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aev [14]
3 years ago
13

Rachel filled al 155 shelved in the room with books she place 9 books on each shelf how books did she place on all 15 shelves

Mathematics
1 answer:
Cerrena [4.2K]3 years ago
3 0
155 shelves x 9 books per shelf = 1395 books in all
(I'm guessing you meant how many books did she place on all 155 shelves?)
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Please solve with working thankyou
Lisa [10]

Answer:

m∠y=72°

Step-by-step explanation:

<u><em>The question is</em></u>

Find the measure of angle y

step 1

Find the measure of angle x

see the attached figure to better understand the problem

we know that

m∠x=67° -----> by corresponding angles

step 2

Find the measure of angle y

we know that

(m∠x+m∠y)+42°=180° -----> because form a straight line

substitute the measure of angle x

67°+m∠y+42°=180

m∠y+108°=180

m∠y=180°-108°

m∠y=72°

4 0
2 years ago
Write an equation in standard form of a line that passes through (4, 2) and is parallel to y = - 3/4 * x - 5 .
Bingel [31]

Answer:

y=2x+y-int

Step-by-step explanation:

If the line is parallet to the defined by the given equation the slope of the unknown line is m=2.

Use this value of slope to calculate the y intercept. 2  = ( 2 - y-int)/4 - 0)

THus, your equation is y = 2x + y-int

5 0
2 years ago
-98 = 7t<br> What does t equal
pentagon [3]

Answer:

t = -14

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

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

Step-by-step explanation:

<u>Step 1: Define</u>

-98 = 7t

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

  1. Divide 7 on both sides:                    -14 = t
  2. Rewrite:                                             t = -14

<u>Step 3: Check</u>

<em>Plug in t into the original equation to verify it's a solution.</em>

  1. Substitute in <em>t</em>:                     -98 = 7(-14)
  2. Multiply:                               -98 = -98

Here we see that -98 is equal to -98.

∴ t = -14 is the solution to the equation.

8 0
3 years ago
Read 2 more answers
Please help 20 points to who ever can
mixer [17]

Answer:

how is your mom doing tell her last night was crazy :D

Step-by-step explanation:

7 0
3 years ago
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What is the value of the expression 2^2+6^2÷2^2​
Studentka2010 [4]

Answer:

13

Step-by-step explanation:

2^{2} + 6^{2} / 2^{2} = 4+ 36/4 = 4 +9 = 13

0r

4 + (6/2)^2 = 4+ 3^2 = 4+9 = 13

3 0
2 years ago
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