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Arturiano [62]
2 years ago
9

Need help with Pre college

Mathematics
1 answer:
Dmitry [639]2 years ago
3 0

Answer:

check online for more information

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The cruising speed of a certain airplane is approximately Mach 0.68, meaning 0.68 times the speed of sound. If the speed of
Nonamiya [84]
Tryna get to 100% sorry
5 0
3 years ago
Find the value of x.<br> 7<br> D<br> 3<br> B В<br> х<br> С<br> X =
bekas [8.4K]

Answer:

x = \sqrt{30}

Step-by-step explanation:

Using the Altitude- on- Hypotenuse theorem

(leg of Δ ABC )² = (part of hypotenuse below it ) × ( whole hypotenuse )

x² = 3 × (3 + 7) = 3 × 10 = 30 ( take the square root of both sides )

x = \sqrt{30}

7 0
3 years ago
Can someone help me :(
k0ka [10]

Answer:

x = 20

Step-by-step explanation:

19 < x < 25

x had to be higher than 19 but lower than 25

18 cant be the answer because it is less than 19

27 cant be the answer because it is higher than 25

that leaves 20, which is the right answer

19 < 20 < 25

4 0
2 years ago
The interior angle of a regular polygon is 4 times as large as the exterior angle.
Mrac [35]

Answer:

exterior angle = 36°

Step-by-step explanation:

In any polygon

exterior angle + interior angle = 180°

let x be the exterior angle then interior angle is 4x , then

x + 4x = 180

5x = 180 ( divide both sides by 5 )

x = 36

thus exterior angle = 36°

5 0
2 years ago
Todd is moving sand from his driveway to the backyard. The wheelbarrow weighs 30 kilograns ahen it is full of sand. When it is e
nignag [31]

Answer:

<u>6</u>

Step-by-step explanation:

<u>You divide 30 by five and you get 6 and then you mutiply 6 by 2 and you get 12 kilograms.</u>

<u>So, Todd filled and emptied the wheel barrow 6 times. </u>

<h2><em>Hope this helpes mark brainllest you welcome </em></h2><h2><em>have a great day! </em></h2><h2><em>:) </em></h2>
7 0
3 years ago
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