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fomenos
3 years ago
6

How do we translate a statement into an inequality

Mathematics
1 answer:
ludmilkaskok [199]3 years ago
8 0
You look for certain key words. The expression "at least" means "greater than or equal to." The expression " is no more than" means "less than or equal to." A sum means an addition. A difference is a subtraction. There are many other words that you need to look out for and translate into math symbols.
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A conference will take place in a large hotel meeting room. The organizers of the conference have created a drawing for how to a
Tcecarenko [31]

Answer:

The actual length of the room is 40 feet

Step-by-step explanation:

Given

Scale = \frac{1}{2}\ inch : 12\ feet

Required

Determine the actual measurement of 3\frac{1}{3}\ inches

Represent the required actual measurement with x

i.e.

3\frac{1}{3}\ inches : x

And we have:

\frac{1}{2}\ inch : 12\ feet

3\frac{1}{3}\ inches : x

Cross Multiply

x * \frac{1}{2} = 12 * 3\frac{1}{3}

Convert fraction to improper fraction

x * \frac{1}{2} = 12 *\frac{10}{3}

\frac{x}{2} = \frac{120}{3}

\frac{x}{2} = 40

Multiply both sides by 2

x = 40 * 2

x = 80\ feet

<em>The actual length of the room is 40 feet</em>

8 0
3 years ago
Explain why 0.4×10=4<br><br> helpppppppppppppp meeee
Anton [14]
4/10= 0.4

So if 0.4x10=4, That means that 4. Is 4/10 of 10.
6 0
3 years ago
consider the point A= (1,2) and the line B, given by the equation y=3x-5. write an equation in slope intercept of the line passi
Gre4nikov [31]

Answer:

y = 3x - 1

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = 3x - 5 ← is in slope- intercept form

with slope m = 3

Parallel lines have equal slopes, thus

y = 3x + c ← is the partial equation of the parallel line

To find c substitute (1, 2) into the partial equation

2 = 3 + c ⇒ c = 2 - 3 = - 1

y = 3x - 1 ← equation of parallel line

5 0
3 years ago
Triangle XYZ was dilated by a scale factor of 2 to create triangle ACB and sin ∠X = 5 over 5 and 59 hundredths.
Vikentia [17]

The relationship between Traingle XYZ and ACB is that they are similar triangles. tanX = tanA = 5 over 2 and 5 tenths, where

  • AC = 2 x  XY
  • CB = 2 x  YZ

<h3>What is the dilation about?</h3>

Triangle XYZ was dilated by a scale factor of 2 to create triangle ACB, hence XYZ and ACB are similar triangles.

Angles Y and C are said to measure 90 degrees, and angles A and X are known to be congruent. Thus:

tanX = tanA = 5 over 2 and 5 tenths

AC = 2 x  XY

CB = 2 x  YZ

Another way to solve for it is by:

Note that Dilation of the triangle ΔXYZ was by a factor of "2".

Since m∠Y = m∠C = 90º   - given

ΔXYZ and ΔACB are said to be right triangles.

Since ∠X ≅ ∠A   - given

Then ∠X and ∠Z are  said to becomplementary angles

Since m∠Z = 90° - m∠X   -- given

Then ∠A and ∠B are said to be complementary angles

Since m∠B = 90° - m∠A  --- given

Then, ∠Z ≅ ∠B

Therefore ΔXYZ ∼ ΔACB are  similar triangles because it has its corresponding sides to be proportional and its corresponding angles to be congruent.

Note:

sin ∠X = 5/5.59

sin ∠X = YZ/XY

YZ = 5  seen in ΔXYZ

XZ = 5.59 seen in hypotenuse of ΔXYZ

Then one need to Calculate the length of one aspect of XY:

XY = √((5.59)2 - 52)

= 2.4996

Note CB/YZ = 2

CD = 2*YZ = 2 x 5

= 10

AC/XY = 2

AC = 2* XY

= 2 x 2.4996

= 4.999

Learn more about dilation from:

brainly.com/question/27517432

#SPJ1

7 0
2 years ago
Direction: Arrange the following numbers in decreasing order. Write your answer on the blank provided below each number.
rjkz [21]

Answer:

1. 100 000, 89 000, 67 000, 55 000

2. 45 678, 34 567, 23 456, 12 345

3. 98 765, 87 654, 76 543, 65 432-

7 0
3 years ago
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