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chubhunter [2.5K]

2 years ago

13

Pls help me with this!

1 answer:

joja [24]2 years ago

6 0

Answer:

A = 78.5 cm²

Step-by-step explanation:

Area = π · radius²

if diameter is 10 then radius is 5

A = 5²·π

A = 25 × 3.14

A = 78.5 cm²

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What is the value of y^2-x^2 when y=6 and x=5

diamong [38]

Answer:

11

Step-by-step explanation:

((6)^2) - ((5)^2) = 11

3 0

2 years ago

Read 2 more answers

1.- Maria compro $750 en mercancia, por pajar en efectivo le hacen un descuento del 15%, ¿cuánto pago Maria con el descuento?

miss Akunina [59]

Answer:

$637.5

Step-by-step explanation:

Given data

Cost of merchandise= $750

Discount= 15%

Let us find the amount of the discount

=15/100*750

=0.15*750

=$112.5

Hence the amount paid will be

=750-112.5

=$637.5

5 0

2 years ago

I need help asap ( pt 2 )

amid [387]

The first one:

1.1x+1.4y=360;

1.2(x+y)=360;

The second one:

x+y=800;

0.2x+0.04y=800*0.15

3 0

3 years ago

The value of the solid's surface area is equal to the value of the solid's volume. Find the value of x. We know the length is 9

Lerok [7]

Given:

The value of the solid's surface area is equal to the value of the solid's volume.

Length(l) = 9 units

width(b) = 4 units

Height(h) = x units

To find:

The value of x.

Solution:

Solid's surface area is

$Area=2(lb+bh+hl)$

$Area=2(9\times 4+4\times x+x\times 9)$

$Area=2(36+4x+9x)$

$Area=2(36+13x)$

$Area=72+26x$

Volume of solid is

$Volume=l\times b\times h$

$Volume=9\times 4\times x$

$Volume=36x$

Solid's surface area = Volume of solid

$72+26x=36x$

$72=36x-26x$

$72=10x$

Divide both sides by 10.

$7.2=x$

Therefore, the value of x is 7.2.

4 0

3 years ago

−8 = 3+t again sorry if im hurting yo brain

Oduvanchick [21]

Answer:

-11

Step-by-step explanation:

-8 = 3 + t

-8 - 3 = t

-11 = t

Hope this helps :)

6 0

2 years ago