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3 years ago

Which set of side lengths create a right triangle ?

Mathematics

1 answer:

I am Lyosha [343]3 years ago

3 0

Answer:

(8, 15 and 17)

Step-by-step explanation:

$\sqrt{10^{2} +28^{2} } \neq 29$

$\sqrt{6^{2} +8^{2} } \neq 13$

$\sqrt{7^{2} +12^{2} } \neq 14$

$\sqrt{8^{2} +15^{2} } =17$

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If sin θ=4/5 and 90°<θ<180°, what is cos θ?

34kurt

Answer:

Cos ∅ = 3/5

BUT COSINE IS NEGATIVE IN THE SECOND QUADRANT.

Thus cos∅= -3/5

7 0

3 years ago

Ron is saving 2/13 of his monthly income of 3978 for a new car. how much money is he setting aside each month for that car?

ArbitrLikvidat [17]

Answer:

$612

Step-by-step explanation:

2/13 of 3978 is 612

4 0

3 years ago

State the Postulate or Theorem that can be used to say that the triangles are congruent:

Snezhnost [94]

The congruence theorems or postulates that proves the following set of triangles are congruent are:

a. SAS congruence postulate

b. SSS congruence postulate

c. SAS congruence postulate

d. SAS congruence postulate

<h3>Triangle Congruence Postulates or Theorems</h3>

Two triangles having two pairs of congruent angles and a pair of included sides are congruent by the SAS congruence postulate.

Two triangles having three pairs of congruent sides are congruent by the SSS congruence postulate.

Two triangles having two pairs of congruent sides and a pair of included angles are congruent by the SAS congruence postulate.

Two triangles having two pairs of congruent angles and a non-included side are congruent by the SAS congruence postulate.

Therefore, the congruence theorems or postulates that proves the following set of triangles are congruent are:

a. SAS congruence postulate

b. SSS congruence postulate

c. SAS congruence postulate

d. SAS congruence postulate

Learn more about Triangle Congruence Postulates or Theorems on:

brainly.com/question/3432837

5 0

2 years ago

Plsss help i need it asap!!!

stepladder [879]

Answer:

C) 7 and 3

Step-by-step explanation:

2x+4+8x-10=x²+15

10x-6=x²+15

0=x²-10x+21

0=(x-3)(x-7)

x=3 and 7

5 0

3 years ago

STEAM: The boiling pint of water is affected by changes in elevation. Use the expression of -2A/1000 where a represents the alti

damaskus [11]

Answer:

A) -10°F

Step-by-step explanation:

Given that:

Boiling point of water gets affected when there is a change in the elevation.

Expression to represent the temperature i.e. boiling point w.r.to altitude $A$ is given by the equation:

Temperature in $^\circ F$ = $\frac{-2A}{1000}$

Given that, the altitude, $A$ = 5,000 feet

To find:

The number of degrees Farenhite at which the boiling point of water will change.

Solution:

Here, we are given the expression:

Temperature in $^\circ F$ = $\frac{-2A}{1000}$

And value of altitude, $A$ = 5,000 feet

Let us put the value of $A$ in the equation and let us find the value of temperature in $^\circ F$ .

Temperature in $^\circ F$ =

$\frac{-2\times 5000}{1000}\\\Rightarrow -2\times 5\\\Rightarrow \bold{-10^\circ F}$

Therefore, the answer is:

A) -10°F

5 0

3 years ago