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babymother [125]
3 years ago
5

25 POINTS! Find the value of x

Mathematics
1 answer:
elena-s [515]3 years ago
5 0

Answer:

x=7

Step-by-step explanation:

18x-3=17x+4

simplify

×=7

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Line segment Y A is an altitude of ΔXYZ. What is the length of Line segment Y A?
worty [1.4K]

Answer:

A on edge

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
In 1990, the cost of tuition at a large Midwestern university was $99 per credit hour. In 2003, tuition had risen to $268 per cr
vodka [1.7K]

Answer:

63%

Step-by-step explanation:

<em>From the question, we aim to find the percent increase in the tuition</em>

Given data

initial cost= $99 per credit hour

Final cost=  $268 per credit hour

% increase= (Final - initial )/initial *100

substitute

% increase= (268- 99 )/268 *100

% increase= 169 /268 *100

% increase= 0.630*100

% increase= 63%

Hence the increase in the tuition from 1990 to 2003 is 63%

5 0
2 years ago
Work out the answers to <br>a) 7 × (-4)<br>b) (-6) × 8<br>c) (-5) x (-9)​
kow [346]
A)-28
B)-48
C)45
Hope this helps :)
6 0
3 years ago
Can somebody please help​
NISA [10]

Answer:

dont know

Step-by-step explanation:

i dont know give points pls

4 0
2 years ago
Pls solve. Showing your work is suggested.
allsm [11]

Answer:

Part 3) Miguel scored 29 points and Alonzo scored 25 points

Part 4) Morgan's age is 14 1/2 years and Mr Santos' age is 29 1/2 years

Step-by-step explanation:

Part 3) Let

x ----> the number of points that Miguel scored

y ---> the number of points that Alonzo scored

we know that

x+y=54 ----> equation A

x=y+4 ----> equation B

substitute equation B in equation A and solve for y

(y+4)+y=54\\2y=54-4\\2y=50\\y=25

Find the value of x

x=25+4=29

the solution is the point (29,25)

That means ----> Miguel scored 29 points and Alonzo scored 25 points

Part 4) Let

x ----> Morgan's age

y ---> Mr Santos' age

we know that

x+y=44 -----> equation A

x=y-15 ----> equation B

substitute equation B in equation A and solve for y

(y-15)+y=44\\2y=44+15\\2y=59\\y=29.5

Find the value of x

x=29.5-15=14.5

the solution is the point (14.5,29.5)

That means ----> Morgan's age is 14 1/2 years and Mr Santos' age is 29 1/2 years

3 0
3 years ago
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