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Svetlanka [38]
2 years ago
5

Three multiplied by two plus four times nine divided by three

Mathematics
2 answers:
lys-0071 [83]2 years ago
5 0
A=14
(3*2)+(4*9)/3 do the parentheses first then add then divide
Fed [463]2 years ago
4 0

Answer:

18

Step-by-step explanation:

We will use PEMDAS to solve this.

First lets write our problem out so it is easier to solve:

3 x 2 + 4 x 9 divided by 3= ?

Using the rule of PEMDAS, we start with multiplication because there are no parenthesis or exponents.

3 x 2 + 4 x 9 divided by 3= ?

^ 6         ^36        

So now our equation looks like this:

6+36 divided by 3

Next we divide (6 + 36 divided by 3= ?):

36 divided by 3 = 12

So our equation is down to 6+12

To solve just do simple addition. 6+12=18

So the answer is 18

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Money is put into two accounts. Account A earns 3.5% interest annually, and account B eanrs 2.6% interest annually. Assuming $20
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3 0
2 years ago
Calculate S58 for the arithmetic sequence {an}= {5/6n+1/3} If you could show me the steps that would be great. I keep following
Amanda [17]

Answer is 8671/6 which is the third choice

===================================

Work Shown:

Find the first term of the sequence by plugging in n = 1

a_n = (5/6)*n + 1/3

a_1 = (5/6)*1 + 1/3    replace n with 1

a_1 = 5/6 + 1/3

a_1 = 5/6 + 2/6

a_1 = 7/6

Repeat for n = 58 to get the 58th term

a_n = (5/6)*n + 1/3

a_58 = (5/6)*58 + 1/3    replace n with 58

a_58 = (5/6)*(58/1) + 1/3

a_58 = (5*58)/(6*1) + 1/3

a_58 = 290/6 + 1/3

a_58 = 145/3 + 1/3

a_58 = 146/3

Now we can use the s_n formula below with n = 58

s_n = (n/2)*(a_1 + a_n)

s_58 = (58/2)*(a_1 + a_58)    replace n with 58

s_58 = (58/2)*(7/6 + a_58)   replace a_1 with 7/6

s_58 = (58/2)*(7/6 + 146/3)   replace a_58 with 146/3

s_58 = (58/2)*(7/6 + 292/6)

s_58 = (58/2)*(299/6)

s_58 = (58*299)/(2*6)

s_58 = 17342/12

s_58 = 8671/6


5 0
2 years ago
Find the value of a and explain
Irina-Kira [14]

Answer:

D

Step-by-step explanation:

The triangle is an isosceles triangle which means that two sides are the same, A is the same size of the equal side so A is D.

3 0
3 years ago
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Find the measure of each interior angle and each exterior angle of the indicated regular polygon. 25-gon
Katena32 [7]

Each exterior angle of a regular 25-gon = 360/25 = 14.4 deg. and each interior angle= 165.6 deg.

6 0
2 years ago
Read 2 more answers
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