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Anna007 [38]
3 years ago
12

HELP! AAHHHHH SOMEBODY HELP!

Mathematics
1 answer:
irina1246 [14]3 years ago
3 0

Answer:

8.50 cm²

Step-by-step explanation:

The dimension of each square is given as 0.5cm by 0.5cm

The area of the a square is, a²

Where, a = side length

Area of each square = 0.5² = 0.25cm

The number of blue colored squares = 34

The total area of the blue colored squares is :

34 * 0.25 = 8.50cm²

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LMNP is a rectangle. Find the value of x and the length of each diagonal. LN=6x+9and MP=9x−6
Alexus [3.1K]

Answer:

see explanation

Step-by-step explanation:

The diagonals of a rectangle are congruent, thus

MP = LN , substitute values

9x - 6 = 6x + 9 ( subtract 6x from both sides )

3x - 6 = 9 ( add 6 to both sides )

3x = 15 ( divide both sides by 3 )

x = 5

Thus

MP = 9(5) - 6 = 45 - 6 = 39 and LN = 6(5) + 9 = 30 + 9 = 39

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4 years ago
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Anettt [7]

Answer:

First Problem. 17x , 17 + x, and 7x + 10x

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Step-by-step explanation:

4 0
3 years ago
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Suppose that several insurance companies conduct a survey. They randomly surveyed 350 drivers and found that 280 claimed to alwa
KATRIN_1 [288]

Answer:

Lower limit = 0.76

Upper limit = 0.84

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 350

Number of drivers that buckle = 280

Formula:

p' = \dfrac{x}{n} = \dfrac{280}{350} = 0.8

q' = 1-p' = 1 - 0.8 = 0.2

The standard deviation for sp =

=\sqrt{\displaystyle\frac{p'q'}{n}}\\\\=\sqrt{\dfrac{0.8\times 0.2}{350}} = 0.02138

95% Confidence Interval:

p' \pm z_{critical}(s_p)

z_{critical}\text{ at}~\alpha_{0.05} = \pm 1.96

Putting the values, we get,

0.8 \pm 1.96(0.02138)\\= 0.8 \pm 0.0419048\\=(0.7580952, 0.8419048)\\\approx (0.76,0.84)

Lower limit = 0.76

Upper limit = 0.84

3 0
3 years ago
Which of the following numbers is between - 3/4 and 5/8?
SVETLANKA909090 [29]

Answer:

The correct answer is B.

Step-by-step explanation:

If you place all of them on a number line the order from least to greatest would be:

-1, -3/4, -1/2, 5/8, 7/8, 0.9

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Find the missing factor B that makes the equality true.<br> 21y4 = (B)(74)<br> B=
JulsSmile [24]

Answer:

1.135y

Step-by-step explanation:

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Just divide over 74 to the left side

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