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jasenka [17]
3 years ago
14

It says to find the value of x is this right?

Mathematics
2 answers:
dalvyx [7]3 years ago
8 0
The answer is x equals 42.
ss7ja [257]3 years ago
6 0

Yes, because

3x-2+55+85 = 180

138+x = 180

x = 42

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A cookie recipe requires 3/4 cup of flour to make 1.5 dozen cookies. How much flour is needed to make 1 dozen cookies
NISA [10]

Answer:

half a cup of flower -> 1/2

Step-by-step explanation:

i used a proportion to figure this out.

6 0
3 years ago
Someone help me please
Black_prince [1.1K]

Answer:

C.

Step-by-step explanation:

Line CD has a slope of -5/3 and the negative reciprocal of 3/5. The slope for the line given is 3/5 so the slopes are right. Then look at the y-intercept of the line given: (0,-2)     Go up 3 and over 5 and you can see it pass through the line CD making C the answer.

5 0
2 years ago
Question 1 (Essay Worth 1 points) Which of the following expressions are equivalent to –3.5(2 – 3n) – 2.5n? A: –7 – 8n B: –7 + 8
zzz [600]
B is the anwser that I got
5 0
3 years ago
HELP PLEASE ASAP<br> what is the mean of 210,160,200 ?
MrRissso [65]
To find the mean, add all the numbers then divide by the amount of numbers there are to find the average.

210+160+200=570

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Answer: 190 



5 0
3 years ago
Read 2 more answers
Select the correct answer. What are the solutions of this quadratic equation? -3x2 + 1 = 3x − 2
lara31 [8.8K]

Answer: Answer:

x

=

−

1

2

+

−

1

2

5

or

x

=

−

1

2

+

1

2

5

Step-by-step explanation:

Let's solve your equation step-by-step.

−

3

x

2

+

1

=

3

x

−

2

Step 1: Subtract 3x-2 from both sides.

−

3

x

2

+

1

−

(

3

x

−

2

)

=

3

x

−

2

−

(

3

x

−

2

)

−

3

x

2

−

3

x

+

3

=

0

Step 2: Use quadratic formula with a=-3, b=-3, c=3.

x

=

−

b

±

b

2

−

4

a

c

2

a

x

=

−

(

−

3

)

±

(

−

3

)

2

−

4

(

−

3

)

(

3

)

2

(

−

3

)

x

=

3

±

45

−

6

x

=

−

1

2

+

−

1

2

5

or

x

=

−

1

2

+

1

2

5

8 0
2 years ago
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