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Fantom [35]
3 years ago
5

Almost done! Soooo close! I’m at 72% and I need 90 percent *bonus question for brainliest* , how many more questions do I need t

o get right to be done?

Mathematics
1 answer:
Pani-rosa [81]3 years ago
6 0
That answer in the image is 450.

The amount of questions you need to get right depends on the amount of questions on the test/quiz.
You might be interested in
In response to the increasing weight of airline passengers, the Federal Aviation Administration in 2003 told airlines to assume
solong [7]

Answer:

the approximate probability that the total weight of the passengers exceeds 4668 pounds is 0.0089

Step-by-step explanation:

Using the central limit Theorem

z = (x - u )/Q÷ sqrt n

Where z is the z-score

x is the average weight = 4668/22 = 212.2

u is the passengers average = 194 pounds

Q is standard deviation = 36 pounds

Therefore

z= (212.2 - 194) / 36 ÷ sqrt22

= 18.2/ 36÷ 4.69

= 18.2/7.68

z=2.3698 aprx 2.37

Find the value of 2.37 z-score on the z-table to determine the approximate probability

P(z>2.37) = 0.0089 (from the z-table)

6 0
3 years ago
Read 2 more answers
Plz help!!!!!!!...........................
Allisa [31]

Answer:

Step-by-step explanation:

adjacent x = 18

  8(18) + 9 = 144 + 9 = 153

8x + 9 + 27 = 180

8x + 36 = 180

8x = 144

x = 18

4 0
3 years ago
Find the square root of the fraction 64/100
kirill [66]
The simplified answer is 4/5
3 0
3 years ago
Read 2 more answers
Determine if the two triangles are congruent. If they are state how you know.
Elanso [62]

Answer:

3,4,5 are congruent angles

Step-by-step explanation:

Congruent Angles have the same angle (in degrees or radians). That is all. They don't have to point in the same direction. They don't have to be on similar sized lines.

3 0
4 years ago
Read 2 more answers
Operations with rational expressions
Scorpion4ik [409]

$\frac{50-2 w^{2}}{3 w^{2}+9 w-30} \cdot \frac{w^{2}+5 w-14}{6 w-30}=-\frac{w+7}{9}

Solution:

Given expression:

$\frac{50-2 w^{2}}{3 w^{2}+9 w-30} \cdot \frac{w^{2}+5 w-14}{6 w-30}

To solve the given expression:

First simplify: \frac{50-2 w^{2}}{3 w^{2}+9 w-30}

$\frac{50-2 w^{2}}{3 w^{2}+9 w-30}=-\frac{2(w+5)(w-5)}{3(w-2)(w+5)}

Cancel the common factor (w + 5).

                      $=-\frac{2(w-5)}{3(w-2)}

Now substitute this in the given expression.

$\frac{50-2 w^{2}}{3 w^{2}+9 w-30} \cdot \frac{w^{2}+5 w-14}{6 w-30}=-\frac{2(w-5)}{3(w-2)} \cdot \frac{w^{2}+5 w-14}{6 w-30}

Multiply the fractions \frac{a}{b} \cdot \frac{c}{d}=\frac{a \cdot c}{b \cdot d}

                               $=-\frac{2(w-5)\left(w^{2}+5 w-14\right)}{3(w-2)(6 w-30)}

Factor the denominator 3(w-2)(6 w-30) =18(w-2)(w-5)

                               $=-\frac{2(w-5)\left(w^{2}+5 w-14\right)}{18(w-2)(w-5)}                        

Cancel the common factor 2(w – 5).

                               $=-\frac{w^{2}+5 w-14}{9(w-2)}

Factor the numerator w^{2}+5 w-14=(w-2)(w+7)

                               $=-\frac{(w-2)(w+7)}{9(w-2)}

Cancel the common factor (w – 2).

                               $=-\frac{w+7}{9}

$\frac{50-2 w^{2}}{3 w^{2}+9 w-30} \cdot \frac{w^{2}+5 w-14}{6 w-30}=-\frac{w+7}{9}

3 0
3 years ago
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