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2 years ago

11

Jessica is a custodian at Arco Arena she waxes 20m squared of the floor in 3/5 of an hour Jessica waxes the floor at a constant

rate

1 answer:

Bad White [126]2 years ago

5 0

Bc she said no I I j I j he hbu hdb 454 u.

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In ΔWXY, the measure of ∠Y=90°, XW = 85, WY = 77, and YX = 36. What is the value of the cosine of ∠W to the nearest hundredth?

tankabanditka [31]

Answer:

0.91

Step-by-step explanation:

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2 years ago

PLZ HELP ANSWER BY TODAY

Ivahew [28]

X = 29

Explanation:

Rigt angle means 90°

Here 2x + 32 = 90

so, 2x = 90 - 32

2x = 58

x = 58÷2

x = 29

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2 years ago

|-16| + |-12| =

bagirrra123 [75]

The |...| means absolute value meaning everything inside is a positive number. The first problem is 16+12= 28. |-5|= 5

4 0

3 years ago

HELP ME ANYONE ANYONE PLEASEEEEE I BEG FOR LOVE OF JESUS

soldi70 [24.7K]

Answer:

b. -84

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Multiplication Property of Equality
Division Property of Equality
Addition Property of Equality
Subtract Property of Equality

<u>Algebra I</u>

Terms/Coefficients

Step-by-step explanation:

<u>Step 1: Define</u>

<u /> $\displaystyle \frac{a}{-7} - 7 = 5$ <u />

<u />

<u>Step 2: Solve for </u><em><u>a</u></em>

Addition Property of Equality: $\displaystyle \frac{a}{-7} - 7 + 7 = 5 + 7$
[Simplify] Add: $\displaystyle \frac{a}{-7}= 12$
Multiplication Property of Equality: $\displaystyle -7 \cdot \frac{a}{-7} = 12 \cdot -7$
[Simplify] Multiply: $\displaystyle a = -84$

<u>Step 3: Check</u>

<em>Plug in a into the original equation to verify it's a solution.</em>

Substitute in <em>a</em>: $\displaystyle \frac{-84}{-7} - 7 = 5$
[Frac] Divide: $\displaystyle 12 - 7 = 5$
Subtract: $\displaystyle 5 = 5$

Here we see that 5 does indeed equal 5.

∴ a = -84 is the solution to the equation.

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2 years ago

9) EASY POINTS WILL GIVE BRAINLIST TO BEST ANSWERS

ra1l [238]

You bought a magazine for $5 and four erasers. you spent a total of $25.

Magazine cost: 5$ each
Eraser cost: X$ each

Total cost is the number of items (1 magazine) times the cost of each item (5$). We don't know the cost of each eraser, so we represent that using a variable, X.

1(5) + 4(X) = 25

5 + 4X = 25

subtract 5 from both sides

4X = 25 - 5

4X = 20

divide both sides by 4

X = 20/4

X = 5

Each eraser cost 5$

3 0

1 year ago

Read 2 more answers