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natta225 [31]
4 years ago
15

Write 7 11/40 as a decimal and rounded to the nearest hundredth:)

Mathematics
1 answer:
Reika [66]4 years ago
6 0
7.275 hope this helps
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Given that Ax - 4x² + 3x² + 4 = (x² - 2x + 1)(2x² + B) + C(x-1) + D for all values of x, evaluate A, B, C and D. Hence, deduce t
Scrat [10]

SANA MAKATULONG

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5 0
3 years ago
Evaluate the expression when y=-3 <br><br> y^2-7y+6
Kaylis [27]

Answer:

36

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

Step-by-step explanation:

<u>Step 1: Define</u>

y² - 7y + 6

y = -3

<u>Step 2: Evaluate</u>

  1. Substitute in <em>y</em>:                    (-3)² - 7(-3) + 6
  2. Exponent:                            9 - 7(-3) + 6
  3. Multiply:                               9 + 21 + 6
  4. Add:                                     30 + 6
  5. Add:                                     36
6 0
3 years ago
Find the missing length of the triangle (I need a step by step answer please)
zhannawk [14.2K]

Answer:

c = 12.5

Step-by-step explanation:

This is a right triangle so we can use the Pythagorean theorem (a^2 + b^2 = c^2)

lets say 10 = a and 7.5 = b (this is because they are the legs of the triangle and variables a and b represent the legs of the triangle)

plug into the Pythagorean theorem.

10^2 + 7.5^2 = c^2

simplify (here you just square 10 and 7.5)

100 + 56.25 = c^2

simplify

156.25 = c^2

simplify

(here you get the square root of 156.25 and c^2, the positive square root of 156.25 is 12.5 and the square root of c^2 is c)

12.5 = c

4 0
3 years ago
Read 2 more answers
I need correct answer asap please:)​
andreyandreev [35.5K]

Answer:

J

Step-by-step explanation:

  • The answer is natural then whole integers and ratiinal
7 0
3 years ago
Read 2 more answers
Jaime has 5 over 11 spaceof a project completed while Tim has finished 7 over 13 spaceof the same project.
faust18 [17]

Answer:

a. Tim has completed a greater amount of work.

b. Together they have completed \frac{142}{143} part of two projects.

Step-by-step explanation:

Let us assume that the project on which Jaime and Tim are working has x amount of space.

Now, given that Jaime has 5 over 11 space of a project completed while Tim has finished 7 over 13 space of the same project.

Therefore, Jaime has completed \frac{5x}{11} amount of space and Tim has finished \frac{7x}{13} amount of space.

a. Now, (7x) \times 11 > (5x) \times 13

⇒ \frac{7x}{13} > \frac{5x}{11}

Therefore, Tim has completed the greater amount of work. (Answer)

b. Together they have completed (\frac{7x}{13} + \frac{5x}{11}) = \frac{(7 \times 11 + 5 \times 13)}{13 \times 11} x = \frac{142}{143}x amount of space out of 2x amount of space. (Answer)

4 0
3 years ago
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