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3 years ago

Anyone know this geometry question?

Mathematics

1 answer:

andre [41]3 years ago

3 0

Option D should be your answer.

No combo of any of those angles add up to exactly 180 to suggest that they are parallel lines.

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Subtract 2x^2-3xy+4y^2 from 3x^2-5xy-6y^2

Diano4ka-milaya [45]

Answer:

$-x^{2} +2xy+10y^{2}$

Step-by-step explanation:

$2x^2-3xy+4y^2-(3x^2-5xy-6y^2)\\2x^2-3xy+4y^2-3x^2+5xy+6y^2\\-x^{2} +2xy+10y^{2}$

8 0

2 years ago

8) A pyramid has a rectangluar base with length 12 km and width of 5 km. If the volume is 200

SashulF [63]

Hi there!

$\large\boxed{h = 10km}$

We know that the equation for the volume of a pyramid is:

V = 1/3(bh)

We know that:

V = 200 km³

b = 12 × 5 = 60 km²

We can plug these into the equation:

200 = 1/3(60)(h)

Simplify:

200 = 20h

Divide both sides by 20:

200/20 = 20h/20

h = 10 km

6 0

2 years ago

The lengths of the two sides of a triangle (not necessarily a right triangle) are 1.00 meters and 3.46 meters. The sine of the a

Hoochie [10]

Answer:

0.1228

Step-by-step explanation:

We use sine rule

$\dfrac{a}{\sin A} = \dfrac{b}{\sin B} = \dfrac{c}{\sin C}$

where, in any triangle ABC, a is the side opposite ∠A, b is the side opposite ∠B and c is the side opposite ∠C.

Applying this to the question,

$\dfrac{1.00}{0.0355} = \dfrac{3.46}{\sin B}$

$\sin B = 3.46\times0.0355 = 0.12283 \approx 0.1228$

7 0

2 years ago

I dont get this, its really difficult

Anarel [89]

You add the previous 2 numbers so the answer would be 162

8 0

3 years ago

Read 2 more answers

The farmer's market sells fruit baskets. Each basket contains 12 apples and 4 pears. Use a to represent the cost of each apple a

romanna [79]

Answer:

a) a x 12

b) p x 4

c) (a x 12) + (p x 4)

Step-by-step explanation:

These are the answers because:

1) Since a is representing the cost of each apple, we have to multiply the a with 12.

2) Since p is representing the cost of each pear, we have to multiply the p with 4.

3) Finally, for c, each basket contains 12 apples and 4 pears. Therefore, we just use our eautions from before and add them which will give you the total cost of one basket.

Hope this helps! :D

7 0

2 years ago