MATHEMATICS HIGH SCHOOL

In circle v, r=14ft. what is the area of circle v? A)14πft2
B)28πft2
C)49πft2
D)196πft2

Answers

Answer 1

Answer:

Answer:

$\text{Area of circle v is }196\pi ft^2$

Step-by-step explanation:

Given the circle v of radius 14 ft.

we have to find the area of circle.

Area of circle can be calculated by the formula

$Area=\pi r^2$

Radius=14 ft

$Area=\pi (14)^2=196\pi ft^2$

Hence, $\text{area of circle v is }196\pi ft^2$

Option D) is correct.

Answer 2

Answer: I'm pretty sure that the answer is D

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What is -2+6y=18 3y=15 ?

Answers

$-2+6y=18\ \ \ |add\ 2\ to\ both\ sides\n6y=20\ \ \ \ \ |divide\ both\ sides\ by\ 6\ny=(20)/(6)\n\n\boxed{y=(10)/(3)}\n---------------------\n\n3y=15\ \ \ \ \ |divide\ both\ sides\ by\ 3\n\n\boxed{y=5}$

$\left \{ {{-2+6y=18} \atop {3y=15}} \right. \n +2+2 \left \{ {{6y=20} \atop {3y=15}} \right. \n /3/3 \left \{ {{6y=20} \atop {y=5}} \right.\n /6/6 \left \{ {{y=3 (1)/(3) } \atop {y=5}} \right.$

Do you know the answer? Help!Given: ∠D ≅∠T, ∠E ≅ ∠U, EO ≅ UX
Name the postulate or theorem you can use to prove the triangles congruent.

A. SSS Postulate
B. SAS Postulate
C. ASA Postulate
D. AAS Theorem

Answers

Answer: D. AAS Theorem

Step-by-step explanation:

Given: ∠D ≅∠T, ∠E ≅ ∠U, EO ≅ UX

Then in Δ DOE and Δ TXU

∠D ≅∠T, [Angle]

∠E ≅ ∠U, [Angle]

EO ≅ UX [Side]

From the figure we can see they are two pair of corresponding congruent angles and one non included sides.

Thus by AAS theorem

Δ DOE ≅ Δ TXU

AAS theorem tells that if two angles and any side of one triangle are congruent to two angles and any side of another triangle, then the triangles are congruent.

A cannot be right, as you do not know all 3 sides are equal, you only know one side is.
B cannot be right, as again you only have one side, and need 2
C could be right, but the order is not correct. The side we know is not between the two angles, making this theory incorrect
D is correct, as we have 2 angles next to each other, and a side that is congruent

System of equations,

3x - 6y =2

5x + 4y = 1

Answers

3x-6y=2 (label equation 1)
5x+4y=1 (label equation 2)
-6y=-3x+2 (rearranged equation 1)
y=1/2x-1/3 (label equation 3)
substitute equation 3 into equation 2
5x+4(1/2x-1/3)=1
5x+2x-4/3=1
15x+6x-4=3 (multiplied everything by 3)

21x-4=3
+4 +4
21x=7
x= 7/21
x=1/3
sub x=7/21 into equation 3
y= 1/2(1/3) -1/3
y= -1/6

Therefore x=1/3 and y= -1/6

2b^2-9b-5
How do you answer this by factoring

Answers

Maybe ask google i sometimes do that

Simple...

you have: $2b^(2)-9b-5$

Using the box method-->>>

What multiplies to -10 and adds to -9?

-10*1=-10

-10+1=-9

(b-5)(2b+1)

Thus, your answer.

Tell how to undo each operation and explain why it works. Adding 28. Dividing by 17

Answers

Addition: Use subtraction, because the inverse of adding is subtracting. Same goes for subtracting. Add.

Multiplying: Opposite to divideing

Lydia makes $7,000 per month in New York City at her interior design company. She can't spend more than 25% of her income on the one bedroom apartment she's looking for

Answers

Answer:

The maximum amount that Lydia can spend on a one-bedroom apartment is $ 1,750.

Step-by-step explanation:

Given that Lydia makes $ 7,000 per month in New York City at her interior design company, and that she can't spend more than 25% of her income on the one bedroom apartment, to determine the maximum amount of money that she can spend must be made the following calculation:

7,000 x 0.25 = X

1,750 = X

Thus, the maximum amount that Lydia can spend on a one-bedroom apartment is $ 1,750.

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Use the function below to find f(-2)f(x)=5^xA. 1/10B. 1/25C. -25D. -10

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