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vredina [299]
3 years ago
5

(please help asap!)

Mathematics
1 answer:
Pachacha [2.7K]3 years ago
5 0

Answer:

Step-by-step explanation:

22.50-3.75=18.75

r ≤ 14

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Jenna is writing a check to her vehicle registration office for $100.42. How should she pull out this amount in the "written amo
Angelina_Jolie [31]

Answer:

100 42/100

Step-by-step explanation: you put the change as a fraction

3 0
3 years ago
9. How many gallons of paint will you need to buy if you are painting a room that is 30 ft by
pentagon [3]

Answer:

To paint the room with dimension 30 ft by 50 ft by 50 ft is 26.67 gallon    

Step-by-step explanation:

Given as :

The Length of wall = L = 50 ft

The width of wall   = W = 30 ft

The height of wall  = H = 50 ft

Each gallon of paints should cover 300 sq feet

Let the amount o gallon required to paint the room = x

SO, Area of four wall = 2 × ( L + W ) × H

Or, Area of four wall = 2 × ( 50 + 30 ) × 50

Or, Area of four wall = 2 × ( 80 ) × 50

SO, Area of four wall = 8000  ft²

∵ To paint 300 sq ft the amount of paint required = 1 gallon

∴ To paint 8000 sq ft the amount of paint required = 26.67 gallon

Hence ,to paint the room with dimension 30 ft by 50 ft by 50 ft is 26.67 gallon      answer  

6 0
4 years ago
What are the greatest common factor for 45 and 60
viva [34]
To find the Greatest Common Factor of 45 and 60, we do the following:

Find the Factors of 45 & 60.
45: 1, 3, 5, 9, 15, 45
60: <span>1, 2, 3, 4, 5, 6,10, 12, 15, 20, 30, 60

As you can see, 15 is the greatest common factor.</span>
7 0
4 years ago
How to solve 10(x+4)(x-4)
IceJOKER [234]

Answer:

1 Use Difference of Squares:

a^2-b^2=(a+b)(a−b).

10(x^2-4^2)

2 Simplify 4^2 to 16

10(x^​2​​ −16)

3 Expand by distributing terms.

10x^​2 −160

Step-by-step explanation:

Hope dis helps and pls  mark me as brainlist!!!

§ALEX§

4 0
4 years ago
A random sample of 10 single mothers was drawn from a Obstetrics Clinic. Their ages are 22, 17, 27, 20, 23, 19, 24, 18, 19, and
Sever21 [200]

Answer:

The two-tailed P value equals 0.2308

 By conventional criteria, this difference is considered to be not statistically significant.

Step-by-step explanation:

Given is a random sample of 10 single mothers

the ages are given as

22, 17, 27, 20, 23, 19, 24, 18, 19, and 24 years

H0: Mean = 20

Ha: Mean not equals 20

(two tailed test at 5% significance level)

The hypothetical mean is 20.00

The actual mean is 21.30

The difference between these two values is 1.30

The   95% confidence interval of this difference:

From -0.99 to 3.59

 t = 1.2851

 df = 9

 standard error  = 1.012

The two-tailed P value equals 0.2308

 By conventional criteria, this difference is considered to be not statistically significant.

6 0
3 years ago
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