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3 years ago

Please help? I'll fail if I miss this....

Mathematics

2 answers:

antoniya [11.8K]3 years ago

8 0

Answer:

The answer is triangle PST is similar to triangle SRT

Step-by-step explanation:

In the given figure ∠PQR = ∠SRT= ∠PTS =90°

By AA similarity rule we prove the two triangles similar.

In triangle SRT and PST

∠SRT = ∠PTS (both right angles i.e both 90°)

∠RST = ∠PST (common)

Hence, by AA rule

Therefore, Triangle SRT and PST are similar

Svetach [21]3 years ago

6 0

The answer is Triangle PQR

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Can any one help with this math problem: −1/2−(−5/9) I am a little confused

vichka [17]

Answer:

1/18

Step-by-step explanation:

-(-5/9) would turn into a positive 5/9. It cancels its own negative out.

The problem then turns to -1/2+5/9. Find the least common denominator and then combine.

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3 years ago

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The graph below is a function.<br><br> True or false?

Citrus2011 [14]

Answer:

true!

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3 years ago

Two third of a number is 30. find the number

liraira [26]

Answer:

The number is 45

Step-by-step explanation:

Let number = x

2/3 x = 30

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x = 30×3/2

x = 90/2 = 45

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2 years ago

ASAP!!!!!!!!!!!!!!!!!!!

steposvetlana [31]

Answer:

V = 2143.57 cm^3

Step-by-step explanation:

We want to find the volume of the sphere

V = 4/3 pi r^3 where r is the radius and pi = 3.14

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2 years ago

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one number is four times as large as another if the numbers are added together the result is six less than seven times the small

liubo4ka [24]

Answer:

The numbers are 12 and 3.

Step-by-step explanation:

We can solve this problem by working with the information we have and setting up some equations.

We know that one number is four times as large as another. So, let the smaller number be represented by the variable x and the bigger number be represented by 4x, since it is four times as large.

Now, we know that if the numbers are added together, then the result is six less than seven times the smaller number. This can also be represented by the equation 4x + x = 7x - 6.

Let's solve that equation like so:

$4x + x = 7x - 6\\5x = 7x - 6\\-2x = -6\\x = 3$

So, the smaller number must be 3 (remember that x represented the smaller number). To find the bigger number, all we need to do is multiply 3 by 4, which gives us 12. Therefore, the numbers are 12 and 3.

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3 years ago