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3 years ago

Which expression can be used to find the area of the rectangle shown on the coordinate plane?

Mathematics

1 answer:

insens350 [35]3 years ago

7 0

Answer:

Step-by-step explanation:

Size of the rectangle:

7 units by 8 units

Area

7*8 = 56 sq. units

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The answer to B and C

ArbitrLikvidat [17]

Assuming that the triangles are congruent, you can just look at the parts on each triangle to find the parts on the other triangle. The answers are yes, yes, and no. The triangles are obviously not drawn to scale, so just remember to never rely on it being so.

3 0

3 years ago

Lunna [17]

Can you make that more dicriptive

8 0

3 years ago

Denny rode his bicycle miles in the morning. Then he rode miles in the afternoon. How far did he ride his bicycle altogether?

Alekssandra [29.7K]

How many miles did he ride each time?? Just add them up

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4 years ago

G evaluate lim h → 0 (1 + h)9 − 1 h . hint: this limit represents the derivative of a function f at a given point

Bond [772]

$\displaystyle\lim_{h\to0}\frac{(1+h)^9-1}h$

Write $1=1^9$ , and recall that for a differentiable function $f(x)$ , the derivative at a point $x=a$ is given by

$f'(a)=\displaystyle\lim_{h\to0}\frac{f(a+h)-f(a)}h$

which would suggest that for this limit, $f(x)=x^9$ and $a=1$ . We have $f'(x)=9x^8$ , and so the value of the limit would be $9(1)^8=9$ .

7 0

3 years ago

Several surveys in the United States and Europe have asked people to rate their happiness on a scale of 3 = "very happy," 2 = "f

Rudik [331]

Answer:

Step-by-step explanation:

We have to find the reported happiness of person of family income of $25,000, $35,000 and $45,000

Given that the formula for finding relation between a people happiness and his income is

y = 0.065x - 0.613

a) find the happiness of person of family income os $25,000

we put x = 25 as in the equation above

$y=0.065(25)-0.613\\\\=1.625-0.613\\\\=1.02 \approx 1$

Hence, person happiness with with family income of $25,000 on a scale of 3 is y = 1

That means they come under catergory "not to happy"

b) Find the happiness of person of family income os $35,000

we put x = 35 as in the equation above

$y=0.065(35)-0.613\\\\=1.667-0.613\\\\=1.667 \approx 1.7$

Hence, person happiness with with family income of $35,000 on a scale of 3 is y = 1.7

That means they come under catergory "not to happy" and "fairly happy"

c) Find the happiness of person of family income os $45,000

we put x = 45 as in the equation above

$y=0.065(45)-0.613\\\\=2.925-0.613\\\\=2.312 \approx 2.3$

Hence, person happiness with with family income of $45,000 on a scale of 3 is y = 2.3

That means they come under catergory "fairly happy"

8 0

4 years ago