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s2008m [1.1K]
2 years ago
8

Question 4

Mathematics
2 answers:
natali 33 [55]2 years ago
8 0
0 2 gallons is the answer
ICE Princess25 [194]2 years ago
6 0

Answer:

There is a little over 1 gallon

Step-by-step explanation:

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I need help with this please.
SSSSS [86.1K]

Answer:

f )  x+72=90(complementary angle)

x= 90-72

x=18

g )x+77=90

x=90-77

x=13

plz give me thanks

7 0
3 years ago
If a polynomial has one root in the form a+√b , it has a second root in the form of a_√b
gulaghasi [49]
When roots of polynomials occur in radical form, they occur as two conjugates.
That is,
The conjugate of (a + √b) is (a - √b) and vice versa.
To show that the given conjugates come from a polynomial, we should create the polynomial from the given factors.

The first factor is x - (a + √b).
The second factor is x - (a - √b).

The polynomial is
f(x) = [x - (a + √b)]*[x - (a - √b)]
      = x² - x(a - √b) - x(a + √b) + (a + √b)(a - √b)
      = x² - 2ax + x√b - x√b + a² - b
      = x² - 2ax + a² - b

This is a quadratic polynomial, as expected.

If you solve the quadratic equation x² - 2ax + a² - b = 0 with the quadratic formula, it should yield the pair of conjugate radical roots.
x = (1/2) [ 2a +/- √(4a² - 4(a² - b)]
   = a +/- (1/2)*√(4b)
   = a +/- √b
x = a + √b, or x = a - √b, as expected.
3 0
3 years ago
Read 2 more answers
Express this to the nearest whole .
RSB [31]

Answer:

its 30 the a in thst problem is silents

Step-by-step explanation:

3 0
2 years ago
Please show your work! I’ll mark you brainlist!
melamori03 [73]

Answer:

105 feet or inches^2

Step-by-step explanation:

First we find the surface area of the base, (or the square.)

That is 25.

Next we find the areas of the triangle which is: \frac{1} {2} base×height

The area of one triangle is 20, so we multiply it by 4.

That is 80.

Finally, we add both surface area to find the total surface area.

That is 80 + 25 = 105

Hope that helped!

8 0
3 years ago
Emily bought some ice cream cones which cost $24. she paid $m and got back $6 of change. Find m​
maria [59]

Answer:

m = 30

Step-by-step explanation:

total = 24

m = amount paid

change = 6

m - 6 = 24

<u>      +6    +6</u>

m = 30

<em><u>Hope this helped! Have a nice rest of ur day! Plz mark as brainliest!!!</u></em>

<em><u>-Lil G</u></em>

7 0
2 years ago
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