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madam [21]
3 years ago
12

Which statement is true?

Mathematics
1 answer:
valentina_108 [34]3 years ago
7 0
-12 + (-11) > 5 + (-29)
-12 - 11 > 5 - 29
-23 > - 24 (true)
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PLEASE HELPP ASAP ITS DUE IN 10 min AND I AM COMPLETELY STUCKK
likoan [24]

Answer:

40

Step-by-step explanation:

Ratio of cars to total:

32:80

so we can make another ratio with x

x:100

now make them fractions and cross-multiply

32/80 = x/100

32(100) = 80x

80x = 3200

x = 40

8 0
2 years ago
Read 2 more answers
A golfer needs to know how tall a tree is to chip a ball over the tree onto the green in a golf match. his caddie knows that he
Inga [223]
The height of the trre will be given by:
tan θ=(opposite)/(adjacent)

θ=52°
Adjacent= distance of the golfer to the tree= 10 ft
opposite = height, h, of the tree
thus
tan 52=h/10
hence solving for h we get:
h=10tan52
h=12.799~12.8 ft

7 0
3 years ago
Express f(x) in the form f(x) = (x - k)q(x) +r for the given value of k.
sineoko [7]

Answer:

f(x) = (x + 1)*(4*x² - 3*x + 4) - 12

Step-by-step explanation:

We have:

f(x) = 4*x³ + x² + x - 8

We want to write this in:

f(x) = (x - k)*q(x) + r.

with k = -1

Then we want to write:

4*x³ + x² + x - 8 = (x - (-1))*q(x) + r

4*x³ + x² + x - 8 = (x + 1)*q(x) + r

Because f(x) is polynomial of degree 3, we know that q(x) must be a polynomial of degree 2.

then:

q(x) = a*x² + b*x + c

Then:

4*x³ + x² + x - 8 = (x + 1)*(a*x² + b*x + c) + r

4*x³ + x² + x - 8 = a*x³ + b*x² + c*x   + a*x² + b*x + c + r

if we take common factors in the right side we get:

4*x³ + x² + x - 8 = a*x³ + (b + a)*x² + (c + b)*x + (c + r)

Now, we must have:

4*x³ = a*x³

then:

4 = a

We also must have:

x² = (b + a)*x²

1 = (b + 4)

1 - 4 = b

-3 = b

We also must have:

x = (c + b)*x

1 = (c + (-3))

1 + 3 = c

4 = c

And finally:

- 8 =  (c + r)

-8 = 4 + r

-8 - 4 = r

-12 = r

Then:

f(x) = (x + 1)*(4*x² - 3*x + 4) - 12

7 0
3 years ago
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Rufina [12.5K]

This is the fibonacci formula.

8 0
3 years ago
Ricardo spends 8/9 hour reading the newspaper . He spends 1/4 of the time reading the world news and splits the remaining time e
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The answer is 8/9-1/4=23/36 reading the comics
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