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3 years ago

What is the measure of YB?

Mathematics

1 answer:

pishuonlain [190]3 years ago

5 0

The formula is
YC x YD = AY x YB

fill in what we know:

18 x 6 = 9 x YB

108 = 9 x YB

YB = 108 / 9

YB = 12

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Evan and Dorinda make bracelets for a craft fair.

trapecia [35]

Answer:

98 bracelets

Step-by-step explanation:

Dorinda makes 50 bracelets (5*8+10=50) and Evan makes 48 (6*8=48). 48+50=98

8 0

3 years ago

Simplify (3^5)^2/3^-2

Rasek [7]

Answer:

531441

Step-by-step explanation:

7 0

3 years ago

Please help, thanks thanks

Marysya12 [62]

Answer:

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Step-by-step explanation:

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3 years ago

Read 2 more answers

Use technology and the given confidence level and sample data to find the confidence interval for the population mean muμ. assum

nikitadnepr [17]

The given in this problem are:

99% confidence level

N = 61

Mean = 2.0 kg

Standard deviation = 4.8

Z value for a 9% confidence interval is 2.576

Confidence Interval = mean ± Z s/ sqrt n

= 2.0 ± 2.576(4.8/sqrt 61)

=2.0 ± 2.576 (0.6145770236779006736364371988794)

= 2.0 ± 1.5832

4 0

3 years ago

Add. Show Your Work.

PIT_PIT [208]

Hey there :)

$1 \frac{4}{5} + 1\frac{6}{10}$

Change mixed fraction into an improper fraction
$\frac{9}{5} + \frac{16}{10}$
$\frac{16}{10}$ : are both even numbers, so you can further simplify by dividing by 2
$\frac{16/2}{10/2} = \frac{8}{5}$

To add fractions, we need same denominator to proceed. Here we have no problem since both denominators are 5

$\frac{9}{5}+ \frac{8}{5} = \frac{9+8}{5}$
$\frac{17}{5}$

As a mixed fraction: $3 \frac{2}{5}$
______________________________________________________

$2 \frac{3}{4} - 1\frac{2}{8}$

Let us change the mixed fraction into an improper fraction:
$\frac{11}{4} - \frac{10}{8}$
$\frac{10}{8}$ : You can further simplify this since both are divisible by 2
$\frac{10/2}{8/2} = \frac{5}{4}$

We have the same denominator set for subtraction, so you do not have to find common denominators
$\frac{11}{4}- \frac{5}{4} = \frac{11-5}{4}$
$\frac{6}{4}$

As a mixed fraction: $1\frac{2}{4} = 1\frac{1}{2}$

6 0

3 years ago