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Fittoniya [83]
3 years ago
5

URGENT!!!The number of questions on a math test is represented (3x+1). The number of questions on a spelling test is represented

by (x+12). Write an expression to find how many more questions were on the math test. Then evaluate the expression if the value of x is 8.
Mathematics
1 answer:
timama [110]3 years ago
7 0
(3x+1)-(x+12)

(24+1)- 20

25-20=5

5 more questions
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Plz help math question
Lina20 [59]

Answer:

y = -2x +20

6x - 5y = 12

Put the value of y in 2nd equation

6x - 5( -2x +20 ) = 12

6x +10x -40 = 12

16x = 12 +40

16x = 52

x = 13/4

Putting the value of x in equation 1

y = -2x +20

y = -2(13/4 ) +20

y = 27/2

Do mark me as brainly. THANKS

6 0
3 years ago
Ron started the day with a score of +12.
Naily [24]

+ 12 - 4 + 3 - 15

= 12 + 3 - 4 - 15

=     15   -   19

= - 4

8 0
2 years ago
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Illusion [34]

for 6

in a

given

slope(m)=1

point=(2,-4)=(x1,y1)

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substituting with ax+by+c=0 we get

a=1

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3 years ago
Which expression shows you how you can use mental math to simplify the expression (53 + 23) + 7 most easily? A. 7 + (23 + 53) B.
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Answer:

C. 53 + (23 + 7)

Step-by-step explanation:


4 0
3 years ago
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Which wave would have the higher pitch? Question 7 options: B A
Arte-miy333 [17]
A. would have the highest pitch because the sound vibration are close together and it would also be the fastest. B is incorrect because the sound waves are very which would give it a deeper voice and it would be the slowest 

Hope this helps
8 0
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