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Elodia [21]
3 years ago
14

I don't understand this

Mathematics
1 answer:
Deffense [45]3 years ago
7 0
Don't understand what?
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????????????????vbzjjzjdvdu
Romashka-Z-Leto [24]

Answer:

A

Step-by-step explanation:

There is an empty dot on 4, meaning b is not equal to 4.

The arrow is going to the left of 4, so it means that b is less that four.

Hope that helps!

3 0
2 years ago
Read 2 more answers
What is the volume of a sphere with the radius of 4 inches? use 3.14 for pi
harkovskaia [24]

Answer: 268.1

Step-by-step explanation:

V = (4/3) 3.14 (4) to the power of 3

5 0
3 years ago
Use the formula aequals upper p left parenthesis 1 plus r right parenthesis superscript t to find the rate r at which ​$3000 com
hichkok12 [17]
The answer is 7,323 al you have to do is pay atention
7 0
3 years ago
Read 2 more answers
Solve the system of equations. y=23x–19 x2–y= – 6x–23 Write the coordinates as integers, simplified proper or improper fractions
forsale [732]

Answer:

(3, 50) and (14,303)

Step-by-step explanation:

Given the system of equations;

y=23x–19 ....1

x²–y= – 6x–23 ...2

Substitute 1 into 2;

x²–(23x-19)= – 6x–23

x²–23x+19= – 6x–23 .

x²-23x + 6x + 19 + 23  = 0

x² - 17x + 42 = 0

Factorize;

x² - 14x - 3x + 42 = 0

x(x-14)-3(x-14) = 0

(x-3)(x-14) = 0

x = 3 and 14

If x = 3

y = 23(3) - 19

y = 69-19

y = 50

If x = 14

y = 23(14) - 19

y = 322-19

y = 303

Hence the coordinate solutions are (3, 50) and (14,303)

8 0
3 years ago
A man wants to paint his room with an area of 515 square feet. He mixses the following paints to make a shade of green
larisa [96]
About 3 gallons of blue paint will be needed because if you add 175+175 it equals 350 and then add another 175 it equals 525. 
6 0
3 years ago
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