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2 years ago

Pls help and show workings (If you don’t know the answer please don’t respond)

Mathematics

2 answers:

raketka [301]2 years ago

8 0

Answer:

the required postulate which should be used here to make the triangles congruent is

C. ASA , okay

Step-by-step explanation:

because, one side and one angle of both triangles are equal and one of angles of the both triangles are vertically opposite angles , hence they are also equal , so we get an angle, a side and one another angle equal to corresponding side and angles of other triangles , so required postulate is C. ASA

I hope it helped

kogti [31]2 years ago

5 0

Answer:

ASA

Step-by-step explanation:

you have 2 angles and a side, so it could either be ASA or AAS.

ASA- the side is between 2 angles (image 1)

AAS- I'm not exactly sure how to describe it, but it's like 2 angles without a side between (image 2)

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The vertex of this parabola is at (-2, 5) (opens upward)

Rzqust [24]

Answer:

b. y = 3(x+2)^2 + 5

Step-by-step explanation:

The vertex form of a parabola is

y = a(x - h)^2 + k where (h, k) is the vertex.

Here h = -2 and k = 5 so the following could be the required equation\;

y = 3(x+2)^2 + 5

7 0

3 years ago

At the beginning of year 1, Josie invests $400 at an annual compound interest

zvonat [6]

Answer:

The explicit formula that can be used is $A=\$400(1.05)^{2}$

The account's balance at the beginning of year 3 is $A=\$441$

Step-by-step explanation:

we know that

The compound interest formula is equal to

$A=P(1+\frac{r}{n})^{nt}$

where

A is the Final Investment Value

P is the Principal amount of money to be invested

r is the rate of interest in decimal

t is Number of Time Periods

n is the number of times interest is compounded per year

in this problem we have

$t=2\ years\\ P=\$400\\ r=0.05\\n=1$

substitute in the formula above

$A=\$400(1+\frac{0.05}{1})^{1*2}$

$A=\$400(1.05)^{2}$

$A=\$441$

3 0

2 years ago

What is the value of x? 5 sqrt 2 10 sqrt 2 5 10

vitfil [10]

Hey there! :D

So, basically, you could say that "x" is equal to both of the legs.

We also know that in 45-45-90 triangles, x*√2= the hypotenuse

Given this information, if we were to divide 10 by the √2, we would get:

10/√2= 7.071.....

5√2= 7.071....

5√2 is the answer.

I hope this helps!
~kaikers

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maks197457 [2]

Answer:

here's your answer

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Vladimir79 [104]

Answer: True

Step-by-step explanation:

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