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vagabundo [1.1K]
3 years ago
9

Pls helpp! help me with this maths question 10 points available pls thank you

Mathematics
2 answers:
hammer [34]3 years ago
6 0

Answer:

53.9

Step-by-step explanation:

you add all of the sides up

damaskus [11]3 years ago
4 0

Answer:

178.07

Step-by-step explanation:

First you have to multiply 13 x 16 = 208. After that you have to find the area of the missing piece, to find that you have to add 5.7 + 6.2 = 11.9, and then subtract by 16 to get 4.1. Then you multiply 7.3 x 4.1 = 29.93.

29.93 is the area of the missing piece

So you would subtract the area of the whole thing (208) by the area of the piece (29.93)

To get the answer 178.07

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Sin a ______ = 1/2 [ sin ( a + b ) + sin ( a - b) ]
Neko [114]

Answer:

Cos b

Step-by-step explanation:

1/2[sin(a+b)+sin(a-b)]

1/2[sin a cos b +cos a sin b + sin A cos B - cos A sin B]

1/2[2sin a cos b]

sin a cos b

6 0
3 years ago
The table below shows the budget for the Smith family.
tiny-mole [99]

Answer:

415 300 213 3400 4500 = 8415

4500 450 415 300 215 3400 = 9280

8828 times 100 divided by 9280 =9 5.1293103448

95.1 percent (simplified)

Step-by-step explanation: income is income rescieved, id.k if income taxes is given to you but taxes is usually taken away from you, college savings, retirement saving and emergency funds are income, and living expenses is for living and you use it on what ever you want. mainly food.

8 0
3 years ago
Read 2 more answers
To start a board game, the player who rolls two sixes gets to go first. What is the probability that a player will roll two
Crank

Answer:

1 over 36

Step-by-step explanation:

4 0
3 years ago
Find the equation of a line, in slope-intercept fotm of a line that passes through the point (9,2) and is perpendicular to the l
cricket20 [7]

Considering the definition of perpendicular line, the equation of of perpendicular line is y= -\frac{1}{2}x + \frac{13}{2}.

<h3>Linear equation</h3>

A linear equation o line can be expressed in the form y = mx + b.

where

x and y are coordinates of a point.

m is the slope.

b is the ordinate to the origin and represents the coordinate of the point where the line crosses the y axis.

<h3>Perpendicular line</h3>

Perpendicular lines are lines that intersect at right angles or 90° angles. If you multiply the slopes of two perpendicular lines, you get –1.

<h3>Equation of perpendicular line in this case</h3>

In this case, the line is 2x-y=8. Expressed in the form y = mx + b, you get:

-y=8 - 2x

y= (-2x +8)÷ (-1)

y= 2x -8

If you multiply the slopes of two perpendicular lines, you get –1. In this case, the line has a slope of 2. So:

2× slope perpendicular line= -1

slope perpendicular line= (-1)÷ (2)

<u><em>slope perpendicular line= -</em></u>\frac{1}{2}

So, the perpendicular line has a form of: y= -\frac{1}{2}x + b

The line passes through the point (9, 2). Replacing in the expression for perpendicular line:

2= (-\frac{1}{2})× 9 + b

2=  -\frac{9}{2} + b

2+ \frac{9}{2}= b

<u><em /></u>\frac{13}{2}<u><em>= b</em></u>

Finally, the equation of of perpendicular line is y= -\frac{1}{2}x + \frac{13}{2}.

Learn more about perpendicular line:

brainly.com/question/7197064

brainly.com/question/11470863

brainly.com/question/7280013

#SPJ1

6 0
2 years ago
The triangle shown below has an area of 10 units^2 squared.<br> Find x.
Nonamiya [84]

Answer:

x = 5

Step-by-step explanation:

A = hb/2

10 = 4(x)/2

10 = 2x

x = 5

im not sure if this is right but get back to me if it isn't

6 0
3 years ago
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