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hjlf
3 years ago
8

Create an equivalent expression for 4t-18-t+2t+20

Mathematics
2 answers:
alexandr1967 [171]3 years ago
6 0

Answer:

5t + 2

General Formulas and Concepts:

<u>Algebra I</u>

  • Combining Like Terms

Step-by-step explanation:

<u>Step 1: Define Expression</u>

4t - 18 - t + 2t + 20

<u>Step 2: Simplify</u>

  1. Combine like terms (t):                    5t - 18 + 20
  2. Combine like terms (Z):                   5t + 2
Taya2010 [7]3 years ago
6 0

Answer:

5 t + 2

That's the answer

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Find x when y = 32, given that x varies inversely as y, and x = 132 when y = 4.
gizmo_the_mogwai [7]

Answer:

When y=32, x=16.5

Step-by-step explanation:

Find x when y = 32, given that x varies inversely as y, and x = 132 when y = 4.

We are given:

x varies inversely with y

We can write it as: x\:\alpha \:\frac{1}{y}

x=\frac{k}{y}

We have x = 132, when y=4

We can find value of k by using these values

x=\frac{k}{y}\\132=\frac{k}{4}\\k=132*4\\k=528

We need to find x when y=32

x=\frac{k}{y}\\x=\frac{528}{32}\\x=16.5

So, when y=32, x=16.5

6 0
3 years ago
A box has dimensions of 4.0 cm by 8.5 cm by 2.0 cm. The volume of the box in mL is:
telo118 [61]
Answer: 68 mL

Step 1: Write volume formula

The formula for volume is often abbreviated into V=l×w×h. This stands for volume= length×width×height.

Step 2: Substitute numbers for answer in cm

To get the answer in cm, simply substitute the numbers into the equation. Then, you may simply multiple them to solve.
V=4.0 cm×8.5 cm×2.0 cm
V= 68 cm

Step 3: Add cubed symbol

Since this is referring to volume, you will need to add the cubed symbol to the end of your answer. This will appear as a number 3 above the cm on the right side.

Step 4: Convert to mL

This is a simple step once you understand the formula to convert. Luckily for us, cm cubed (cm3)= 1 mL. Because of this, the answer will remain as 68 mL


Hope this is right and it helps you!

7 0
3 years ago
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