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Varvara68 [4.7K]
3 years ago
5

Landen spent LL hours at the beach last weekend. Matéo spent 15\%15% fewer hours at the beach than Landen did.

Mathematics
1 answer:
horrorfan [7]3 years ago
3 0

Answer: B, D, and E

0.85L

or

L-0.15L

or

L(1-0.15)

or

L - \frac{15}{100}L

L - \frac{3}{20}L

Step-by-step explanation:

L is the number of hours Landen spent at the beach. Mateo spent 15% less time. This means he spent 85% of it. So 0.85 times L. We can also calculate it by subtracting the difference between the two kids. - 15%. 15% is 0.15L or \frac{15}{100}L. We subtract by L-0.15L or as L - \frac{15}{100}L. This fraction can simplify to L - \frac{3}{20}L

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120 is the same as 394 fewer than Z
SpyIntel [72]

Answer:

z=514

Step-by-step explanation:

120=z-394

+394. +394

514=z

Hope this helps

8 0
3 years ago
If f(X)=2x-1/2x+5’<br> Findf (-3)
ankoles [38]

Answer:

0.5.

Step-by-step explanation:

Substitute x = -3 into the guiven function:

= 2(-3) - 1/2(-3) + 5

= -6 + 1.5 + 5

= -4.5 + 5

= 0.5

7 0
2 years ago
Helpppp please I don’t know how to do this
alina1380 [7]

Answer:

positive

Step-by-step explanation:

From the number line

x>0  so it is positive

y <0  so it is negative

xy = positive * negative

    = negative

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3 0
3 years ago
Read 2 more answers
Which set of values could be from a direct proportion
mr Goodwill [35]

Answer:

First table

Step-by-step explanation:

We have to find the set of value which could be from a direct proportion.

We know that

Direct proportion :

When x is directly proportional to y

x\propto y

x=ky

Where k=Proportionality constant

k=\frac{x}{y}

K remain constant when x and y are in direct proportion

From first table

k=\frac{\frac{1}{2}}{6}=\frac{1}{12}

k=\frac{1}{12}

k=\frac{2}{24}=\frac{1}{12}

K=\frac{3}{36}=\frac{1}{12}

When x and y are both varies then ratio of x and y remain constant.Hence, it is in direct proportion.

From second table

k=\frac{0}{0}= not ]define

k=\frac{1}{1}=1

It is not direct proportion because k does not remain constant.

From third table

k=\frac{0}{2}=0

k=\frac{2}{4}=\frac{1}{2}

It is not direct proportion because k does not remain constant.

3 0
3 years ago
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Use the graph to find the indicated function value y=f(x). Find f(-2)
spin [16.1K]

Answer:

f(-2)=3

Step-by-step explanation:

we know that

f(-2) is the value of the function f(x) for the value of x equal to -2

so

Observing the graph

For x=-2

f(-2)=3

7 0
2 years ago
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