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andriy [413]
3 years ago
9

Which of the following BEST summarizes how to use the multiplication property of equality to isolate the variable p below? -1/2

p = 4
Mathematics
1 answer:
Sunny_sXe [5.5K]3 years ago
8 0

Answer:

multiplication property of equality

Step-by-step explanation:

Given:

-\frac{1}{2}p = 4

The rule is that whatever is done on one side of the equation is done on the other side of the equation two.

In order to isolate p, both sides of equation will be multiplied by -2.

This is called the multiplication property of equality ..

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What is the equation of a parabola with a vertex at (0, 0) and a directrix x = -4?
maks197457 [2]
The general form for this is  y^2 = 4ax   where a = focus

the directrix is same distabce behind the vertex as focus is in font so focus   a = 4

so we have y^2 = 16 x 
or 
x = (1/16) y^2

Its  C
5 0
4 years ago
Factor the algebraic expression 24a + 20​
Zinaida [17]

Answer:

4(6a + 5)

Step-by-step explanation:

24a + 20​

the greatest common factor of both terms is 4

4(6a + 5)

4 0
3 years ago
Read 2 more answers
2х + Зу = 16.9<br> 5х = y + 7.4
Maurinko [17]

Answer:

(2.3, 4.1)

Step-by-step explanation:

I don't exactly know what you want answer wise

6 0
3 years ago
4. Kelly Waxman's annual salary is $30,000. She takes a married exemption.
S_A_V [24]

The annual state tax witheld from Kelly Waxman's annual salary of 30,000 if she takes a married exemption is $1662.50

  • Personal exemption (Married) = $3000
  • Annual salary = $30,000

  • Taxable income = Annual salary - Exemption
  • Taxable income = $30,000 - $3,000 = $27,000

State tax withheld :

  • First $3500 = 0.03 × 3500 = $105.00
  • Next $3500 = 0.045 × 3500 = $157.50
  • Over $7000 = 0.07 × (27000 - (3500+3500)) = 0.07 × 20,000 = $1400

  • Total state tax witheld = $(105 + 157.50 + 1400) = $1662.50

Therefore, Kelly Waxman's annual state tax withheld is $1662.50

Learn more :brainly.com/question/14642419

3 0
3 years ago
(vii) log32 8=m<br> Again please
KonstantinChe [14]

Answer:

log_(32)8= 3/5

Step-by-step explanation:

Log_(32)8 = m

write is as

32^m=8

(2^5)^m = 2^3

2^5m = 2^3

Since the bases are the same, then two expressions are only equal if the exponents are also equal.

5m = 3

divide 5 on both sides to remove it from m

m= 3/5

Hope this helps!

3 0
3 years ago
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