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Andreas93 [3]
3 years ago
7

Question 19 / 50

Mathematics
1 answer:
Dovator [93]3 years ago
4 0

Answer: 30%

Step-by-step explanation:

1/5th of students = 1/5 x 40 = 8

If 4 more students join, they will be (8+4) 12 students

Percentage will be 12/40 x 100 = 30%

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Input value for the function machine that gives an output value of 3.
krek1111 [17]

Answer:

x = –1

Step-by-step explanation:

From the question given above, the following data were obtained:

y = √(–2x + 7)

y = 3

x =?

The value of x can be obtained as follow:

y = √(–2x + 7)

3 = √(–2x + 7)

Take the square of both side

3² = –2x + 7

9 = –2x + 7

Collect like terms

9 – 7 = –2x

2 = –2x

Divide both side by –2

x = 2 / –2

x = –1

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3 years ago
I need help with this problem
Artist 52 [7]

Answer:

2nd answer

Step-by-step explanation:

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4 years ago
Write the equation that describes the line in slope-intercept form: slope= 4, point (3,-2) is on the line
docker41 [41]
Slope intercept form is y=mx+b
m=slope
b=y intercept

slope is 4
y=4x+b
subsitute if iin (x,y) form
so x=3 and y=-2 is one solution
subsitute
-2=4 times 3+b
-2=12+b
subtract 12 from both sids
-14=b

the equation is y=4x-14
8 0
4 years ago
What is the radius of a Ø6.75" circle? 3.375" or 3.750" or 4.375" or 6.750"
zysi [14]

Answer:4.375

Step-by-step explanation:

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What is negative 1 and one fourths times nine?
MAXImum [283]

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-11.25

Step-by-step explanation:

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