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3 years ago

Please Help!! I will give 50 points and brainliest for the correct answer

Mathematics

2 answers:

Jobisdone [24]3 years ago

7 0

Answer:

Step-by-step explanation:

Using the rules of logarithms

logx + logy = log(xy)

$log_{b}$ x = n ⇒ x = $b^{n}$

Given

$log_{x}$ 5 + $log_{x}$ 12 = 7 , then

$log_{x}$ (5 × 12) = 7 , that is

$log_{x}$ 60 = 7 , thus

$x^{7}$ = 60 → B

Marina86 [1]3 years ago

6 0

Answer:

Step-by-step explanation:

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The perimeter of a ractangle is 28 units what is the value of w

saveliy_v [14]

Answer:

W=5

Perimeter=2(L+W)

2(L+W)=28

2(2W-1+W)=28

2(3W-1)=28

6W=30

W=5

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3 years ago

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3 years ago

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PLEAS HELP ASAP PLEAS 20 points<br> 1 over 3b = 4 over 5. what equals b in this equation?

White raven [17]

Answer:

b = 5/12

Step-by-step explanation:

You have the proportion

1/(3b) = 4/5

Cross multiply to get rid of the fractions...

5 = 12b now solve for b

5/12 = b (divide by 12 on both sides)

8 0

3 years ago

How do I answer this question

Gnom [1K]

First you have to make it multiplication so you flip 5/2 around and the two “2’s” will cancel each other so it will be 17/5 or 3 2/5

6 0

3 years ago

What are the first 3 terms in. t(n)=-2n+7

seropon [69]

Answer:

The first 3 terms of the sequence $t(n)=-2n+7$ are:

$5, 3, 1$

Step-by-step explanation:

Given the sequence

$t(n)=-2n+7$

Here $n$ represents any term number in the sequence

Determining the first term

substitute n = 1 in the sequence to determine the first term

$t(n)=-2n+7$

$t(1)=-2(1)+7$

$t(1)=-2+7$

$t(1) = 5$

Determining the 2nd term

substitute n = 2 in the sequence to determine the 2nd term

$t(n)=-2n+7$

$t(2) = -2(2) + 7$

$t(2) = -4 + 7$

$t(2) = 3$

Determining the 3rd term

substitute n = 3 in the sequence to determine the 3rd term

$t(n)=-2n+7$

$t(3) = -2(3) + 7$

$t(3) = -6 + 7$

$t(3) = 1$

Therefore, the first 3 terms of the sequence $t(n)=-2n+7$ are:

$5, 3, 1$

5 0

3 years ago