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Marizza181 [45]

3 years ago

9

Please help me on this question as soon as possible if you don't know the right answer for this question do not answer this ques

tion.

1 answer:

umka2103 [35]3 years ago

5 0

2b + 34greater then or equal to 54

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Lena drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took 6 hours. When Lena drove h

tekilochka [14]

I believe the answer is 88

7 0

2 years ago

Solve the equation. What is the value of x?<br><br> x minus 6.8 = 356.3

koban [17]

Answer:

the answer is 363.1 i used a calculater to find the answer. so 356.3+ 6.8 = 363.1 so x=363.1

Step-by-step explanation:

3 0

3 years ago

A cosmetics company makes three batches of a nail polish color called Purple Dusk using the recipe shown.

Ivanshal [37]

Answer:

Batch 1:- Red 2 ounces Blue 1 1/2 ounces

Batch 2:- Red 3 White 3 3/4 ounces.

Batch 3:- White 4 1/6 Blue 2 1/2 ounces.

Step-by-step explanation:

Batch 1

Amount of the white paint = 5/12 of the batch = 2 1/2 or 5/2 ounces.

5/12 is equivalent to 5/2 ounces of white paint.

1/12 ......................... 5/2 / 5 = 5/10 = 1/2 ounce.

Red paint.

!/3 of the product contains red paint which is 4/12 so this is 4 times 1/12 = 4 * 1/2 ounce = 2 ounces of red paint.

Blue paint.

Similarly to the above amount of blue paint = 1/4 =3/12

= 3 * 1/2 = 1 1/2 ounces of blue paint.

Batch 2.

We can calculate the missing quantities in a similar way to Batch 1.

Blue Paint = 3/12 of the product = 2 1/4 ( = 9/4) ounces so

1 /12 =

9/4 * 1/3 = 9/12 = 3/4 ounce

Red Paint:- 1/12 is equivalent to 3/4 ounce so

Amount of red paint = 4 * 3/4 = 3 ounces (answer)

White paint = 5 * 3/4 = 15/4 = 3 3/4 ounces (answer)

Batch 3.

Red paint = 3 1/3 ounces is equivalent to 4/12 of the product.

So 1/12 = 10/3 / 4 = 10/12 = 5/6 ounces.

White paint = 5/6 * 5 = 4 1/6 ounces.

Blue paint = 5/6 * 3 = 15/6 = 2 1/2 ounces.

3 0

3 years ago

Pls help asap whats the local min value of the function below?

shutvik [7]

Answer:

<em>given function has 2 minimums</em> - $\frac{9}{4}$ and $\frac{9}{4}$

Step-by-step explanation:

<u><em>Step 1.</em></u> g'(x) = 4x³ - 10x

<u><em>Step 2.</em></u> Find find the critical points:

4x³ - 10x = 2x(2x² - 5) = 0

$x_{1}$ = - $\sqrt{\frac{5}{2} }$ , $x_{2}$ = 0 , $x_{3}$ = $\sqrt{\frac{5}{2} }$

<u><em>Step 3.</em></u> g'(x) > 0 : - $\sqrt{\frac{5}{2} }$ < x < 0 or x > $\sqrt{\frac{5}{2} }$

g'(x) < 0 : x < - $\sqrt{\frac{5}{2} }$ or 0 < x < $\sqrt{\frac{5}{2} }$

<u><em>Step 4.</em></u>

If x ∈ ( - ∞ , - $\sqrt{\frac{5}{2} }$ ) , g(x) is decreasing ;

If x = - $\sqrt{\frac{5}{2} }$ , g(x) has <em>minimum</em> value ;

If x ∈ ( - $\sqrt{\frac{5}{2} }$ , 0 ) , g(x) is increasing ;

If x = 0 , g(x) has maximum value ;

If x ∈ ( 0 , $\sqrt{\frac{5}{2} }$ ) , g(x) is decreasing ;

If x = $\sqrt{\frac{5}{2} }$ , g(x) has <em>minimum</em> value ;

If x ∈ ( $\sqrt{\frac{5}{2} }$ , ∞ ) , g(x) is increasing .

⇒ at ( - $\sqrt{\frac{5}{2} }$ , - $\frac{9}{4}$ ) and at ( $\sqrt{\frac{5}{2} }$ , $\frac{9}{4}$ ) , g(x) reaches its minimum

8 0

3 years ago

Penny Weights, use the weights of the post 1983 pennies to construct a 98% confidence interval estimate of the standard deviatio

Ronch [10]

Answer:

c. 0.1391 < Ï < 0.2311

Step-by-step explanation:

The formula for Confidence Interval is given as:

Mean ± z × Standard deviation/√n

Z score for 98% confidence interval = 2.326

Mean = Significance level = 100% - 98%

= 2% = 0.02

Standard deviation = S=0.0165

n= 37

Hence,

Confidence Interval =

0.02 ± 2.326 × 0.0165/√37

0.02 ± 0.0063094687

Confidence Interval

0.02 - 0.0063094687

= 0.1391

0.02 ± 0.0063094687

= 0.2311

Hence, the Confidence Interval = (0.1391, 0.2311)

= c. 0.1391 < Ï < 0.2311

7 0

3 years ago