3 years ago

How does metric conversion work

1 answer:

6 0

You can convert between the various different sizes by merely moving the decimal point the correct number of places. The basic metric units are meters (for length), grams (for mass or weight), and liters (for volume).

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Eugene wants to buy jeans at a store that is offering a $10 discount on every item. The tag on the jeans is marked 50% off. The

kifflom [539]

A. $14.99 .. do $49.98/2 = $24.99 and then subtract $10.
B. $19.99 .. do $49.98-19 = $39.98 and then divide it by 2.

3 0

3 years ago

jennifer is collecting money to buy a new cd. the cd cost $14.00 . if she has $8.00 how much more money does she need

Lina20 [59]

Answer:

$6 more

Step-by-step explanation:

14 - 8 = 6 so she needs $6 more

5 0

3 years ago

Make x the subject, fully simplify please<br>will mark brainliest <br><br>7y⁴= 7y²(z-3ax)

tekilochka [14]

Answer:

$x = \dfrac{z - y^2}{3a}$

Step-by-step explanation:

7y⁴ = 7y²(z - 3ax)

Divide both sides by 7y².

y² = z - 3ax

Add 3ax to both sides. Subtract y² from both sides.

3ax = z - y²

Divide both sides by 3a.

$x = \dfrac{z - y^2}{3a}$

5 0

3 years ago

Solve 110 = 10p. <br><br> p = 12 <br><br> p = 100 <br><br> p = 120 <br><br> p = 11

Temka [501]

You would need to divide both sides by 10.
110=10p
11=p

6 0

4 years ago

Cylinder A has radius r and height h as shown in the diagram. Cylinder B has radius 4r and height 4h. How many times greater is

svetlana [45]

Answer:

The surface area of Cylinder B is 16 times the surface area of Cylinder A

Step-by-step explanation:

<u>Note</u>: <em>It is assumed we are looking at the total surface area (but the answer would be same for both cases)</em>

<h3>Given</h3>

Cylinders A with radius - r, height - h,
Cylinder B with radius - 4r, height - 4h.

The ratio of total surface areas of cylinder B to A

<h3>Solution</h3>

Total surface area of cylinder A is:

$S_A = 2\pi r(h + r)$

Total surface area of cylinder B is:

$S_B = 2\pi(4r)(4r + 4h) = 8\pi(4)(r + h) = 32\pi(r + h)$

Find the ratio of areas:

$\cfrac{S_B}{S_A} =\cfrac{32\pi(r+h)}{2\pi(r+h)} =16$

3 0

3 years ago