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iris [78.8K]
3 years ago
12

What is the value of x In the equation 2(2x – 5 – 4) = 160 - 17? (4 points)​

Mathematics
2 answers:
rosijanka [135]3 years ago
6 0

Answer:

Step-by-step explanation:

Exact Form:

x  =161

4

Decimal Form:

x  =  40.25

Mixed Number Form:

x  =  40   1

 4

diamong [38]3 years ago
4 0

Answer:

X = 40.25

Step-by-step explanation:

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Which graph represents this exponential function? f(x)=3(2)^x-4
Rasek [7]

Answer:

A

Step-by-step explanation:

look up desmos graphing calculator and it graphs all of your equations for you. I used it all through high school.

4 0
3 years ago
How much water conditioner for 2.5 gallon tank?
vivado [14]
If i'm correct you should add 0.5 mL to your 1 gallon tank, and I would say about 1.25 mL to your 2.5 gallon. It will not be extreme if you end up putting a little more in than you are supposed to. I'm not 100% because i haven't slept so my brain is being slow.
8 0
3 years ago
A home gardener estimates that 24 apple trees will have an average yield of 104 apples per tree. But because of the size of the
d1i1m1o1n [39]

Answer:

The farmer should plant 14 additional trees, for maximum yield.

Step-by-step explanation:

Given

Trees = 24

Yield = 104

x \to additional\ trees

So, we have:

Trees = 24 + x

Yield = 104 - 2x

Required

The additional trees to be planted for maximum yield

The function is:

f(x) = Trees * Yield

f(x) = (24 + x) * (104 - 2x)

Open bracket

f(x) = 24 * 104 + 104x - 24 * 2x - x * 2x

f(x) = 2796 + 104x - 48x - 2x^2

f(x) = 2796 + 56x - 2x^2

Rewrite as:

f(x) = - 2x^2 + 56x + 2796

Differentiate

f'(x) = -4x + 56

Equate f'(x) = -4x + 56 to 0 and solve for x to get the maximum of x

-4x + 56 = 0

-4x =- 56

Divide by -4

x =14

The farmer should plant 14 additional trees, for maximum yield.

5 0
3 years ago
Which pair of terms can be used to represent any two consecutive odd numbers?
ehidna [41]

Answer:

x and 2x+1

Step-by-step explanation:

5 0
3 years ago
A cylinder-shaped drainage pipe 66 in. long measures 25.12 in. around.
Darina [25.2K]
V=hpir^2

tricky, they didn't give us radius
they just gave circiufmerece

c=2pir
25.12=2pir
divide by 2 both sides
12.56=pir
divide by 3.14 both sides
4=r

subsitutet

v=hpir^2
v=66pi4^2
v=66pi16
v=1056pi
v=3315.84 cubic inches

4 0
3 years ago
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