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harina [27]
3 years ago
11

PLEASE HELP LOOK AT THE PHOTO I GAVE YOU PLEASE D:

Mathematics
2 answers:
77julia77 [94]3 years ago
8 0

Answer:

30\%

Step-by-step explanation:

There are 6 blocks shaded out of 20.

6/20=3/10=30\%

statuscvo [17]3 years ago
3 0
Answer:
30%

Explanation:
To solve this problem we must first count how many squares there are in the large rectangle.

There are 20 (twenty) squares in the large rectangle.

Now count how many squares are shaded orange.

There are six squares shaded orange.

Next, write the terms as a fraction.

number of orange squares/number of squares in total

6/20

Next, multiply the denominator by a number to equal one hundred.

6/20

6 • 5/20 • 5

30/100

Finally, turn the fraction into a percentage.

30/100 = 30%

Therefore, 30% represents the shaded area.
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Assume that a and b are the legs of a right triangle and C is the hypotenuse.
ale4655 [162]

Answer:

b = 48

Step-by-step explanation:

a = 20

b = ?

c = 52

a^2 + b^2 = c^2

20^2 + b^2 = 52^2

400 + b^2 = 2704

b^2 = 2704 - 400

b^2 = 2304

sqrt(b^2) = sqrt(2304)

b = sqrt(2304)

b = 48

6 0
4 years ago
the mean of the values in a data set is a. If each of the values in the data set were multiplied by 7, what would be the mean of
Gre4nikov [31]

Answer:

Mean of resulting data = 7 times mean of original data=7a

Step-by-step explanation:

Given that all values in a data set are multiplied by 7. to find the mean of the new set.

Let {x1,x2....xn} be the original data set.

The mean of this data set a= \frac{x1+x2+...+xn}{n}

Now multiply all values by 7

New data set

= {7x1, 7x2...7xn}

Sum of these = 7(x1+x2+..+xn) = 7 times sum of original data set


No of element = n for both the sets

Hence new mean = 7 * mean of original set.=7a

in other words, if the mean of the values in a data set is a. If each of the values in the data set were multiplied by 7, new mean would be 7a.

6 0
4 years ago
Parallelogram Property: opposite sides are congruent<br><br> Solve for x.
boyakko [2]

Answer:

Value of x = 19

Step-by-step explanation:

We know that in a parallelogram opposite sides are congruent.

So, in the given parallelogram side LM ≅ side NO

So, we can write 2x+2=40

Solving the equation to find value of x

2x+2=40\\2x=40-2\\2x=38\\x=\frac{38}{2}\\x=19

So, value of x = 19

4 0
3 years ago
Which is the greatest value?4qt
Aleks04 [339]

Step-by-step explanation:

19 is the greatest value

8 0
3 years ago
PLEASE HELP NOW! I WILL MARK BRAINLIEST!
Natasha_Volkova [10]

Answer:

17 units

Step-by-step explanation:

Given 2 congruent chords in the circle, then they are equidistant from the centre and perpendicular

There is a right triangle formed by legs 15 and 8, with radius r being the hypotenuse.

Using Pythagoras' identity in this right angle

r² = 15² + 8² = 225 + 64 = 289 ( take the square root of both sides )

r = \sqrt{289} = 17

7 0
3 years ago
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