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madam [21]
3 years ago
15

-3z = -21 Help me pliss

Mathematics
2 answers:
Basile [38]3 years ago
8 0
Answer: z= 7
Work: -21/-3=7
Agata [3.3K]3 years ago
8 0
-3z÷ -3. -21÷ -3. by subtracts
z= 7
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Plz help me answer this
OLEGan [10]

The correct answer is A.d* log_ba

Step-by-step explanation:

According to the power rule for logarithms, the logarithm of a power can be simplified by writing it as the product of the exponent multiplied by the logarithm of the base.

For example;

log_b(M^n)=nlog_bM

Hence in this case,

log_ba^d=d*log_ba

Learn More

Logarithms : brainly.com/question/11535704

Keyword : log

#LearnwithBrainly

4 0
3 years ago
Can someone please help me
Tamiku [17]

Answer:

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Step-by-step explanation:

4 0
2 years ago
What is the reason for each step in the solution of the equation? 18−2x=4x
Reika [66]
In order to solve an equation for a certain variable, you should isolate that variable on one side of the equation and leave all the other terms on the other side on the equation.
The, you solve to get the value of the variable.

The equation we have here is:
<span>18−2x=4x
First, we need to isolate the terms containing the "x" on one side of the equation. To do this, we will add 2x to both sides of the equation:
</span><span>18−2x+2x=4x+2x
18 = 6x
Now, we need to get the value of the "x". To do this, we will simply divide both sides of the equation by 6:
18/6 = 6x/6
3 = x .............> This is the solution of the equation</span>
3 0
3 years ago
Read 2 more answers
Can someone please help me with # 2 #13 thanks show work how it's done, please
zavuch27 [327]

Problem 13

10p+10q factors to 10(p+q). If we apply the distributive property, we can distribute the 10 to each term inside (p and q) to get

10(p+q) = (10 times p)+(10 times q) = 10*p + 10*q = 10p+10q

so we get the original expression again. Here 10 is the GCF of the two terms.

--------------------------------------------------------------

Plug p = 1 and q = 2 into the factored form

10*(p+q) = 10*(1+2) = 10*(3) = 30

As a check, let's plug those p,q values into the original expression

10*p+10*q = 10*1+10*2 = 10+20 = 30

We get the same output of 30

6 0
3 years ago
Simplify (2x^2y)^3 (-3xy^2)^2
solniwko [45]
Simplified it's 576x^8y^7
8 0
3 years ago
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