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3 years ago

Which mathematical symbol would best fill in the blank to compare the two real numbers?

2 answers:

6 0

Square root of 7 is rounded to 2.645

14 over 5 is rounded to 2.8

square root of 7 < 14 over 5

Alexandra [31]3 years ago

5 0

Answer: The correct option is (A) < .

Step-by-step explanation: We are given to select the correct mathematical symbol that would best fill in the blank to compare the following two real numbers :

$\sqrt7~~~?~~~\dfrac{14}{5}.$

First , we need to find the values of both the real numbers in decimal form.

We have

$\sqrt7=2.64575...,\\\\\dfrac{14}{5}=2.8.$

Since, $2.64575$ so we get

$\sqrt7$

Thus, the correct mathematical symbol is <.

Option (A) is CORRECT.

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lianna [129]

Step-by-step explanation:

Hey there!

1.》 Let the unknown angle be 'x'.

Now,

x+ 29° + 105° = 180° [ Sum of interior angle of a triangle is 180°]

x = 180° - 134°

x = 46°

Therefore the missingangle is 46°.

2.》Angle 1 = 78° + 55° [ Exterior angleis equal to the measure of adjacent interior angle]

angle 1 = 133°

Therefore the measure of angle 1 is 133°.

3.》Angle 2 + 55° + 78°= 180° [ Sum of interior angle of a triangle is 180°]

angle 2 = 180° - 133°

angle 2 = 47°

Therefore the measure of angle 2 is 47°.

4.》It's is obvious that the measure of exterior angle is equal to opposite adjacent interior angle of a triangle.

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8 0

3 years ago

Solve sin2x=-1/2 on the interval 0≤ angle≤360°

GREYUIT [131]

Answer:

x=135

Step-by-step explanation:

We know that sin(270) = -1/2

So 2x = 270

x = 135

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2 years ago

Each graph below shows a relationship between x and y. For each graph, determine whether x and y are proportional. If x and y ar

Irina18 [472]

A) Proportional

y is 1/2 times x

B) Not proportional

y is 3/2 times x

C) Proportional

y is 1/2 times x

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3 years ago

Helppp! Get my smart score to 100 please :(

VladimirAG [237]

Answer: 4c=32

Step-by-step explanation:

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3 years ago

the second angle of a triangle measures three times as large as the first, if the third angle measures 55 degrees more than the

emmasim [6.3K]

M represents measure of first angle
3m represents measure of second angle
m + 55 represents measure of third angle

Sum of angles equals 180°

m + 3m + m + 55 = 180 combine like terms
5m + 55 = 180 subtract 35 from both sides
5m = 125
m = 25

The three angles are 25, 75, and 80.

Check
29 + 75 + 80 = 180
180 = 180

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3 years ago