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Afina-wow [57]
3 years ago
11

suppose that A and B are points on the number line. if AB=14 and A lies at 9, where could B be located?

Mathematics
1 answer:
balandron [24]3 years ago
6 0
AB means A X B so you have to do 14 / 9 which is 1.5 or there abouts.
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Perimeter of a rectangle HELP!
alexdok [17]
All I can say is that your equation is wrong
3 0
3 years ago
If you built a model of the Empire State Building that is proportional to the real building. The height of the Empire State Buil
tangare [24]
Let’s see now, there are 600 inches in 50 feet.
12in = 1ft, 12in * 50 = 600.
Which means the model you’ll be making will be a 1:600 ratio model. If we find out how many inches are in 1,250 feet, and divide that number by 600, we will get our answer.
1,250 * 12 = 15,000.
So 1,250 feet equate to 15,000 inches. Now we must divide 15,000 by 600.
15,000 ÷ 600 = 25.
So your model will be 25 inches (or 2’1” [2 feet & 1 inch] tall).
7 0
3 years ago
Use rhombus ABCD and the given information to find each value.​
Semmy [17]

Answer: (c) 31    (d) 30     (e) 41     (f) 10

<u>Step-by-step explanation:</u>

NOTES about angles of a rhombus:

  1. diagonals are angle bisectors (cut the angle into 2 equal parts)
  2. diagonals are perpendicular to each other (90°)
  3. two adjacent triangles of a rhombus form an isosceles triangle

(c) Given: ∠CBD = 59°

    Per rule 2  →  ∠BEC = 90°

    Triangle Sum Theorem: sum of the angles of a triangle = 180°

∠CBD + ∠BEC  + ∠BCE = 180°

  59°  +    90°   + ∠BCE = 180°

       149°          + ∠BCE = 180°

                           ∠BCE =  31°

(d) Given:  ∠BCD = 120°

   Per rule 3  →   ∠CBD = ∠CDB

   Triangle Sum Theorem: sum of the angles of a triangle = 180°

∠CBD + ∠CDB  + ∠BCD = 180°

           2∠CBD  +   120°  = 180°

           2∠CBD                =  60°

             ∠CBD                =  30°

(e) Given: ∠AED = 2x+8

    Per rule 2  →  ∠AED = 90°

                            2x+8  = 90

                            2x      = 82

                              x      = 41

(f) Given: ∠BCE = 3x + 3  and   ∠ECD = 5x - 17

   Per rule 1   →    ∠BCE = ∠ECD

                           3x + 3 = 5x- 17

                                   3 = 2x - 17

                                 20 = 2x

                                  10 = x

4 0
3 years ago
I need help with this please help me
lozanna [386]
8/9 - 1/3 =
8/9 - 3/9 = 5/9
8 0
3 years ago
Read 2 more answers
I need help with prob #2 on this
Aleks [24]

Answer:

<em>x and y are not in direct variation.</em>

Step-by-step explanation:

<u>Direct Variation</u>

Two variables x and y have a direct proportion or variation if:

y = k.x

Where k is the factor of proportionality. The value of k must be constant for every ordered pair (x,y). If only one of them does not have the very same k, then the relationship is not direct.

The value of k can be solved from the equation:

\displastyle k=\frac{y}{x}

Let's substitute the given points in the table:

<em>(2,8)</em>

\displastyle k=\frac{8}{2}=4

k = 4

<em>(4,16)</em>

\displastyle k=\frac{16}{4}=4

k = 4

<em>(6,30)</em>

\displastyle k=\frac{30}{6}=5

k = 5

Since the value of k is not constant, then x and y are not in direct variation.

8 0
3 years ago
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