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Sergeeva-Olga [200]
3 years ago
12

How are a parallelogram and a trapezoid different? A. A trapezoid has only 1 pair of parallel sides, but a parallelogram has 2.

B. A parallelogram has 4 right angles, but a trapezoid doesn't need to have 4 right angles. C. A parallelogram has only 1 pair of parallel sides, but a trapezoid has 2. D. A trapezoid has 4 right angles, but a parallelogram doesn't need to have 4 right angles.
Mathematics
1 answer:
Mila [183]3 years ago
6 0

Answer:

the answer is A

Step-by-step explanation:

because a parallelogram has 4 parallel sides

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Answer: -10 + 144

Step-by-step explanation:

Subtract alike terms (2x -12x) since the 144 does not have a variable you cannot subtract it

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X/2 ≥ -4 <br> a.x ≥ -2 <br> b. x ≤ -2 <br> c. x ≤ -8 <br> d. x ≥ -8
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D is the correct ans
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5.) x + 3y = 21<br> - 4x + y = 0
just olya [345]
<h2>(x, y) = (21/13 , 84/13)</h2>

Step-by-step explanation:

x + 3y = 21

- 4x + y = 0

y = 4x

<h2>_____________</h2>

x + 3y = 21

x + 3(4x) = 21

x + 12x = 21

13x = 21

x = 21/13

y = 4x

y = 4 (21/13)

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3 years ago
40Points? CORRECT answer please
irina [24]

Answer:

<h2>f(-2) = 12.5</h2>

Step-by-step explanation:

f(t)=2(0.4)^t

f(-2) → put t = -2 to the equation of the function:

f(-2)=2(0.4)^{-2}=2\left(\dfrac{4}{10}\right)^{-2}=2\left(\dfrac{2}{5}\right)^{-2}

Use a^{-n}=\left(\dfrac{1}{a}\right)^n

f(-2)=2\left(\dfrac{5}{2}\right)^2=2\left(\dfrac{25}{4}\right)=\dfrac{25}{2}=12.5

3 0
3 years ago
On last week's climb, each climber carried a pack that was 28% of his or her body weight. One climber weighed 78 pounds. What wa
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<h3><u>Solution</u> : </h3>

weight of bag :

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3 years ago
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