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docker41 [41]
2 years ago
10

Find the area of triangle ABC

Mathematics
2 answers:
Gekata [30.6K]2 years ago
3 0
B. 21.39 because I said so and I did all the calculations and apparently I need more than 20 words but there is your answer enjoy
boyakko [2]2 years ago
3 0

Answer:

I agree with the other answer i does make sense

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What's the slope of the graph
kotykmax [81]

Answer:

1/-2

Step-by-step explanation:

To find the slope:

rise/run

From point to point

So....

From (-1,0)

you go up 2(2)

then left 4(-4)

to get to (-5,2)

so 2/-4 reduced is 1/-2

6 0
2 years ago
Which equation represents the graphed function?
scoundrel [369]

Solution:

we have been asked to find

Which equation represents the graphed function?

As we can see in the graph, the line is passing through the point (2,0) and (0,-3).

As we know the equation of the passing through two points is given by the formula

(y-y_1)=m(x-x_1)\\
\\
m=slope=\frac{y_2-y_1}{x_2-x_1}=\frac{-3-0}{0-2}=\frac{3}{2}  \\

So the equation of the line will be

y-0=\frac{3}{2}(x-2)\\
\\
y= \frac{3}{2}x-3\\
\\

7 0
3 years ago
Read 2 more answers
You need a mean of at least 90 points to advance to the next round of the touch-screen trivia. What score in the fifth game will
lianna [129]

Answer:

At least 98 is needed in the 5th game

Step-by-step explanation:

The missing parameters are:

Game\ 1 = 95

Game\ 2 = 91

Game\ 3 = 77

Game\ 4 =89

Mean = 90 at least

Required

The score in game 5 to make you advance

Mean is calculated as:

Mean = \frac{\sum x}{n}

So, we have:

Mean = \frac{95 + 91 + 77 + 89 + Game\ 5}{5}

Mean = \frac{352 + Game\ 5}{5}

The mean must be at least 90.

So, we have:

\frac{352 + Game\ 5}{5} \ge 90

Multiply both sides by 5

5 * \frac{352 + Game\ 5}{5} \ge 90 * 5

352 + Game\ 5 \ge 450

Make Game 5 the subject

Game\ 5 \ge450 - 352

Game\ 5 \ge 98

<em>At least 98 is needed in the 5th game</em>

4 0
2 years ago
How many ways can a president, vice-president, secretary, and treasurer be chosen from a club with 8 members?
MrMuchimi

_8C_4=\dfrac{8!}{4!4!}=\dfrac{5\cdot6\cdot7\cdot8}{2\cdot3\cdot4}=70

7 0
3 years ago
Read 2 more answers
Is this answer right?
Dmitrij [34]

Answer:

  Blank 1: 64° (or 32°, depending on what the label applies to)

  Blank 2: 42

Step-by-step explanation:

It is a common mistake to believe you have solved the problem when you have found the value of the variable(s) in the problem. You have correctly found the values of n (42) and m (9). However, that is not what the problem is asking for.

We cannot tell if the value (1/2n+11)° is referring to angle DAB, or to angle CAB. In any event, (1/2n+11)° = (1/2×42 +11)° = 32°.

If that is angle CAB, then angle DAB is twice that value, 64°.

If that is angle DAB, then angle DAB is 32°.

__

The side length CD is the same as any other side length in a rhombus, so ...

  CD = 4m+6 = 4×9 +6

  CD = 42 . . . . units

3 0
2 years ago
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