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3 years ago

How to change numbers into decimals using common core standards?

1 answer:

4 0

Assuming you are talking about converting fractions to decimals, divide the numerator (top number) by the denominator (bottom number). If it isn't one you can solve in your head, use long division.

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Can someone please help me with 44. And 45?

Angelina_Jolie [31]

Problem 44

The term "bisect" means "cut in half".

Since BD bisects angle ABC, this means the smaller angles ABD and DBC are congruent.

angle ABD = angle DBC

x+15 = 4x-45

15+45 = 4x-x

60 = 3x

3x = 60

x = 60/3

x = 20

<h3>Answer: x = 20</h3>

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

Problem 45

We use the same idea as the previous problem

angle ABD = angle DBC

2x+35 = 5x-22

35+22 = 5x-2x

57 = 3x

3x = 57

x = 57/3

x = 19

<h3>Answer: x = 19</h3>

6 0

2 years ago

Read 2 more answers

If f(x) = 2x - 4 and g(x) = x^2+3, find each value.<br><br> 19. (f - g)(x)<br> 20. (f • g)(x)

just olya [345]

Step-by-step explanation:

$(f - g)(x) = f(x) - g(x) \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = (2x - 4) - ( {x}^{2} + 3) \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 2x - 4 - {x}^{2} - 3 \\ \red{ \boxed{\therefore (f - g)(x) = - {x}^{2} + 2x - 7}}$

5 0

2 years ago

State the exact value of tan(pi/2)

Vlad [161]

J is between H and K.if HJ =4t -15 ,JK=5t-6, and KH=15,find JK.

6 0

3 years ago

Cate and elena were playing cards

Delicious77 [7]

There were...
11cards left.
heres why.
they started with 24 cards....
so...
24+8=32
32-12=20
20-9=11

Hope i helped!!! :)
Mark me as brainliest if i helped XD

6 0

2 years ago

Choose the correct proportions.<br><br> 4, 1, 2, 2<br><br> a) 1:2 = 2:4<br> b) 1:4 = 2:2

Grace [21]

Answer:

Step-by-step explanation:

5 0

3 years ago