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Andrew [12]
4 years ago
13

6. (5y+2)+14x=5y+ (2+14x)

Mathematics
2 answers:
svetoff [14.1K]4 years ago
4 0
In my opinion it is C
lions [1.4K]4 years ago
3 0

Answer: your both wrong its A i took the test

A. associative property of addition

your welcome


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Write 333 ones 444 tenths and 222 hundredths as a decimal.
8090 [49]
333.
44.4
2.22 
lol it confused me first
4 0
4 years ago
Find the distance between the points (-3, 9) and (6,-5). Round the answer to the nearest tenth.
inna [77]

Answer:

D. 16.6

Step-by-step explanation:

Here we are given with two coordinates and asked to determine the distance between them.

Here we are going to use the distance formula, which is given as under

D=\sqrt{(y_2-y_1)^2+(x_2-x_1)^2}

Where

(x_1,y_1) = (-3,9)

(x_2,y_2) = (6,-5)

Replacing these values in the distance formula

D =\sqrt{(-3-6)^2+(9-(-5))^2}

D =\sqrt{(-9)^2+(9+5)^2}

D =\sqrt{(-9)^2+(14)^2}

D =\sqrt{81+196}

D =\sqrt{277}

D= 16.6433

Hence the Distance is 16.60 units

6 0
4 years ago
A collection of quarters and dimes is worth $12.40. There are 67 coins in all.
padilas [110]
Let:
x= quarters
y= dimes


x+y=67
and
.25x+.10y=12.40

x=67-y

.25(67-y)+.10y=12.40
16.75-.25y+10y=12.40
16.75-.15y=12.40
Lets rearrange this:
-.15y+16.75=12.40
        -16.75    -16.75
-.15y=-4.35
the negatives cancel out
.<u>15y</u>=<u>4.35
</u>.15<em /><em>     <u /></em>.15
y=29

Back to the original x=67-y
x=67-29
x=38

So,
x=38
y=29
<em />
5 0
4 years ago
2. The following triangle, ∆, has angle measures as shown.
klio [65]

Answer:

x=29. Angle C= 93

Step-by-step explanation:

3(x+2)= 3x+6.

3x+6+52+35= 3x+93.

180-93=87.

87/3= 29. So that means x=29.

for proof you can do 3(29)+93 and you'll get 180.

For angle C; 3(29+2)= 3x31. 31x3= 93.  

Angle C= 93 degrees.

6 0
3 years ago
10x-6x-4-1=7-12+2x+2x
Leviafan [203]

Any value of

x

makes the equation true.

Always true

Interval Notation:

(−∞,∞)

4 0
3 years ago
Read 2 more answers
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