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3 years ago

Pls answer this for mw

Mathematics

2 answers:

STatiana [176]3 years ago

8 0

Answer:

True.

Step-by-step explanation:

< ABF and < FBE are supplementary angles because when we sum up both we get 180°

Hope it will help :)❤

Arlecino [84]3 years ago

8 0

True is the answer I think

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Find the square roots of 119 + 120i algebraically.

blondinia [14]

Answer:

Step-by-step explanation:

Given

z=119+120 i

Let $\sqrt{119+120 i}=p+iq$

Squaring both sides

$119+120 i=p^2-q^2+2ipq$

Comparing real and imaginary part

Re(LHS)=Re(RHS)

$119=p^2-q^2$ -----------1

comparing Im(LHS)=Im(RHS)

120=2pq

$q=\frac{60}{p}$

Substitute q in 1

$119=p^2-(\frac{60}{p})^2$

$p^4-119p^2-(68)^2=0$

Let $x=p^2$

$x^2-119x-4624=0$

$x=\frac{119\pm \sqrt{119^2+4\times 4624}}{2}$

$x=\frac{119\pm 180.71}{2}$

we take only Positive value because $p^2=x$

x=149.85

$p^2=149.85$

thus $p=\pm 12.24$

$q=\mp 4.90$

thus $\sqrt{119+120 i}=\pm (12.24+i 4.90)$

8 0

3 years ago

I need help multiplying fraction s what is 1/2 * 1/2 and can you add a explanation

tigry1 [53]

Answer:

2 1/2

Step-by-step explanation:

since it two halves multiplied, it'd be 2 1/2. you can also mulitpy decimals to get ur answer

breainliest pls

7 0

4 years ago

How would I graph this and find the solution to this system. y=-1/2x+4

Lesechka [4]

Answer: Easy, graph and solution

Step-by-step explanation: First what you want to do use the slope intercept form to find the slope and y intercept; -1/2 and y intercept (0,4). Any line can be graphed using 2 points. Select two x values, plug them into the equation to find the corresponding y values. Solution

1.) Step; x and y

Table:

0║4

8║0

All you had to do is divide 0=-x/2 +4= . (8) For the x intercept you get 8and for y you get 4 because you divided 0=-0/2+4

5 0

3 years ago

A line plot could be used as a data display for the distribution of test scores in math class. true or false

Andreas93 [3]

A line plot can be used as a data display for the distribution of test scores in math class. Thus, the option to choose is TRUE.

A line plot is a graph that shows data as checkmarks or dots across a number line, indicating the frequency of each value.

The test score in the math test will be discrete data with repeating frequencies. The score of every individual will moreover be a whole number.

The line plot, as we know, marks the dots across the number line, indicating frequency.

Thus, the scores in the math test can be displayed using a line plot, by indicating each type of mark on the line, and dots above those marks for the number of times the same marks occur.

Thus, the option to choose is true.

Learn more about line plots at

brainly.com/question/8989301

#SPJ4

8 0

2 years ago

The tyre of a car wheel has an outer diameter of 30 cm . How many times will the wheel rotate on a journey of 5 km

faltersainse [42]

Answer:

5305.1647 times

Step-by-step explanation:

The Circumference of a circle : πd

d = diameter of circle = 30 cm

Circumference of wheel = π * 30cm = 94.247779 cm

1km to cm

1km = 100000cm

5 km = 500000 cm

Hence, number of times wheel rotate on a 5km journey :

500000 cm / 94.247779 cm

= 5305.1647 times

3 0

3 years ago

Pls answer this for mw​

Pls answer this for mw