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Phoenix [80]
4 years ago
7

Complete the statements about the two cones. The volumes of the cones are equal when . If a > b, then the cross-sectional are

a of cone A is the cross-sectional area of cone B at every level parallel to their respective bases.
Mathematics
1 answer:
Elenna [48]4 years ago
7 0

Answer: a=b , greater than

Step-by-step explanation:

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14. Given: 5x + 4y = 24, x + 7y= 11; Prove: y= 1<br> Statements<br> reasons
Semenov [28]

Answer:

Step-by-step explanation:

We can use the process of elimination as

5x + 4y = 24

5(x + 7y = 11) —>          5x + 35y = 55

5x + 4y = 24

-(5x + 35y = 55)

—————————

-31y = -31

-31y/-31 = -31/-31

y=1

4 0
3 years ago
Justin loans his uncle $2,500. He charges 6.5% simple interest. His uncle pays him back in 2.5 years. How much interest does his
Lostsunrise [7]

Answer:

$406.25

Step-by-step explanation:

use an interest calculator :)

4 0
3 years ago
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Gina visited the aquarium with some of her cousins, aunts, and uncles. The group bought 20 admission tickets for $340. Adult tic
mamaluj [8]

Answer:

Look at the attachment

Step-by-step explanation:

7 0
3 years ago
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A quadratic function is defined by f ( x ) = x 2 − 8 x − 4 . which expression also defines f and best reveals the maximum or min
Lelechka [254]

Answer:

Step-by-step explanation:

Since the coefficient of x^2 is positive, this quadratic is a parabola in the shape of a U, hence has a minimum.

We want to end up with the form (x-h)^2 + c. Since (x-h)^2>=0, this form shows that the minimum is achieved when x=h.

Completing the square will put the quadratic in the desired form. Note that:

(x-h)^2=x^2-2hx+h^2

Comparing this with the given form, we must have -8=-2h, or h=4. But we are missing h^2=4^2=16. We can add the missing 16 and subtract it elsewhere without changing the quadratic.

x^2-8x+16 + (16-4) = (x-4)^2 + 12

Now we know that at x=4 the quadratic has a minimum and that the minimum is 12.

4 0
2 years ago
Find the intersection point using substitution or elimination. 2p - 6j = -8 4p + 12j = 8
katovenus [111]

Point of intersection using substitution (p, j) is (-1, 1).

Given

2p - 6j = -8----------(1)

4p + 12j = 8---------(2)

From equation 1, We can write

2p = -8 + 6j

p = (-8 + 6j)/2

p = -4 + 3j

By using substitution method, substitute p = -4 + 3j in equation 2

4p + 12j = 8

⇒ 4(-4 + 3j) + 12j =8

⇒ 4 × (-4) + 4 × 3j + 12j = 8

⇒ -16 + 12j +12j = 8

⇒ 24j = 8 +16

⇒ 24j = 24

⇒ j = 24/24

⇒ j = 1

then p = -4 +3j

p = -4 + 3(1)

p = -4 + 3

p = -1

Point of intersection (p, j) is (-1, 1).

Find out more information about point of intersection here

brainly.com/question/14619835

#SPJ4

4 0
2 years ago
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