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Serhud [2]
4 years ago
5

(HELP ASAP PLEASE)

Mathematics
1 answer:
dlinn [17]4 years ago
8 0

Answer:

first number is 2, second number is 2

Step-by-step explanation:

If the first number is 'a' and second number is 'b'. We can use simultaneous equations

9a + 4b = 26

3a + 4b = 14

therefore by taking the second equation from the first

6a = 12

a = 2 (first number)

as a = 2

(3 x 2) + 4b = 14

6 + 4b = 14

4b = 8

b = 2 (second number)

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Please solve this steps by step<br>1) (-5) - 5 <br>2) (-10) + 11​
Mila [183]

Answer:

1) -10

2) 1

Step-by-step explanation:

1)  (-5) - 5

- Removing the brackets won't change anything since it is subtraction, so now it will be - 5-5 which is equal to -10.

-5 -5 = -10

2) (-10) + 11

- The same case applies here since it is addition.

-10 + 11 = 1

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3 years ago
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What is the simplest form of (9/10)squared 2
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The answer is 81/100
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In right triangle PQR, m∠Q = 90° and sin R=5/13
s2008m [1.1K]

Answer:

C

Step-by-step explanation:

Given

sinR = \frac{5}{13} = \frac{opposite}{hypotenuse}

This is a 5- 12- 13 triangle with legs PQ = 5, QR = 12, hypotenuse PR = 13

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5 0
3 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.

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The decimal between 4.1 and 4.3 is 4.2        Hope it helped   :)
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