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3 years ago

11

Cindy is making a 21.5 inch necklace. There are beads every 3.25 inches along the necklace from the beginning of the necklace. W

hat is the distance between the last bead and the end of the necklace?

1 answer:

DochEvi [55]3 years ago

7 0

21.5 divided by 3.25

equals 6.615

round up to 6.62

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Solve the triangle if c = 10 and A = 50 degrees

Nata [24]

Answer:

Step-by-step explanation:

Since A = 50 degrees, c = 10 ,and since it is a right Triangle, then C = 90 degrees and so B = 180 - (90 +50)......... sum of angles of a triangle

B = 180 - 140

B = 40 degrees

Using sine rule : a/sin A = b / sin B = c / sin C

To calculate a, then we use a/ sin A = c / sin C , since we know c and C

i.e a/ sin 50 = 10 / sin 90

recall that sin 90 = 1

then we have a / sin 50 = 10 / 1

cross multiply

a = 10 x sin 50

a = 10 x 0.76604

a = 7.6604

We will calculate b following the same procedure

b/ sin B = c / sin C

b/ sin 40 = 10/ sin 90

b/ sin 40 = 10/ 1

b = 10 x sin 40

b = 10 x 0.64279

b = 6.4279

Therefore a ≈7.6604 , b ≈ 6.4279

7 0

3 years ago

Pauline withdrew $7.50 from her savings account every day for 3 days. Which expression is the best choice to help her determine

artcher [175]

Answer:

$\$(-7.50)(3\ days)= - 22.50$

Step-by-step explanation:

Given: Pauline withdrew $7.50 each day from her saving account.

She withdrew money for 3 days.

As Pauline is withdrawing the money, therefore the amount will be in negative

Now finding the expression for total amount of money withdrew.

Total money withdrew = $(Money\ withdrew\ each\ day)\times (number\ of\ day)$

∴ Total money withdrew = $\$ -7.50\times 3\ days= - 22.50$

Hence, the expression to determine the total amount of money she withdrew is $(-7.50)(3)= -22.5$ and Total money she withdrew is -$22.5

7 0

3 years ago

HELP!:<br><br> x^2 + 6x + 9 = ?<br><br> This is a factorizing question!! I need help, quickly!

julia-pushkina [17]

Answer:

nasa pic yung answer

Step-by-step explanation:

hope its help

correct me if im wrong

7 0

2 years ago

Read 2 more answers

Change 725 percent to a mixed number

kvv77 [185]

The answer to your question is 7 25/100 or simplified to 7 1/4 because percent means out of 100 and if there is 700 then there is 7 wholes thn you have 25/100 or 1/4

7 0

3 years ago

ERROR ANALYSIS Describe and correct the error in ﬁnding the x-intercept.

EastWind [94]

The x-intercept is -6

Step-by-step explanation:

In order to find the x-intercept, we put y = 0 and to find the y-intercept we put x = 0

In the given method, x is put equal to zero instead of y as x-intercept had to be found.

Given equation is:

$-2x+3y=12$

$-2x + 3(0) = 12\\-2x +0 = 12\\-2x = 12$

Dividing both sides by -2

$\frac{-2x}{-2} = \frac{12}{-2}\\x = -6$

The x-intercept is -6

Keywords: Coordinate geometry, Intercepts

Learn more about intercepts at:

#LearnwithBrainly

3 0

3 years ago