3 years ago

What is the value of b in the equation below? StartFraction 5 Superscript 6 Over 5 squared EndFraction = a Superscript b

Mathematics

2 answers:

Margaret [11]3 years ago

4 0

Answer:

B-4

Step-by-step explanation:

Alexus [3.1K]3 years ago

3 0

Answer:

The answer is D=8

Step-by-step explanation:

Just took the test

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Carl borrowed $7 for lunches during one week $8 for lunches during the next week. How much money did Carl borrow?

frez [133]

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3 years ago

2. Simplify the sum or difference. 4 sqrt 2 - 7 sqrt 2

Stella [2.4K]

Hello :
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3 years ago

Please help logarithms!

nlexa [21]

Given:

$\log_34\approx 1.262$

$\log_37\approx 1.771$

To find:

The value of $\log_3\left(\dfrac{4}{49}\right)$ .

Solution:

We have,

$\log_34\approx 1.262$

$\log_37\approx 1.771$

Using properties of log, we get

$\log_3\left(\dfrac{4}{49}\right)=\log_34-\log_349$ $\left[\because \log_a\dfrac{m}{n}=\log_am-\log_an\right]$

$\log_3\left(\dfrac{4}{49}\right)=\log_34-\log_37^2$

$\log_3\left(\dfrac{4}{49}\right)=\log_34-2\log_37$ $[\log x^n=n\log x]$

Substitute $\log_34\approx 1.262$ and $\log_37\approx 1.771$ .

$\log_3\left(\dfrac{4}{49}\right)=1.262-2(1.771)$

$\log_3\left(\dfrac{4}{49}\right)=1.262-3.542$

$\log_3\left(\dfrac{4}{49}\right)=-2.28$

Therefore, the value of $\log_3\left(\dfrac{4}{49}\right)$ is $-2.28$ .

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2 years ago

How many elements are in the set (a,b,<br> c.?

diamong [38]

There are three elements in that set.

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2 years ago

What is tan angle QTR if line PR is tangent to circle T at Q, and TS = 1 cm?

lions [1.4K]

Tangent = opposite / adjacent

In the diagram:
TQ is the short leg or the opposite
QR is the long leg or the adjacent
TR is the hypotenuse. TS is part of the hypotenuse.

Tan(QTR) = TQ / QR

TS = 1 ; TQ = TS so, TQ = 1

Tan(QTR) = 1/QR

I think the answer is C.RQ

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3 years ago