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AveGali [126]
3 years ago
10

What is the area of the trapezoid shown below?

Mathematics
2 answers:
valentina_108 [34]3 years ago
7 0

Answer:

C. 78 sq. units

Step-by-step explanation:

area \: of \: trapezoid \\=  \frac{1}{2}  \times (19 + 7) \times 6 \\  = 26 \times 3 \\  = 78 \: sq \: units

Olegator [25]3 years ago
5 0

Answer:

78

Step-by-step explanation:

7+8/2 multiply by 6

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Find the area of a triangle formed by placing the vectors [3, 6] and [7, 1] tail-to-tail.
Usimov [2.4K]

Answer:

a. A=10u^{2}

b. View graph

c. 6.40u

Step-by-step explanation:

knowing that the triangle area is equal to base by heigh between two, then:

A=\frac{bh}{2}=\frac{5*4}{2}=10u^{2}

The length of the longest altitude of your triangle is:

c^{2}=a^{2}+b^{2}=5^{2}+4^{2}=25+16=41\\    c=\sqrt{41}=6.40u

finally it can be seen that the position of the triangle does not matter, as long as the base and heigh are maintained, the area of ​​the triangle will be the same

6 0
3 years ago
What is the scientific notation of 0.005
Airida [17]
Move the decimal to the right 3 places: 5 x 10⁻³ 
3 0
3 years ago
PLZ HELP Which represents a quadratic function? f(x) = 2x3 + 2x2 – 4 f(x) = –7x2 – x + 2 f(x) = –3x + 2 f(x) = 0x2 + 3x – 3
just olya [345]

Answer:

f(x) = -7x² - x + 2

Step-by-step explanation:

Quadratic functions are set up in the form ax² + bx + c. f(x) = 0x² + 3x -3 is also set up in this format but 0x² would simplify to 0 which means the equation is actually f(x) = 3x-3 and does not fit in the quadratic function format. The other equations are also not set up in ax² + bx + c.

5 0
3 years ago
Solve for x. <br> Need help please
finlep [7]

Answer:

x=-11

Step-by-step explanation:

the (x+14) line is half of the (17+x) line, so in order to solve this we would have to set it up like this:

2(x+14)=17+x

distribute

2x+28=17+x

x=-11

3 0
3 years ago
Read 2 more answers
Can you help me please
Gwar [14]

Answer:

I'm pretty sure it's A.

Step-by-step explanation:

The formula is y=mx+b,

Where m is the slope

And b is the y intercept

You listed it with the numbers y= 2/5x - 1

So we know the y intercept is -1

We know the slope is 2/5, witch is 2 up and five to the right, due to rise over run.

So the correct graph is A.

7 0
3 years ago
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