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mixas84 [53]
3 years ago
15

What is the value of p in the equation? 1/4(8-4p) +2p=12

Mathematics
2 answers:
irina1246 [14]3 years ago
7 0

So,

\frac{1}{4}(8-4p)+2p=12

Distribute.

2 - p + 2p = 12

Simplify.

2 + p = 12

Subtract 2 from both sides.

p = 10

The correct answer is D.

7nadin3 [17]3 years ago
4 0

1/4(8-4p) +2p = 12

Distribute the 1/4

2 - p + 2p = 12

Combine the p's

2 + p = 12

Subtract 2 from each side

2 - 2 + p = 12 - 2

0 + p = 10

p = 10

The answer is D. 10


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san4es73 [151]
It’s the first one :))
8 0
3 years ago
Read 2 more answers
A health food company makes its 'Superfood Blend' from whey protein, which costs $10.25 per pound, and powdered spirulina, which
kaheart [24]

Given:

Cost of protein = $10.25 per pound

Cost of spirulina = $22.45 per pound

Cost of blend = $16.35 per pound

Weight of blend = 140 pounds

To find:

The quantity of spirulina it will need to make the blend.

Solution:

Let x be the quantity of protein and y be the quantity of spirulina in the blend. Then,

x+y=140                      ...(i)

Equation (i) can be written as:

x=140-y                      ...(ii)

10.25x+22.45y=16.35\times 140

10.25x+22.45y=2289                  ...(iii)

Using (ii) and (iii), we get

10.25(140-y)+22.45y=2289

1435-10.25y+22.45y=2289

12.2y=2289-1435

12.2y=854

Divide both sides by 12.2.

y=\dfrac{854}{12.2}

y=70

Therefore, 70 pounds of the spirulina it will need to make the blend.

3 0
3 years ago
Amil took $65.00 to go shopping and he bought two pairs of jeans for $27.00 each. How much change will he have ? Choose the expr
Olegator [25]

Answer:

11.00

Step-by-step explanation:

1. Since he's trying to buy 2 pairs you can multiply 27.00 by 2 or you can just add 27.00+27.00 and will get 54.00

2. Subtract 65.00-54.00

3. and you'll get 11.00

3 0
3 years ago
I really need help with this since I have a math test tomorrow, I'd really appreciate it if someone could help.
Elza [17]
Ok first of all, I EXTREMELY appreciate your use of parenthesis. Ok so first just raise both sides to the power of 1/2.

(\frac{3}{8})^{x}=\frac{8}{11}

You'll see why I didn't include a negative. Then apply the log base 3/8 and you get

x =   log_{ \frac{3}{8} }( \frac{8}{11} )
Then you split the log up and you get
x =  log_{ \frac{3}{8} }(8)  -  log_{ \frac{3}{8} }(11)
You couldn't put a negative value for a log. That is why I excluded the negative part of the sqrt.
5 0
3 years ago
Jayden filled his 288 gallon pool with water in 6 hours. How many gallons per hour did he use?
Ksju [112]

Answer:

48 gallons per hour

Step-by-step explanation:

Step 1:

288 : 6

Step 2:

288 ÷ 6

Answer:

48

Hope This Helps :)

5 0
3 years ago
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