MATHEMATICS HIGH SCHOOL

Help me with the two last questions

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Answer 1

Answer:

Answer:

first problem: 1,2,4

second problem: D

Step-by-step explanation:

A. f(n) = -7 +4 (n-1)

Step-by-step explanation:

$a_1=-7\,,\ a_2=-3\,,\ a_3=1\,,\ a_4=5\,,\ a_5=9...\implies d=4$

{-3-(-7)=4 and 1-(-3)=4 and 5-1=4 and 9-5=4}

An arithmetic sequence is: $a_n=a_1+(n-1)d$

$a_1=-7\quad and\quad d=4$

$a_n=-7+(n-1)\cdot4$

So:

$f(n)=-7+4(n-1)$

Calculate the number of eggs in 3.25 dozen. Report your answer using the appropriate number of significant figures.

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The number of eggs in 3.25 dozen will be 39.

What is multiplication?

Multiplication is the process of determining the product of two or more numbers in mathematics. A product, or an expression that specifies factors to be multiplied, is what happens when you multiply two numbers in mathematics.

Given that there are 3.25 dozens of eggs. The number of the eggs will be calculated as below:-

There are 12 numbers in a dozen. To calculate the number of eggs multiply the numbers 3.25 and 12.

Number of eggs = 3.25 x 12

Number of eggs = 39

Therefore, the number of eggs in 3.25 dozen will be 39.

To know more about multiplication follow

brainly.com/question/10873737

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Hi,

One dozen of eggs = 12 eggs.

$3.25\cdot 12 =(3+0.25)\cdot 12=3\cdot 12 +0.25\cdot12=36+\frac{12}4=36+3=39\;eggs.$

Green eyes.

How many solutions does the equation -2 + 2y + 3 = 3a) none
b) one
c) infinity
d) three

Answers

Answer:

one

Step-by-step explanation:

y=1

hope this helps

Answer:

one

Step-by-step explanation:

Geometry A Problem! Help! Line AC

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the formula is: (AB +BC) * BC = EC*DC
now fill in the numbers that are given:

(AB +6)*6 = 12*5

(AB+6)*6 = 60

6AB +36 = 60

6AB = 24

AB = 24/6

AB = 4

AC = AB +BC
AC = 4 + 6

AC = 10

Help me with the two last questions

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A. f(n) = -7 +4 (n-1)

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What is multiplication?

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