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GalinKa [24]
3 years ago
9

Which of the following statements is true?

Mathematics
2 answers:
Hitman42 [59]3 years ago
8 0
If my memory serves me well, the only wtatement which is true is the last one: <span>D) All linear equation and all quadratic equations are polynomial equations.</span>
Scrat [10]3 years ago
5 0

Answer:

D) All linear equation and all quadratic equations are polynomial equations.

Step-by-step explanation:

Before a few  weeks ago I got a packet with that question and I answered with D. I ended up with a 90% but I got that question right. Hope it helps :)

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The perimeter of an isosceles trapezoid is 28 in and the ratio of lengths of its bases is 5:3. Find the lengths of the sides of
Natalka [10]
The measurements are:
b₁ = 8.4 inches; b₂ = 14 inches; leg₁ = 2.8 inches; leg₂ = 2.8 inches

Let x = length of base and leg

The formula for perimeter of isosceles trapezoid is P = b₁ + b₂ + 2(leg)
Where: b = base

       P = b₁ + b₂ + 2(leg)
     28 = 3x + 5x + 2(x)
     28 = 8x + 2x
28/10 = 10x/10
    2.8 = x

Now, substitute the values:
       P = b₁ + b₂ + 2(leg)
     28 = 3(2.8) + 5(2.8) + 2(2.8)
     28 = 8.4 + 14 + 5.6
     28 = 28

Hence the measurements are:
b₁ = 8.4 inches; b₂ = 14 inches; leg₁ = 2.8 inches; leg₂ = 2.8 inches
8 0
3 years ago
What number will be multiplied to give -100 and be added to give 8​
andrew11 [14]

Answer:

-12.5

Step-by-step explanation:

Hope it helps u

FOLLOW MY ACCOUNT PLS PLS

6 0
2 years ago
Which rate is greatest
Elis [28]

Answer:

C. 800 miles per 16 hours

Step-by-step explanation:

600 ÷ 15 = 40

1500 ÷ 50 = 30

800 ÷ 16 = 50

900 ÷ 20 = 45

40 > 30 < 50 > 45

5 0
3 years ago
A circle is divided into three arcs of measures x 2x and 3x what’s the value of x
lidiya [134]

Answer:

60°

Step-by-step explanation:

This questions tests our knowledge on arcs and arc measures.

-Arc measure is the angle that an arc makes with the circle's center.

-The arc measure is proportional to the arc.

#The sum of the 3 arcs is x+2x+3x=6x

Given a circle has 360°, the arc measurement x can be calculated as:

[x+2x+3x]=360\textdegree\\\\6x=360\textdegree\\\\x=60\textdegree

Hence, the arc measurement x is 60°

8 0
3 years ago
Write an inequality and use substitution to solve the following problem:
nekit [7.7K]

They already spent $2000, and they only had $5100

Subtract

5100 - 2000 = 3100

$3,050 is your answer, because it is the only one that is less than 3100

hope this helps

7 0
3 years ago
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