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4 years ago

7=62-b what would you do to find the value for b

2 answers:

5 0

Step 1- Subtract 62 from both sides
7 - 62 = -b
Step 2- Simplify 7 - 62 to -55
-55 = -b
Step 3- Multiply both sides by -1
55 = b
Step 4- Switch sides
b = 55
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Zina [86]4 years ago

4 0

7=62-b collect the like terms
7-62=-b
-55=-b divide both sides by negative
55=b

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An animal gained 5 kilograms steadily over 20 years. What is the unit rate of kilograms per year?

balandron [24]

The unit rate is 0.25 kilograms per year.

Step-by-step explanation:

Lets define unit rate first

Unit rate is the change in quantity per unit time.

Given

Weight = w = 5 kg

Time = t = 20 years

So,

$Unit\ rate = \frac{weight}{time}\\=\frac{w}{t}\\= \frac{5}{20}\\= 0.25$

Hence,

The unit rate is 0.25 kilograms per year.

Keywords: Unit rate, rate of change

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3 years ago

Solve for x:<br> 3/ X - 4 = 6/ X+1

Lina20 [59]

Answer:

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Step-by-step exp:

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3 years ago

In her piggy bank, caitlin has 5.24 dollars the sum is made up of an equal number of four coins from 1 cent, 5 cents, 10 cents,

Ludmilka [50]

Answer:

1c, 5c, 25c and 1 dollar

Step-by-step explanation:

With 4 coins of 1c : 4 cents

4 coins of 5c: 20 cents

4 coins of 25c: 1 dollar

4 coins of 1 dollar: 4 dollars

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3 0

3 years ago

Whats the Area of a circle with a radius of 2.6? use 3.141592654 for pie

damaskus [11]

Answer:

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Step-by-step explanation:

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3 years ago

Theorem: A line parallel to one side of a triangle divides the other two proportionately.

Elenna [48]

Answer:

Segment BF = 16 is true.

Step-by-step explanation:

Since, DE is parallel to BC, so DE will divide AB and AC proportionally.

Hence,

$\frac{AE}{EC} = \frac{AD}{DB}$

⇒ $\frac{12}{18} = \frac{6}{DB}$

{Since, given that AE = 12, EC = 18 and AD = 6}

⇒ BD = 9.

Again, since, EF is parallel to AB, so EF will divide BC and AC proportionally.

Hence, $\frac{CE}{AE} = \frac{FC}{BF}$

⇒ $\frac{18}{12} = \frac{24}{BF}$

{Since, given that AE = 12, EC = 18 and FC= 24}

⇒ BF = 16.

Therefore, segment BF = 16 is true. (Answer)

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3 years ago