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muminat
3 years ago
7

Are these answers correct if not

Mathematics
1 answer:
iren2701 [21]3 years ago
8 0

1. <u>Correct</u>

2. <u>Incorrect</u>, answer is x ≤ -4.25   This is because the line goes to the left so it is less than or equal to.

3. <u>Incorrect</u>, the answer is the choice at the top, because it is greater than, it goes to the right and has a empty circle.

4. <u>Incorrect</u>, the answer is the choice at the bottom cuz it is greater than or equal to so the line goes to the right and the circle is filled in.

Hope that helps u!!

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If the discriminant of a quadratic equation is equal to -8, which statement describes the roots?
tia_tia [17]

Answer:

There are two complex roots.

Step-by-step explanation:

When the discriminant is a negative number, the parabola will not intersect the x-axis. This means that there are no solutions/two complex solutions.

4 0
3 years ago
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A = 1249.5 mm²

Step-by-step explanation:

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The difference in ages between a father and a son is 35. The sum is
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7 0
3 years ago
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The army bus has 12 seats on one side. Two soldiers can sit in each seat. If five seats are reserved for equipment, how many bus
marissa [1.9K]

Answer:

<u>80 buses</u> will be required for 1120 soldiers.

Step-by-step explanation:

Given:

Number of seats on One side = 12 seats.

Now Given:

five seats are reserved for equipment.

So we can say that;

Number of seats used by soldiers = 12-5=7\ seats

Number of soldiers on Each seat =2

So we will now find number of soldiers on each bus.

number of soldiers on each bus is equal to Number of seats used by soldiers multiplied by Number of soldiers on Each seat.

framing in equation form we get;

number of soldiers on each bus = 7\times2 = 14\ soldiers

Now we know that;

For 14 soldiers = 1 bus

So 1120 soldiers = Number of buses required for 1120 soldiers.

By Using Unitary method we get;

Number of buses required for 1120 soldiers = \frac{1120}{14} =80

Hence <u>80 buses</u> will be required for 1120 soldiers.

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3 years ago
For each decimal in the table find an equivalent fraction in the box. Use the fractions in the item bank.
Juli2301 [7.4K]

Answer:

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Step-by-step explanation:

Hope this helps! Mark me and brainliest if it does!

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