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jek_recluse [69]
3 years ago
5

4. True or False: The solution to 4g +7=5g-1-g is Infinitely Many Solutions.

Mathematics
1 answer:
Nitella [24]3 years ago
7 0

Answer:

False

Step-by-step explanation:

4g + 7 = 5g - 1 - g

Simplify:

4g + 7 = 4g - 1

Subtract both sides by 4g:

7 = -1

There are no solutions to this equation.

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Jason had $80 in his savings
siniylev [52]
He would have 50$ in his account
6 0
3 years ago
A stock market analyst notices that in a certain year, the price of IBM stock increased on 131 out of 252 trading days. Can thes
san4es73 [151]

Answer:

95% confidence interval for the proportion of days that IBM stock increases.

(0.45814 , 0.58146)

Step-by-step explanation:

<u><em>Step:1</em></u>

Given that a stock market analyst notices that in a certain year, the price of IBM stock increased on 131 out of 252 trading days.

Given that the sample proportion

                      p^{-} = \frac{131}{252} = 0.5198

Level of significance = 0.05

Z₀.₀₅ = 1.96

<u><em>Step:2</em></u>

<u><em>95% confidence interval for the proportion of days that IBM stock increases.</em></u>

<u><em></em></u>(p^{-} - Z_{0.05} \frac{\sqrt{p(1-p)} }{\sqrt{n} } , p^{-} + Z_{0.05} \frac{\sqrt{p(1-p)} }{\sqrt{n} } )<u><em></em></u>

(0.5198 - 1.96(\sqrt{\frac{0.5198(1-0.5198)}{252} } , 0.5198 +1.96(\sqrt{\frac{0.5198(1-0.5198)}{252} })

(0.5198 -  0.06166 , 0.5198+0.06166)

(0.45814 , 0.58146)

<u><em>Final answer:-</em></u>

95% confidence interval for the proportion of days that IBM stock increases.

(0.45814 , 0.58146)

3 0
3 years ago
Which equation represents the line that passes through (-8,11) and<br> (4, 7/2)
-Dominant- [34]

Answer:

Y=-5/8X+6

Step-by-step explanation:

3 0
3 years ago
I need help wit this math work for my brother
Paul [167]

Answer:

Here

Step-by-step explanation:

Candy Bar- $.99

Drink- $1.50

Chips- $1.00

Hair Gel- $3.00

Gum- $.50

Can- $.75

Salsa- $2.00

Eggs- $2.00

Milk-$1.50

Toothpaste- $1.00

6 0
3 years ago
Please help!!!!<br><br>CE is tangent to this circle, CD is a radius and ECB=48 what is BAC​
den301095 [7]

Answer:

48degrees

Step-by-step explanation:

From the circle geometry shown, traingle BDC is an isosceles triangle which shows means that their base angels are the same. Hence;

<B = <C

<CBD + <BCD + <D = 180

<BCD + <BCD + <D =180

2<BCD + <BDC = 180

Get <BCD;

<BCD+ <ECB = 90

<BCD + 48 = 90

<BCD = 90 - 48

<BCD = 42degrees

Get <BDC

2<BCD + <BDC = 180

2(42)+ <BDC = 180

84 + <BDC = 180

<BDC = 180 - 84

<BDC = 96

Since angle at the centre is twice that at the circumference, then;

<BAC = 1/2(<BDC )

<BAC = 96/2

<BAC = 48degrees

4 0
3 years ago
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