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3 years ago

CAN SOMEONE HELP ME OUT ASAP!!! PLEASE

Mathematics

1 answer:

Maurinko [17]3 years ago

5 0

Answer:

-6.5)7 1/4)6.57)-5 58/100)9 1/3

Step-by-step explanation:

I have no explanation

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Question 30 please!!

blondinia [14]

#30)

Pipe A filled for 3 days and pipe B filled for 2 days

Both can fill: 1/3 + 1/2 = 2/6 + 3/6 = 5/6

Answer: 5/6 of a day to fill the pool

8 0

3 years ago

How do I solve this question?

g100num [7]

Answer:

$-7 \frac{1}{2}$

Step-by-step explanation:

$\frac{6 {x}^{ - 1} {y}^{ \frac{7}{2} } }{ \sqrt{16 {x}^{2} } {y}^{2} } \\ \\ = \frac{6 {x}^{ - 1} {y}^{ \frac{7}{2} } }{ \sqrt{(4 {x} {y})^{2} }}\\ \\ = \frac{6 {x}^{ - 1} {y}^{ \frac{7}{2} } }{ {4 {x} {y}}}\\ \\ = \frac{6}{4} {x }^{ - 1 - 1} {y}^{ \frac{7}{2} - 1 } \\ \\ = \frac{3}{2} {x }^{ - 2} {y}^{ \frac{5}{2} } \\ \\ equating \: it \: with \: \\ a {x}^{b} {y}^{c} \\ \\ \implies \\ a = \frac{3}{2} \\ \\ b = - 2 \\ \\ c = \frac{5}{2} \\ \\ abc = \frac{3}{2} \times ( - 2) \times \frac{5}{2} \\ \\ = - \frac{15}{2} \\ \\ =- 7 \frac{1}{2} \\$

4 0

4 years ago

A rectangular garden is 12 meters long and 9 wide. A border is sold in 1.5 meter sections. How many sections are needed to surro

k0ka [10]

Answer:

Find the perimeter then divide by the section length.

Answer is 28 Sections

Step-by-step explanation:

Please mark this answer as Brainliest if it helped you :)

4 0

3 years ago

Determine which is bigger a 8.5 by 12 rectangulae pizza or a circular 12 pizza

kotegsom [21]

Answer:

circular pizza

Step-by-step explanation

rectangular - 8.5 x 12= 102

circular - 12 x 12= 144

6 0

3 years ago

Point B is a point of tangency. Find the radius r of OC.

Bumek [7]

Answer:

r = 16 units

Step-by-step explanation:

From the figure attached,

AB is the tangent drawn from a point A to the circle C.

BC = r [Radius of the circle]

Length of AC = (18 + r)

AB = 30

By the property of a tangent drawn to a circle,

"Radius of a circle and tangent are perpendicular to each other"

AB ⊥ BC

By applying Pythagoras theorem in ΔABC,

AB² + BC² = AC²

(30)² + r² = (r + 18)²

900 + r² = r² + 36r + 324

36r = 900 - 324

r = $\frac{576}{36}$

r = 16 units

6 0

3 years ago