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Lady bird [3.3K]
4 years ago
13

Evaluate 9 + 12 ÷ 3 – 1 · 4 + 2 using the correct order of operations.

Mathematics
2 answers:
7nadin3 [17]4 years ago
7 0
Do PEMDAS

9 + (12/3) - (1 x 4) + 2

9 + 4 - 4 + 2

Then go from left to right

9 + 4 = 13 - 4 = 9 + 2 = 11

11 is your answer

hope this helps
Pie4 years ago
4 0
Use P(parenthesis)E(exponents)MD(multiplication+division)AS(addition and subtraction
Always go left to right when solving
First, do 12/3
9+4-1*4+2
Next multiply -1*4
9 + 4 - 4 + 2
Next 9+4
13 - 4 + 2
Next 13-4
 9 + 2
Last step
Your answer is 11
Hope this helps!


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Bradley is returning home from a place that is 2 kilometers away. The function y = 2,000 − 90x represents Bradley's distance fro
GenaCL600 [577]

Answer:

  • The function is a linear function.
  • The function changes at a constant rate.

Step-by-step explanation:

The degree of x is 1, so the function is a linear function.

The coefficient of x is -90, a constant rate of change that is negative, so the function is <em>decreasing</em>.

3 0
3 years ago
The radius of a circle is 9in. Find it’s circumference in terms of
Lady bird [3.3K]

{ \bf{ \underbrace{Given :}}}

Radius of the circle "r" = 9 in.

{ \bf{ \underbrace{To\:find:}}}

The circumference of the circle.

{ \bf{ \underbrace{Solution :}}}

\sf\orange{The\:circumference \:of\:the\:circle\:is\:56.52\:in.}

\large\mathfrak{{\pmb{\underline{\red{Step-by-step\:explanation}}{\red{:}}}}}

We know that,

\sf\purple{Circumference\:of\:a\:circle \:=\:2πr }

= 2 \times 3.14 \times 9 \: in \\ \\   = 56.52 \: in

Therefore, the circumference of the circle is 56.52 in.

\huge{\textbf{\textsf{{\orange{My}}{\blue{st}}{\pink{iq}}{\purple{ue}}{\red{35}}{\green{♡}}}}}

3 0
3 years ago
Solve for letter
Dennis_Churaev [7]

Answer:

5 = 6у; y = 5/6

5/3 + x = 2; x = 1/3

0.5x = 14; x =28

7/2 = 4x; x = 7/8

5/6x = 20; x = 24

9 = 4y; y =9/4

7 0
3 years ago
The angle measures 22°, 62°, 118°, and 158° are written on slips of paper. You choose two slips of paper at random.
mylen [45]
Answer: 1/3

There are C(4,2) = 6 ways to choose a pair of numbers.  Only 2 of those pairs are supplementary measures {22, 158} and {62, 118}. The probability is 2/6 = 1/3.


3 0
3 years ago
Write and solve an inequality to fit each phrase; the product of -7 and a number is no more than 77
erastovalidia [21]

Answer:

<em>- 7n ≤ 77</em>

Step-by-step explanation:

<em>- 7n ≤ 77</em>

n ≥ - 11

7 0
3 years ago
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