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2 years ago

What is the square root of 49/100?

Mathematics

1 answer:

anzhelika [568]2 years ago

5 0

The square root is 0.7

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The ratio of green marbles to yellow marbles in Toby’s bag is equal to 2:3. What percent of the marbles in the bag are green mar

Andrews [41]

40% is the answer. you create a ratio and percent table is a way of solving it. Hope this helps!

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3 years ago

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The midpoint of (3 x, -2) and (-4, 5y) is (1,4). find x, -y

Mariana [72]

Answer:

(x,-y): (2,-2)

Step-by-step explanation:

M=(x+x)/2,(y+y)/2

Given (1,4)=

$\frac{3x - 4}{2}$

This implies:

$1 = \frac{3x - 4}{2}$

$3x - 4 = 2 \\ 3x = 2 + 4 \\ \frac{3x }{3} = \frac{6}{3} \\ x = 2$

In a similar way,

$4 = \frac{ - 2 + 5y}{2} \\ - 2 + 5y = 8 \\ 5y = 10 \\ y = 2$

The question demanded (x,-y)

Hence(2,-2) is the answer

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2 years ago

Write as a decimal. If a repeating decimal, round to the nearest hundredth.

Mamont248 [21]

Given:

$\frac{475}{80}$

Let's evaluate and find the quotient.

We have:

$\frac{475}{80}=5.9375$

SInce it is not a repeating decimal, we are asked to leave to answer as it is.

A repeating decimal is a decimal with digits or group of digits that repeats endlessly.

The decimal 5.937

ANSWER:

5.9375

6 0

10 months ago

recent survey found that 71% of all adults over 50 wear glasses for driving. In a random sample of 30 adults over 50, what is

valentina_108 [34]

Answer:

Mean = 21.3

Standard Deviation = 2.48

Step-by-step explanation:

We are given the following in the question:

p = 71% = 0.71

Sample size, n = 30

We have to find the mean and the standard deviation of those that wear glasses.

$\text{Mean} = np\\=30(0.71)\\=21.3$

Thus, the mean of those who wear glasses is 21.3

$\text{Standard deviation} = \sqrt{npq}\\=\sqrt{np(1-p)}\\=\sqrt{30\times 0.71\times (1-0.71)}\\=2.48$

Thus, the standard deviation of those who wear glasses is 2.48

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2 years ago

I need helpful answers pls

Ivenika [448]

Answer:

X=5 the angle is 76 degrees

Step-by-step explanation:

The bottom angles are corresponding. So 52+52=104, so you need 76 more degrees. Then simple math to caculate x.

7 0

2 years ago

What is the square root of 49/100?​

What is the square root of 49/100?