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Allushta [10]
3 years ago
14

Evaluate the function when x = -2 Someone please help I don’t understand

Mathematics
1 answer:
hodyreva [135]3 years ago
4 0

Answer:

f(x)= -12

Step-by-step explanation:

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Solve the equation. Round to the nearest hundredth. Show work.
muminat

Answer:

Final answer is approx x=0.16.

Step-by-step explanation:

Given equation is 2.8\times 13^{4x} +4.8 = 19.3

Now we need to solve equation 2.8\times 13^{4x} +4.8 = 19.3 and round to the nearest hundredth.

2.8\times 13^{4x} +4.8 = 19.3

2.8\times 13^{4x} = 19.3-4.8

2.8\times 13^{4x} = 14.5

13^{4x} = \frac{14.5}{2.8}

13^{4x} = 5.17857142857

\log(13^{4x}) = \log(5.17857142857)

4x \log(13) = \log(5.17857142857)

4x = \frac{\log(5.17857142857)}{\log\left(13\right)}

4x = 0.641154659628

x = \frac{0.641154659628}{4}

x = 0.160288664907

Round to the nearest hundredth.

Hence final answer is approx x=0.16.

4 0
4 years ago
Every year, for the annual school bake sale,
Leno4ka [110]

Answer: Annie will have to make 228 cookies

explanation:

let y represent the total number cookies   that Annie will make.

<h3>y= 342*(2/3)</h3><h3>y=228</h3><h3 /><h3 />

5 0
3 years ago
Graph g(x)=-5|x+2|+2
Llana [10]
This is the graph for the equation, it crosses through points (0,-8) (-2,4) (-1.6,0) and its vertex is (-2,2)

Hope this helps !!

7 0
4 years ago
23.A chef ordered 400 pounds of potatoes in same-sized bags. Which expressions show
mrs_skeptik [129]

Answer:

10*40

80*5

20*20

Step-by-step explanation:

20*20=400

80*5=400

10*40=400

5 0
4 years ago
Tiana can clear a football field of debris in 3 hours. Jacob can clear the same field in 2 hours. If they decide to clear the fi
Marianna [84]
You must find the relative rates of both workers...

T=f/3 and J=f/2  so if they work together to clear the field then:

ft/3+ft/2=f  make all terms have a common denominator of 6

(2/2)(ft/3)+(3/3)(ft/2)=(6/6)f

2ft/6+3ft/6=6f/6  multiply both sides by 6

2ft+3ft=6f  divide both sides by f

2t+3t=6  combine like terms on left side

5t=6  divide both sides by 5

t=6/5 hr

t=1 1/5 hr

t=1 hr 12 min
8 0
4 years ago
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