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harkovskaia [24]
3 years ago
15

Is 2x + y= -1 in standard form

Mathematics
1 answer:
Tanzania [10]3 years ago
5 0
Yes, it is. Standard form is Ax + By = C. Hope this helps!
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Find the perimeter of this triangle ????
garri49 [273]

Answer:

6 by 8 or ( -4. 4)

Step-by-step explanation:

because that the answer

7 0
3 years ago
Got another easy question to do. Will give, Branliest.<br><br>Thanks, <br>:) ​
elena55 [62]

Answer: 360g

120 --> 10

  x   ---> 30

120*30=10*x

3600= 10*x

x= 3600/10

x= 360

Matthew needs 360g of flour

5 0
3 years ago
Read 2 more answers
What is the value of x to the nearest<br> tenth?
Colt1911 [192]

Answer:

C. 17.6

General Formulas and Concepts:

<u>Math</u>

  • Rounding

<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
  • Subtraction Property of Equality<u> </u>

<u>Trigonometry</u>

  • [Right Triangles Only] SOHCAHTOA
  • [Right Triangles Only] tanθ = opposite over adjacent

Step-by-step explanation:

<u>Step 1: Identify Variables</u>

Angle θ = 40°

Opposite Leg = <em>x</em>

Adjacent Leg = 21

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

  1. Substitute in variables [tangent]:                                                                   \displaystyle tan(40^\circ) = \frac{x}{21}
  2. [Multiplication Property of Equality] Isolate <em>x</em>:                                                \displaystyle 21tan(40^\circ) = x
  3. Rewrite:                                                                                                           \displaystyle x = 21tan(40^\circ)
  4. Evaluate:                                                                                                          \displaystyle x = 17.6211
  5. Round:                                                                                                            \displaystyle x \approx 17.6
6 0
2 years ago
Read 2 more answers
which of the following is a point slope equation of a line with the point (-6,2) and a slope of 1/2?
wariber [46]

Answer:

y - 2 = 1/2(x + 6)

General Formulas and Concepts:

<u>Algebra I</u>

Point-Slope Form: y - y₁ = m(x - x₁)

  • x₁ - x coordinate
  • y₁ - y coordinate
  • m - slope<u> </u>

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

Point (-6, 2)

Slope <em>m</em> = 1/2

<u>Step 2: Find</u>

  1. Substitute in variables [Point-Slope Form]:                                                     y - 2 = 1/2(x - -6)
  2. Simplify:                                                                                                             y - 2 = 1/2(x + 6)
3 0
2 years ago
A = {1, 3, 5, 7, 9}
lutik1710 [3]

The upside down U means the numbers the sets have in common.

Do what is in parenthesis first:

(B ∩ C) = 6 is the only common number in set B and Set C.

A ∩ (B ∩ C) = Would be all the numbers in A plus the number 6 from (B ∩ C).

The answer would be A) {1, 3, 5, 6, 7, 9}

8 0
3 years ago
Read 2 more answers
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