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sweet-ann [11.9K]
3 years ago
11

Question shown below within image.

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

Answer:

m∠x = 119°

m∠y = 61°

m∠z = 119°

Step-by-step explanation:

Angle x:

  • m∠x = 180° - 61°       (sum of angles in a straight line)
  • m∠x = 119°

Angle y:

  • m∠y = 61°                   (Alternate interior angles)

Angle z:

  • m∠z = 119°               (Sum of angles in a line, corresponding angles)

-Chetan K

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Find the answer pleaseeee...<br><br>-15/9 + 9/4 = ? <br><br>Please find what the question mark is​
SVEN [57.7K]

Answer:

7/12

Step-by-step explanation:

-15/9+9/4

We need to make them have the same denominator:

9x4= 36 so that is our new denominator

-15x4= -60

9x9=81

(Sorry if i dont make sense)

Now we have -60/36+81/36 which is equal to 21/36.

Now we simplify:

21/36=7/12

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3 years ago
Good Treads and Speed Tracks manufacture tires. Good Treads claims that their tires last longer than Speed Tracks tires. A car c
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The answer is B... good treads claim is false therefore it can be concluded that speed tracks tires last longer than good treads tires 

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3 years ago
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Hoping to attract more shoppers, a city builds a new public parking garage downtown. The city plans to pay for the structure thr
posledela

Answer:

MOE_{95} = 1.192\cdot MOE_{90}

Step-by-step explanation:

The margin of error is computed using the formula:

MOE=z_{\alpha/2}\cdot\frac{\sigma}{\sqrt{n}}

The critical of <em>z</em> for 95% confidence level and 90% confidence level are:

z_{0.05/2}=z_{0.025}=1.96\\\\z_{0.10/2}=z_{0.05}=1.645

*Use a <em>z</em>-table.

The sample size is n = 44.

Compare the MOE for 95% confidence level and 90% confidence level as follows:

\frac{MOE_{95}}{MOE_{90}}=\frac{1.96\times (15/\sqrt{44})}{1.645\times (15/\sqrt{44})}

\frac{MOE_{95}}{MOE_{90}}=\frac{1.96}{1.645}\\\\\frac{MOE_{95}}{MOE_{90}}=1.192\\\\MOE_{95} = 1.192\cdot MOE_{90}

6 0
3 years ago
Samaria attached 165 inches of fringe material to a tablecloth if the tablecloth was in a shape of a regular pentagon how much f
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35 in. because a pentagon has 5 sides and have to divide the total amount of yarn to the sides. 
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3 years ago
A father wishes to give his son P200, 000 ten years from now. What amount should he invest if it will earn interest at 10% compo
Archy [21]

Answer:

C. P69,256.82

Step-by-step explanation:

We know that,

The amount formula in compound interest is,

A=P(1+\frac{r_1}{n_1})^{n_1t_1} (1+\frac{r_2}{n_2})^{n_2t_2}.......

Where, P is the principal amount,

r_1, r_2.... are the annual rate for the different periods,

t_1, t_2,..... are the number of year for different periods,

n_1, n_2, n_3... are the number of periods,

Given,

A = P 200,000,

r_1=10%=0.1, n_1=4, t_1=5,r_2=12%=0.12, n_2=1, t_2=5

Thus, by the above formula the final amount would be,

200000=P(1+\frac{0.1}{4})^{4\times 5}(1+\frac{0.12}{1})^{1\times 5}

200000=P(1+0.025)^{20}(1+0.12)^5

200000=P(1.025)^{20}(1.12)^5

\implies P=69,256.824\approx 69,256.82

Option C is correct.

8 0
3 years ago
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