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hodyreva [135]
3 years ago
12

What is 2,457,310 rounded to the nearest thousand​

Mathematics
2 answers:
SIZIF [17.4K]3 years ago
3 0

Answer:

2,457

Step-by-step explanation:

The thousands place is when you move four spaces to the left starting from the first number. In this case, that number was seven, and to round, you need to round it up or down depending if the number to the left of the 4th number is greater or less than 5. In this case, that number was 3, so that 3 and the rest of the remaining numbers turn into 0's, making the rounded number 2,457.

I hope this information was of any use to you.

IrinaVladis [17]3 years ago
3 0

Answer:

2,457,000

Hope that this helps!

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Two mechanics Worked on a car The first mechanic charge $55 per hour The second mechanic charge $80 per hour the mechanics work
Tems11 [23]

a = hours worked by the first mechanic

b = hours worked by the second mechanic.

since the first mechanic charges $55 per hour, then for "a" hours that'd be a total of 55*a or 55a, likewise, for the second mechanic that'd be a total charge of 80*b or 80b.

we know all hours combined are 15, so then a + b = 15.

we also know that all charges combined are $950, so 55a + 80b = 950.

\bf \begin{cases} a+b=15\\ \boxed{b}=15-a\\ \cline{1-1} 55a+80b=950 \end{cases}\qquad \qquad \stackrel{\textit{substituting on the 2nd equation}}{55a+80\left( \boxed{15-a} \right)=950} \\\\\\ 55a+1200-80a=950\implies -25a+1200=950\implies -25a=-250 \\\\\\ a=\cfrac{-250}{-25}\implies \blacktriangleright a = 10\blacktriangleleft \\\\\\ \stackrel{\textit{since we know that}}{b=15-a\implies }b=15-10\implies \blacktriangleright b=5 \blacktriangleleft

5 0
3 years ago
Bine like terms.<br> 7 – 64 – 5x3 – 1 + x3 – 7 – 2y<br> PLS HURRY
navik [9.2K]

Answer:

-4x³ - 8y - 1

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<u> </u>

<u>Algebra I</u>

  • Terms/Coefficients

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

7 - 6y - 5x³ - 1 + x³ - 7 - 2y

<u>Step 2: Simplify</u>

  1. [Addition] Combine like terms (x³):                                                                  -4x³ + 7 - 6y - 1 - 7 - 2y
  2. [Subtraction] Combine like terms (y):                                                              -4x³ - 8y + 7 - 1 - 7
  3. [Subtraction] Combine like terms:                                                                   -4x³ - 8y - 1
6 0
3 years ago
Which of thse numbers 516090,221640,814550 are divisible byy 4
Nikolay [14]
Answer:

221640

Work:
516090/4 -129,022.5
221640/4-55,410
814550/4- 203,647.5
3 0
3 years ago
Nick gets out of school at two for 2:25 PM he has a 15 minute ride home on the bus next he goes on a 30 minute bike ride then he
Pavlova-9 [17]
Nick finishes his homework at 4:45pm (in the afternoon)
4 0
3 years ago
Read 2 more answers
What is the degree of...?
alukav5142 [94]

Answer:

D 6

Step-by-step explanation:

note that (f ○ g)(x) = f(g(x))

To evaluate f(g(x)) substitute x = g(x) into f(x)

f(g(x)) = f(4x³ + 1)

= 3(4x³ + 1)²

= 3(16x^{6} + 8x³ + 1)

= 48x^{6} + 24x³ + 3 ← polynomial of degree 6

The degree of a polynomial is the value of the largest exponent, that is 6


7 0
3 years ago
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