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aliya0001 [1]
3 years ago
8

Simplify 5a-3a+2a What is the answer

Mathematics
2 answers:
Bess [88]3 years ago
6 0
4a?
It says I need more characters, so I’m adding this sentence
Nina [5.8K]3 years ago
4 0

Answer:

10a

Step-by-step explanation:

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Please someone help me with this math question.
svetoff [14.1K]

Answer:

See Below.

Step-by-step explanation:

We can write a two-column proof.

<u>Statements:</u>                                                      <u>Reasons:</u>

<u />\displaystyle 1) \, \Delta ABC \text{ is isosceles with } AC = BC                Given

\displaystyle 2) \, CE = CD                                                      Given

\displaystyle 3)\, \angle ACE \cong \angle BCD                                           Vert. Angles Are Cong.

\displaystyle 4) \, \Delta ACE \cong \Delta BCD                                           SAS Congruence

\displaystyle 5)\, AE \cong BD                                                      CPCTC

8 0
3 years ago
In the equation 3a + 2(4a - 1) =9 what is the value of a
RoseWind [281]
3a + 2(4a - 1) = 9.

Distributive property.

3a + 8a - 2 = 9

Combine like terms.

11a - 2 = 9

subtract +2 on both sides.

11a - 2 = 9
+2 +2
__________________
11a = 11
/11 /11

a = 1.
5 0
4 years ago
Read 2 more answers
An object is moving in a horizontal direction only. The graph shows its velocity vs. time.
Naddik [55]
14) Distance= area under curve
=1/2*9*6= 27

15)dp/dt=F
m(v-u)/0.41=F
m(2u+u)/0.41= m*a
3u/0.41= 1/a
3/0.41= a/u= -7.31

16)v^2-u^2=-2gh
H(max)= 900/2*1.62= 278m
8 0
3 years ago
Read 2 more answers
Answers to 7 and 8 please (:
SpyIntel [72]
7) Skateboarding down a hill or a ramp. Rolling a ball on the floor. Going up and down the ramp of a moving truck. 

8) Throwing a ball into the air and then catching it. Skateboarding a half-pipe. Shooting a basketball. Hitting a baseball. 
7 0
3 years ago
Given f(1) = 2. 5 and g(2) = 8.1 + 2<br>then what is f(g(-9)) ?​
sasho [114]

Answer:

f(g(-9)) = 3.6

Step-by-step explanation:

-9 + 8.1 + 2 = 1.1

2.5  + 1.1 = 3.6

f(g(-9)) = 3.6

8 0
3 years ago
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