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bezimeni [28]
2 years ago
12

Can someone please help mee (will give brainliest 20 points!!!)

Mathematics
1 answer:
Mice21 [21]2 years ago
7 0

  [a] x = 175 - 7.5p

For a, we are isolating the x variable to one side of the equation.

        0.4x + 3p = 70

        0.4x = - 3p + 70

        x =  - 7.5p + 175

  [b] x = 115

For b, we are solving for x when p = 8.

        x =  - 7.5p + 175

        x =  - 7.5(8) + 175

        x = 115

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Plz help me with it
quester [9]

Answer:   \bold{\sqrt[4]{2} }

<u>Step-by-step explanation:</u>

\dfrac{1}{2}\sqrt[4]{32} =\dfrac{1}{2}\sqrt[4]{2\cdot 2\cdot 2\cdot 2\cdot 2}=\dfrac{1}{2}\cdot 2\sqrt[4]{2}=\boxed{\sqrt[4]{2} }

4 0
3 years ago
I really need help solving these two problems  
Oxana [17]
.........................

7 0
3 years ago
A dress is on sale for 15% discount, meaning 85% of the price remains. If the sale price of the dress is $51, then the original
ira [324]

Answer:

Step-by-step explanation:

let the original price=x

85 % of x=51

x=51*\frac{100}{85} =60

5 0
3 years ago
Sorry I also need help with this question
Tomtit [17]

Answer: B

Step-by-step explanation:

(f/g) means to divide f(x) by g(x).

(f/g)(x)=\frac{3x+2}{3x-5}

To find the domain, you set the domain equal to zero and solve for x.

3x-5=0                   [add both sides by 5]

3x=5                       [divide both sides by 3]

x=5/3

Now, we know that B is the correct answer.

4 0
3 years ago
Solve for z.<br><br> –9 + 8(14z + 2) = 7(17z + 8)<br><br> z =
monitta

Answer:

z=-7

Step-by-step explanation:

-9+8*14z+8*2=7*17z+7*8

-9+112z+16=119z+56

112z+7=119z+56

-112z       -112z

7=7z+56

-56    -56

-49=7z

:7     :7

z=-7

5 0
2 years ago
Read 2 more answers
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