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3 years ago

I NEED HELP PLEASE !!!!!!!!

Mathematics

2 answers:

Gelneren [198K]3 years ago

5 0

If I’m not mistaking it’s 7/12

kolbaska11 [484]3 years ago

3 0

Answer:

0.58333333333

Step-by-step explanation:

You would subtract

3/4 - 1/6

And you would get

0.58333333333

In simplest form it would be

0.583

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Topic 1 performance assessment pg. 53 and 54

777dan777 [17]

What are u talking about? i don't have an performance assessment of any kind

7 0

3 years ago

Read 2 more answers

6 = 2 (y + 2)<br><br> find X <br> please

Elena-2011 [213]

Answer: y = 1

there no x, i think you meant y?

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

6=2(y+2)

6=(2)(y)+(2)(2)(Distribute)

6=2y+4

Step 2: Flip the equation.

2y+4=6

Step 3: Subtract 4 from both sides.

2y+4−4=6−4

2y=2

Step 4: Divide both sides by 2.

2y over 2 = 2 over 2

6 0

2 years ago

What is the value of x in the equation 3(4x+6) =21<br> A) 1/4<br> B) 13/4<br> C) 4/13 <br> D) 12/7

nata0808 [166]

3 (4x + 6) = 21
4x + 6 = 21/3
4x + 6 = 7
4x = 7 - 6
4x = 1
x = 1/4

8 0

2 years ago

PLEASE HELP QUICKLY: (FIRST ANSWER GETS BRAINLIEST)

kodGreya [7K]

Answer:

Buy the batteries and stereo online:

4.99*2= $9.98 +$90 = $99.98

6.99-5.00 = $1.99

99.98+1.99=$101.97

3Cds in store

7.97*3= $23.85

5% tax = 1.19

10% off = 2.39

$23.85 - $1.19= $22.66

22.66 + 101.97= $124.63

All in store:

12+100+23.85= 135.85 - 6.45 = $129.40

All online:

9.98 + 90 + 26.85= 126.85 +$1.99 = 128.84

<u><em>(CREDIT: Hussain514)</em></u>

8 0

3 years ago

From a circular cylinder of diameter 10 cm and height 12 cm are conical cavity of the same base radius and of the same height is

Nataliya [291]

<h3>Volume of the remaining solid = 628 cm^2</h3>

<h3>Whole surface area = 659.4 cm^2</h3>

Step-by-step explanation:

Now, Given that:-

Diameter (d) = 10 cm

So, Radius (r) = 10/2 = 5cm

Height of the cylinder = 12cm.

$volume \: of \: the \: cylinder \: = \pi {r}^{2} h$

$= > \pi \times {5}^{2} \times 12 {cm}^{3} = 300\pi {cm}^{3}$

Radius of the cone = 5 cm.

Height of the cone = 12 cm.

$slant \: height \: of \: the \: cone \: = \sqrt{ {h}^{2} + \: {r}^{2} }$

$= > \sqrt{ {5}^{2}+{12}^{2} } cm \: = 13cm$

Volume of the cone = 1/3 *πr^2h

$= > \frac{1}{3} \pi \times {5}^{2} \times 12 {cm}^{3} = 100\pi {cm}^{3}$

therefore, the volume of the remaining solid

$= 300\pi {cm}^{3} - 100\pi {cm}^{3} \\ = 200 \times 3.14 {cm}^{3} = 628 {cm}^{3}$

Curved surface of the cylinder =

$2\pi \: rh \: = 2\pi \times 5 \times 12 {cm}^{2} \\ = 120\pi {cm}^{2} .$

$curved \: surface \: of \: the \: cone \: = \pi \: rl \\ = \pi \times 5 \times 13 {cm}^{2} \\ = 65\pi {cm }^{2} \\ area \: of \: (upper)circular \: base \: \\ of \: cylinder \: = \\ = \pi \: {r}^{2} = \pi \times {5}^{2}$

therefore, The whole surface area of the remaining solid

= curved surface area of cylinder + curved surface area of cone + area of (upper) circular base of cylinder

$= 120\pi {cm}^{2} + 65\pi {cm }^{2} + 25 \pi {cm}^{2} \\ = 210 \times 3.14 {cm}^{2} = 659.4 {cm}^{2}$

<h3>Hope it helps you!!</h3>

6 0

2 years ago