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natima [27]
3 years ago
7

Help me i need this homework for today pls my peeps

Mathematics
2 answers:
pogonyaev3 years ago
7 0

Answer:

3x-5=7 is x = 4

Step-by-step explanation:

Add 5 to both sides of the equation

3x-5+5=7+5

Simplify

3x=12

Divide both sides of the equation by the same factor

3x over 3 = 12 over 3

Simplify

x=4

navik [9.2K]3 years ago
4 0
X = 4 because 3 times 4 equals 12 and 12 minus 5 equals 7
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Decimal: .65 Fraction: 65/100

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The perimeter of a rectangular field is 372 yards. If the width of the field is 87 yards, what is its length?__yards
worty [1.4K]

ANSWER

The length of the rectangular field is 99 yards

EXPLANATION

Given information

The perimeter of a rectangle field is 372 yards

The width of the field is 87 yards

To find the length of the rectangular field, follow the steps below

Step 1: Write the formula for finding the perimeter of a rectangular field

\begin{gathered} \text{ The perimeter of a rectangular field = 2\lparen l + w\rparen} \\ \text{ where l =length, and w = width} \end{gathered}

Step 2: Substitute the given data into the formula in step 1

\begin{gathered} \text{ Perimeter = 2 \lparen l + w\rparen} \\ \text{ Perimeter = 372 yards} \\ \text{ width = 87 yards} \\ \text{  372 = 2\lparen l + 87\rparen} \\ \text{ Divide both sides by 2} \\ \text{ }\frac{372}{2}\text{ = }\frac{2}{2}(l\text{ + 87\rparen} \\ 186\text{ = l + 87} \\ \text{  subtract 87 from each sides of the equation} \\ \text{ 186 - 87 = l + 87 - 87} \\ \text{  99 = l} \\ l\text{ = 99 yards} \end{gathered}

Hence, the length of the rectangular field is 99 yards

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1 year ago
You invest $1000 in a 5-year savings bond that pays 8% annual interest on the principal. How much total interest will you have e
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How do you find an exponential function given the points are (0,13) and (2,325)
slava [35]

Answer:

y = 13(5)^{x}

Step-by-step explanation:

An exponential function has the form

y = a b^{x}

To find a and b use the given points

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