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grin007 [14]
3 years ago
9

Answer?4a/5(10a-25b)

Mathematics
1 answer:
Westkost [7]3 years ago
8 0

Answer:

I believe when you simplify the expression you will get 8a^2 - 20ab. I believe this is the answer. If anything better comes up then please take it because im not sure. Hope I helped!


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In the figure below, the segment that appears to be tangent to the circle is tangent to the circle. Which of the following is th
maria [59]

Answer:

Step-by-step explanation:

Check attachment for diagram,

Since line AB is tangent to the circle then, <OAB is a right angle,

Then, we can apply Pythagoras theorem to the right angle triangle,

NOTE: from the centre of the circle to the tangent point at A is the radius of the circle,

And also, the total length of OB is

OB = r + 15

Then, applying Pythagorean theorem

OB² = OA² + AB²

(r+15)² = r² + 25²

(r+15)(r+15) = r² + 625

r² + 15r + 15r + 225 = r² + 625

Collect like terms

r² + 30r - r² = 625 - 225

30r = 400

Divide both sides by 30

r = 400 / 30

r = 13.33

So, the diameter of the circle is related to the radius by the relation

Diameter = 2 × radius

d = 2 × r

d = 2 × 13.33

d = 26.67

To the nearest tenth implies that to 1d•p

d ≈ 26.7

So, the diameter of the circle is 26.7

6 0
3 years ago
Please help me with this question!!!
Rasek [7]

The unit rate is $2.75

If you divide the cost by Movies/week you would always get $2.75

For example:

11÷4=2.75

13.75÷5=2.75

19.25÷7=2.75

22÷8=2.75

Hope this helps you :))

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3 years ago
10 1/6D=-19 2/5<br> INVERSE OPERATION
VARVARA [1.3K]

Answer:

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Step-by-step explanation:

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What is the answer to this question ?
nirvana33 [79]

Answer:

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Step-by-step explanation:

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Tamica is making a fruit salad. She spends $3.30 on 6 kiwis, $8.40 on 3 pounds of grapes and $8.54 for 7 bananas.
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Answer: how come you don't know the answer what grade are you in

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2 years ago
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