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dimaraw [331]
3 years ago
7

Given that cos 57° = 0.545, enter the sine of a complementary angle. sin h

Mathematics
1 answer:
noname [10]3 years ago
4 0

Answer:

sin 33° = 0.545

Step-by-step explanation:

complementary angle to 57° is 33°

sin 33° = 0.545

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Miss Jones it it it is Southern living home party to purchase a vase which cost $34.99 the shipping charge was three dollars and
creativ13 [48]

Answer:

The amount paid for the vase is <u>$41.12</u>.

Step-by-step explanation:

Given:

A vase which cost $34.99 the shipping charge was $3.00 and 8.25% sales tax was paid on the subtotal which including the shipping charge.

Now, to find the amount paid for the vase.

Cost of vase = $34.99.

Shipping charge = $3.00.

Sales tax = 8.25%.

So, on adding shipping charge on cost of vase:

34.99+3.00=\$37.99.

As, given sales tax was paid on the subtotal which including the shipping charge.

Now, to get the amount paid for the vase:

<em><u>$37.99 + 8.25% of $37.99</u></em>

<em><u /></em>=37.99+\frac{8.25}{100} \times 37.99<em><u /></em>

<em><u /></em>=37.99+0.0825\times 37.99<em><u /></em>

<em><u /></em>=37.99+3.13<em><u /></em>

<em><u /></em>=\$41.12.<em><u /></em>

Therefore, the amount paid for the vase is $41.12.

6 0
3 years ago
5(4 − x) = −5x + 20 i need help
adoni [48]

Answer:

x=4

Step-by-step explanation:

-5(4-x)=-5x+20

We simplify the equation to the form, which is simple to understand

-5(4-x)=-5x+20

Reorder the terms in parentheses

+(-20+5x)=-5x+20

Remove unnecessary parentheses

-20+5x=-5x+20

We move all terms containing x to the left and all other terms to the right.

+5x+5x=+20+20

We simplify left and right side of the equation.

+10x=+40

We divide both sides of the equation by 10 to get x.

x=4

3 0
3 years ago
Read 2 more answers
there were 20 members in thr running club in september. the membership increased to 25 in october. the membership decreased back
OLga [1]

There was a decrease of 20% in membership from October to November.

Step-by-step explanation:

Step 1; To find the percent by which the running clubs membership decreased we must find the difference between the number of members in October and the number of members in November. The number of members in the club in October was 25 whereas it reduced to 20 in the month of November.

Difference in members = Number of members in October -Number of members in November = 25 - 20 = 5

Step 2; To find the percent decrease in number of members in the running club, we divide the difference in number of members by the number of members in November . We multiply this value by 100 to get it in terms of percentage.

Percent decrease in number of members =(Difference in members / number of members in November) *100

                                                                      = (5/25) * 100 = 0.20 * 100 = 20%

So number of members in the club decreased by 20% from October to November.

4 0
4 years ago
Please help this is for my son
Anuta_ua [19.1K]

Answer:

8 cookies left to be baked

Step-by-step explanation:

<u>Len</u>

Len bakes 1/3 of 30 cookies

To find 1/3 of 30, divide 30 by 3 then multiply by 1:

\implies \frac{30}{3} \times1=10 \times 1=10

Therefore, Len bakes 10 cookies

<u>Sallesh</u>

Sallesh bakes 2/5 of 30 cookies

To find 2/5 of 30, divide 30 by 5 then multiply by 2:

\implies \frac{30}{5} \times2=6 \times 2=12

Therefore, Sallesh  bakes 12 cookies

<u>Cookies left to bake</u>

To calculate how many cookies are left to bake, subtract the found number of cookies Len and Sallesh have baked from 30:

30 - 10 - 12 = 8

So there are 8 cookies left to be baked.

3 0
2 years ago
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What type of number is 0.2782
Andrej [43]
A number with a decimal

3 0
3 years ago
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