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4 years ago

Please help with number 2 and 3

Mathematics

1 answer:

a_sh-v [17]4 years ago

3 0

The question 2 .
428×7.1=3038.8
-12+8=-4
3.4408÷0.092 =37.4
-18÷2=-9

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What best explains whether a triangle with side links 5 cm 13 cm and 12 cm is a right triangle

Lostsunrise [7]

Step-by-step explanation:

Pythagoras Theorem

If the sum of the squares of the smaller two sides is equal to the square if the third side then it is a right triangle

${a}^{2} + {b}^{2} = {c}^{2}$

So, (5)^2 + (12)^2

is 25 + 144 = 169

Which is equal to (13)^2 which is also 169

The sides of the given triangle follows pythagoras theorem, therefore it is a right triangle

Hope it helps:)

4 0

3 years ago

Read 2 more answers

HELP PLEASE!!!!!!!

professor190 [17]

Direction: Opens UpVertex: (−32,−174)(-32,-174)Focus: (−32,−4)(-32,-4)Axis of Symmetry: x=−32x=-32Directrix: y=−92

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3 years ago

Each side of a square is increasing at a rate of 3 cm/s. at what rate is the area of the square increasing when the area of the

deff fn [24]

The squares length is increasing by 5.33 cm/ s

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4 years ago

At Sam’s Warehouse, a member pays $25 a year for a membership, and then buys all products at the regular store prices. A non-mem

Alecsey [184]

Answer:

$y = 25 + x$ --- Members

$y = 1.05x$ --- Non-members

Step-by-step explanation:

Given

$x \to store\ price$

$y\to total\ amount$

Members

$Membership =\$25$

Non-members

$Rate = 5\%$ increase

For the members, the equation is:

$y = Membership + Store\ price$

$y = 25 + x$

For non-members, the equation is:

$y = Store\ price * (1 + Rate)$

$y = x * (1 + 5\%)$

$y = x * (1.05)$

$y = 1.05x$

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3 years ago

Find the four rational numbers between 2/3 and 5/6

Sav [38]

Answer:

Step-by-step explanation:

LCM of 3 and 6 = 6

2/3 = (2×2) / (3×2) = 4/6

4/6 = (4×5) / (6×5) = 20/30

5/6 = (5×5) / (6×5) = 25/30

Hence, 21/30, 22/30, 23/30 and 24/30 are four rational numbers between 2/3 and 5/6.

4 0

3 years ago