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3 years ago

Help with the his question

Mathematics

1 answer:

guajiro [1.7K]3 years ago

5 0

Answer:

The variable is b books and the equation is gonna be 12b + 16 = 120

Step-by-step explanation:

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Evaluate the summation of 3 n plus 2, from n equals 1 to 14..

Ulleksa [173]

Summation of 3n + 2 from n = 1 to n = 14 = (3(1) + 2) + (3(2) + 2) + (3(3) + 2) + . . . + (3(14) + 2) = 5 + 8 + 11 + ... + 44 ia an arithmetic progression with first term (a) = 5, common difference (d) = 3 and last term (l) = 44 and n = 14
Sn = n/2(a + l) = 14/2(5 + 44) = 7(49) = 343

Therefore, the required summation is 343.

8 0

3 years ago

Read 2 more answers

Can y'all help me? Please

Marta_Voda [28]

Step-by-step explanation:

lois need to sell 504 pies to get this amount.

6 0

3 years ago

Someone help me ASAP pleasssse

SpyIntel [72]

Answer:

A) I

Step-by-step explanation:

C is in 4th vertex and if moved 4 units it wii be in 1st vertex.

5 0

4 years ago

shira was riding the screamer when it broke down. her seat was 53 jorizontal feet from the central support pole. What was her se

ki77a [65]

Answer:

The possible solutions are 58 degree, 122 degrees, 302 degrees and 238 degrees

Step-by-step explanation:

Please see the attachment

From the figure, it is evident that

cos AOB = OB/OA = 53/100 = 0.53

Thus, cos-1 (0.53) = 58 degrees

AOB = 58 degree

Also, there are can be other values depending on the quadrants

COB = 180 -58 = 122 degrees

FOB = 360 -58 = 302 degrees

EOB = 180 + 58 = 238 degrees

5 0

3 years ago

How do you solve for y?

ss7ja [257]

I’m pretty sure you just solve exactly like that
-7(-2)-1 =13 at least I’m told that \_( •-• )_/

4 0

3 years ago