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cestrela7 [59]
3 years ago
13

A, B & C form a triangle where Z BAC = 90°.

Mathematics
1 answer:
zhannawk [14.2K]3 years ago
8 0

Answer:

BC ≈ 8.6

Step-by-step explanation:

Using Pythagoras' identity in the right triangle , that is

BC² = AB² + AC² = 7.3² + 4.6² = 53.29 + 21.16 = 74.45 ( square root both sides )

BC = \sqrt{74.45} ≈ 8.6 ( to 1 dec. place )

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kakasveta [241]
(-24)+9=-15

(-15)-9=-24

n=-15
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3 years ago
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Mia uses 1/5 of a bag of gravel in the morning and 11/12 of a bag in the afternoon and how much gravel does she use in one day
wariber [46]

Answer:

She used 67/60 of a bag of gravel in one day.

Step-by-step explanation:

We must get a common denominator so we can add the two fractions.

Let's use 60!

1/5 = 12/60

11/12 = 55/60

Now we can add and get 67/60!

She used 67/60 of a bag of gravel in one day.

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3 years ago
Jerry is making a strawberry smoothie which statement about the recipe is true
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Step-by-step explanation:

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3 years ago
Dimensions of a Box A large plywood box has a volume of . Its length is ft greater than its height, and its width is ft less tha
cupoosta [38]

Answer:

Few things are missing, they are volume of the box is 180 feet cube. Length is 9 feet greater than its height, and weight is 4 feet less than its height.

Step-by-step explanation:

Given, the volume of the box, V = 180 feet cube

Let the height of the box, h = x feet

Therefore, length is, l = ( 9+x ) feet

And width is, b = ( x-4) feet

so volume of the box is

V = l x b x h

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$ x^3 +5x^2-36x -180 =0$

Factorizing we get

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x = -5, -6, 6

Now since the height of the box cannot be negative, so taking the positive value of x, we get

Height of the box, h = x = 6 feet

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Width , b = ( x-4) = 6-4 = 2 feet

8 0
3 years ago
Which is greater .15 or 0.15
Hitman42 [59]
They're the same. Hopefully this helps.
6 0
3 years ago
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