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denis-greek [22]
3 years ago
10

-8+ 8b = 16 8b+8=16 -8=-8 8b=8

Mathematics
1 answer:
e-lub [12.9K]3 years ago
7 0

b = 3 \\ b = 1 \\ 0 \\ b = 1
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Help me with 22 and 23
cricket20 [7]

22.

pythagorean theorem says legs a and b and hypotenuse c of a right triangle are related via the equation c²=a²+b². in other words, adding the sum of the squares of the legs get you the square of the hypotenuse

if the hypotenuse is 4 meters long, c = 4.

if one leg is 3 meters long, we can choose either a or b to be 3. it does not really matter. let us choose a = 3. now we have to find b.

if we have c²=a²+b², we can solve for b.

subtract a² both sides to get c²-a²=b², and then square root both sides to get

b = √(c²-a²)

plugging in our info we get

b = √(4²-3²) = √(16 -9) = √7

so the answer is √7 meters for 22


23

two triangles are similar, then the proportion of their sides are the same. the propotion between the smaller triangles' hypotenuse and 2cm leg is 5cm/3cm.

notice how the bigger triangle just have a doubled hypotenuse. therefore, the bigger triangle's x and y are just the corresponding smaller triangle values doubled.

x = 6 and y = 8

3 0
3 years ago
How do i answer 1-4?
Inga [223]
If you zoomed in i could've helped more. Bummer...
6 0
3 years ago
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What are the zeros of f(x) = x2 + 3x – 10?
Nady [450]
Step One
Factor f(x)
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Step Two
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x + 5 = 0
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x - 2 =0
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Step 3
Record the zeros
(-5,0) or (2,0) <<<<<< answer.
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it is under mapping and function

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A and C are the answers
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3 years ago
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