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natulia [17]
3 years ago
13

NEED HELP THANKS PLEASE EXPLAIN I WILL MRK BRAINLIEST THANK YOU!

Mathematics
2 answers:
Sedaia [141]3 years ago
6 0

Hi!

x = 6

Explanation:

21 / 7 = 3

So, now multiply 2 by 3 to find the value of x.

2 * 3 = 6

Hope this has helped you!

QveST [7]3 years ago
4 0

proportional relational ship  

y= kx

7 = k2

solve for k

7/2 =k


y = 7/2 x

if y = 21

21 =7/2 x

solve for x

multiply by 2/7 on each side

21* 2/7 = 2/7*7/2 x

6 =x

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A semicircle is drawn next to the base of an isosceles triangle such that its diameter is perpendicular to the triangle's
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The total area of the semicircle and triangle is 30 + 4.5π .

The diameter of the semicircle is perpendicular to the base of the triangle.

Given diameter length = 6 cm

radius = 6 /2 = 3cm

Area of the semicircle = 1/2 πr² = 1/2π3² = 4.5π

height of the triangle = 10 cm

Area of the triangle = 1/2 × 6 × 10 =30cm

Total area of the figure = 30 + 4.5π

hence the total area of the resulting figure is 30 + 4.5π

A semicircle with one locus of points is referred to as a half-circle in mathematics, more specifically geometry. A semicircle's complete arc is always equal to 180 degrees, radians, or a half-turn.

It only contains one reflectional symmetry line. A half-disk, a twofold geometric entity that includes both the circumferential segment from one end of the arc towards the other and all the inner points, is typically referred to as a "semicircle" in non-technical language.

Disclaimer: The complete question is :

A semicircle is drawn next to the base of an isosceles triangle such that its diameter of 6 cm is perpendicular to the triangle's altitude of 10 cm

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7 0
1 year ago
Can someone please give me the answer I will mark I brilliant
d1i1m1o1n [39]

Answer:

294

Step-by-step explanation:

Area = length x width

Area of one square is 7 x 7 or 49

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7 0
3 years ago
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In a hypothesis test, if the computed P-value is greater than a specified level of significance, then we__________.
Verizon [17]

Answer:

We fail to reject the null hypothesis.

Step-by-step explanation:

In a hypothesis test, if the computed p-value is grater than a specified level of significance, then we fail to reject the null hypothesis. The p-value can be computed as the probability of getting a value equal or greater (in absolute value) than the observed value using the test statistic, this implies that if the p-value is greater than a specified level of significance, then the observed value does not fall inside the rejection region. Therefore we fail to reject the null hypothesis.

8 0
3 years ago
A survey was taken of a random sampling of residents of New York City and Los Angeles to compare how many of them own a car. A 4
erma4kov [3.2K]

Answer:

The correct option is;

There is a greater percentage of LA residents who own a car than NYC residents who do

Step-by-step explanation:

The values are presented as follows;

LA residents who own a car = 3251

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Total residents who own a car = 4729

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The total number of people in the poll who own a car = 4729

Therefore, the correct option is that there is a greater percentage of LA residents who own a car than NYC residents who do.

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