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Ivahew [28]
3 years ago
14

I will give you brianly look i want to know a+b=??

Mathematics
2 answers:
mr Goodwill [35]3 years ago
7 0

Answer:

c

Step-by-step explanation:

nignag [31]3 years ago
4 0

Answer:

The answer is C

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Is 18/30 and 3/5 equivalant
lbvjy [14]

Answer: Yes 18/30 is equivalent to 3/5 heres the picture

8 0
2 years ago
A large pizza at Palanzio’s Pizzeria costs $6.80 plus $0.90 for each topping.
Nookie1986 [14]

Answer:2

Step-by-step explanation:

.9x+6.8

.65x+7.3

Find x by graphing it

3 0
3 years ago
Read 2 more answers
4 questions 20 points
Dvinal [7]
1. Cross multiply
35x = 5(11)
35x = 55
Divide both sides by 35
x = 55/35
x = 11/7

2.  (x - 2)/x = 3/8
Cross multiply
3x = 8(x - 2)
3x = 8x - 16
Subtract 8x from both sides
-5x = -16
divide both sides by -5
x = -16/-5
x = 16/5 OR  3 1/5

3.  (a + 1)/(a - 1) = 5/6
cross multiply
6(a + 1) = 5(a - 1)
distribute
6a + 6 = 5a - 5
subtract 5a from both sides
a + 6 = -5
subtract 6 from both sides
a = -11

4.  (1/3)x - 4 = (2/3)x + 6
multiply each term by 3 to clear the fractions
x - 12 = 2x + 18
subtract x from both sides
-12 = x + 18
subtract 18 from both sides
-30 = x


3 0
3 years ago
Two equal ratios are called a
Shtirlitz [24]
I think 2 equal ratios are called a <u>proportion</u>
6 0
3 years ago
Read 2 more answers
A regression by a sample of 10 observations gives: Score=49.5+1.96 Study Hours. The sample mean of study hour is 10.5 and sum of
amm1812

Answer:

0.1463

Step-by-step explanation:

Number of observations = 10

Sample mean = 10.5

Sum of standard deviation = 264.5

X = 14

We are to calculate The leverage statistic for study hour 14 using the data above

= 1/10 + (14-10.5)²/264.5

= 1/10 + 3.5²/264.5

= 0.1 +12.25/264.5

= 0.1+0.04631

= 0.1463 is the leverage statistic for the study

4 0
3 years ago
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