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yanalaym [24]
3 years ago
5

25 POINTS!!!!!!!!!! Evaluate log7 343. A. 49 B. 3 C. −3 D. −49

Mathematics
2 answers:
My name is Ann [436]3 years ago
7 0
B. you would imput this into a calculator as log(7*343) and you would get aproxiametly 3.38
BlackZzzverrR [31]3 years ago
5 0
<span>The answer to this problem is 3.      3^7 is equal to 343.</span>
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HELP ASAP!!!
artcher [175]
The answer will be d but I am not fully sure.
8 0
2 years ago
Given that y is directly proportional to x. If y = 30 and x= 5, write an equation that connects y with x.
Licemer1 [7]

Given:

y is directly proportional to x.

y=30 when x=5

To find:

The equation that connects y with x.

Solution:

It is given that, y is directly proportional to x. So,

y\propto x

y=kx                     ...(i)

Where, k is the constant of proportionality.

We have, y=30 when x=5. Substituting these values in (i), we get

30=k(5)

Divide both sides by 5.

\dfrac{30}{5}=k

6=k

Substituting k=6 in (i), we get

y=6x  

Therefore, the required equation is y=6x.

8 0
2 years ago
L varies directly with the square of Z. L is 12 when Z is 2. Find the value of L when Z is 4.
kow [346]

Answer:

L = 48

Step-by-step explanation:

Given that L varies directly with Z² , then the equation relating them is

L = kZ² ← k is the constant of variation

To find k use the condition L = 12 when Z = 2 , then

12 = k × 2² = 4k ( divide both sides by 4 )

3 = k

L = 3Z² ← equation of variation

When Z = 4 , then

L = 3 × 4² = 3 × 16 = 48

7 0
2 years ago
HELP ME PLEASE ASAP
sleet_krkn [62]

D :- 10 - 25 = -5

4 - 5 = -1

Required Answer:- -1

5 0
2 years ago
Read 2 more answers
I WILL GIVE BRAINLIEST TO WHOEVER IS CORRECT
tatiyna
The first one is correct
5 0
2 years ago
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