1.What is the value of the expression? 12+62
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18-35

2.What is the value of the expression when a = 6, b = 4, and c = 8?
2a
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3b-c

3.What is the value of the expression when a = 6 and b = 4?
14a- 2(3b + 4)

4.Which word phrases can be modeled by the expression?

4n + 5

Choose exactly two answers that are correct.

A.
five added to the quotient of 4 and a number

B.
the product of 4 and a number increased by 5

C.
four times the sum of a number and 5

D.
five more than the result of multiplying 4 by a number

5.Which variable expression represents the word phrase?

seven decreased by the sum of a number and four

A.
7 – (m + 4)

B.
(m + 4) – 7

C.
7 – (m – 4)

D.
7 – m + 4

Answers

Answer 1

Answer: 1. Answer=8
(12+6*2)/(8-3*5)=(12+12)/(18-15)=(24)/(3)=8

2.Answer=3
(2*6)/(3*4-8)=12/(12-8)=12/4=3

3.Answer=52
14*6-2(3*4+4)=84-2(12+4)=84-2(16)=84-32=52

4.Answer=A&B

5.Answer=A

Answer 2

Answer:

Answer:

The answer is d

Step-by-step explanation:

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X/5=a for x show work

It takes 10 minutes to bake a batch of cookies. You need to bake 7 batches of cookies. How long will it take to bake all the cookies?

Answers

You know 1 batch of cookies = 10 minutes

Now, 7 batch of cookies = ?
To do this just do 7×10=70.
So the answer is 70 minutes = 7 batch of cookies.

You can also set up a proportion.

10 x
__ = ____
1 7

Cross multiply and 7×10=70 and 10x. So now its like this.
70= 10x
÷10 ÷10
_________
7=x

So the answer is 7.

Please help me with my homework

Answers

Answer:

6 x 10^-6 is a greater value

2 x 10^-8 is the lesser value

I'm not sure about the third one

A) 1st one

B) 2nd one

C) and im too lazy to do c

Cosx-Cos2x=0
Solve. I'm not sure if I'm getting the right answers

Answers

$cos(2x)= 2cos^2(x)-1\n \n cos(x)-cos(2x)=0 \n cos(x)-(2cos^2(x)-1)=0 \n -2cos^2(x)+cos(x)+1=0 \n 2cos^2(x)-cos(x)-1=0 \n (2cosx+1)(cosx-1)=0 \n \n 2cos(x)+1=0 \n cos(x)= - (1)/(2) \n x= \pm arccos(- (1)/(2) )+2 \pi k~~~k\in Z \n arccos(- (1)/(2) )= (2 \pi )/(3) \n x=\pm (2 \pi )/(3)+2 \pi k~~~k\in Z \n \n$

$cos(x)-1=0 \n cos(x)=1 \n x= 2\pi k~~~k \in Z$

In the figure below, AC and BE are diameters of circle P.What is the arc measure of D BE in degrees?
(4w + 8)
2w +11)
(4w + 4)

Answers

Answer: the answer to this question is 39 degrees.

Step-by-step explanation:

1Solve this quadratic using two different
methods. Show both methods.
x2 + 4x - 5 = 0

Answers

Answer:

x = -5 or x = 1

Step-by-step explanation:

$x^(2) + 4x - 5 = 0\n(x+5)(x-1)=0\n$

Why is 1/6 greater than 1/8 but less than 1/3??

Answers

1/6 is greater than 1/8 but less than 1/3 because: think of 1 slice taken away from a pizza with 6 slices, now think of 1 slice taken away from a pizza with 8 slices. Do the same with the last pizza. Think how much space was taken away from each pizza.

An easy way to see us cross multiply
If you do 1/6 has the higher number 8>6
For next one 1/3 has the greater number 3<6

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BRAINLY find the value of the x

Which of the following scenarios exhibits a function relation? Take the first set listed to be the domain of the relation.the set of tree heights and the set of trees in a forestthe set of car make and models and the set of people in a certain townthe set of birthdays and the set of students in a classthe set of people with Social Security cards and the set of Social Security numbers