 25-ounce mixture at 3.2% concentration of acid.

7 0
3 years ago
Sharon buys 14 folders for $0.75 each.How much change will she recive if she pays with 15 dollars?
Mashutka [201]
14x0.75=10.5
15-10.5=4.5
so she will get $4.50c
Hope this helps! :D
3 0
3 years ago
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eduard

Answer:

65503.75

Step-by-step explanation:

262015 divisble by 4 = 65503.75

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Write the equation of the line in slope-intercept form of the statement
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Answer:

Y= -2x +40

Step-by-step explanation:

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