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7nadin3 [17]
2 years ago
6

Ava takes guitar lessons. The lessons cost $90 each month. She has 4 lessons per

Mathematics
1 answer:
nevsk [136]2 years ago
7 0

Answer:

Its D (22.50)

Step-by-step explanation:

90÷4=22.50.

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Jasmine bought a pennant (triangle) of the favorite baseball team. If the base is 16 inches and height is 24 inches, how much ar
KATRIN_1 [288]
D. 192in^2

This would be a simple area problem with a triangle. REMEMBER THIS EQUATION: a=bh*1/2 (b for base and h for height, these are multiplied together then that answer is halved out.)

So we just need to plug in our values into the equation, so the equation would look like a= (16)*(24)*1/2. 16 times 24 would then give you 384, you could either divide by 2 or multiply by 0.5 to get the next answer, as long as your HALVING the answer.

So we have our bh value so now we can multiply by 1/2 which will give us 384*1/2 which leaves us with 192.

I have also attached a photo of doing a longer(ish) way than this, that also proves that this equation works. Either one will provide you an answer.

6 0
3 years ago
Solve for x. Enter the solutions from least to greatest.<br> x2 – X – 12 = 0
Artemon [7]

Answer:

x=-3,4

Step-by-step explanation:

Factorise in order to reveal factors.

x^2-x-12=0\\(x-4)(x+3)=0

8 0
3 years ago
You guessed the height of the building to be 23 feet, but it was actually 35 feet. What was your percent error? Round to the nea
marin [14]
The percent error is 34.28 %.
Hope this helps! Be safe out there.
8 0
3 years ago
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3. If a ladder is x feet long, how high up a wall can it safely reach?
sineoko [7]

Answer:

xsin∅

Step-by-step explanation:

If the ladder is <em>x foot long</em>, and it can safely make a <em>maximum angle ∅</em>  with the floor, then, the maximum height it can reach will be xsin∅

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3 years ago
John runs 15 miles in 3 hours. How many miles can John run per hour?
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He can run 5 miles per hour
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