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ser-zykov [4K]
2 years ago
10

Which equation models the problem below if c represents the number of babies whose eyes are closed?

Mathematics
1 answer:
PilotLPTM [1.2K]2 years ago
7 0

Answer:

there are three babies with closed eyes

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Is this right? Solve the equation. Show your work. 45 = 3b + 69 45- -45 3b 24 3b 24/3 =8 b = 8
Sati [7]
45=3b+69 \\  \\ 3b=-24 \\  \\ b=-8
8 0
2 years ago
5/6-1/8 Solve by finding a common denominator<br><br> A)30/48<br> B)34/48<br> C)38/48<br> D)42/48
GrogVix [38]

Answer:

  B)  34/48

Step-by-step explanation:

The easiest common denominator to find is the product of the denominators you have.

__

The difference is ...

  \dfrac{5}{6}-\dfrac{1}{8}=\dfrac{5}{6}\cdot\dfrac{8}{8}-\dfrac{1}{8}\cdot\dfrac{6}{6}\\\\=\dfrac{40-6}{48}=\boxed{\dfrac{34}{48}}

__

<em>Additional comment</em>

The difference numerator and denominator have a common factor of 2, so can be reduced to 17/24. The denominator 24 could have been used as the common denominator from the start.

  5/6 -1/8 = 20/24 -3/24 = 17/24 . . . . reduced result

__

Using the <em>least common denominator</em> does not always result in a reduced sum or difference. If some other denominator is used (as here), then you can be assured that the result will need to be reduced to get to lowest terms.

8 0
2 years ago
Some one plz help me
Deffense [45]

Answer:

Given:

- angle: E

- opposite-leg : 3

- adjacent - leg: 4

- hypotenuse: 5

sin(E) = opposite-leg / hypotenuse = 3 / 5

Answer: 3 / 5

Step-by-step explanation:

Brainliest?

5 0
2 years ago
Read 2 more answers
Use the quadratic formula to find the exact solutions of x2 − 9x + 5 = 0.
Diano4ka-milaya [45]

Answer:

Step-by-step explanation:

All those words, when the math is so much clearer!

x = (9±√(9^2-4*1*5))/2 = (9±√101)/2

7 0
3 years ago
Read 2 more answers
(Algebra II) Standard Form of a Quadratic Function - I'm having trouble with two questions on this quiz? Please don't just give
anastassius [24]
1.
the x value of the vertex in form
ax^2+bx+c=y
is
-b/2a
so

-2x^2+8x-18
x value of vertex is
-8/(2*-2)=-8/-4=2

plug it in to get y value
-2(2)^2+8(2)-18
-2(4)+16-18
-8-2
-10

vertex is at (2,-10)
or you could complete the square to get into y=a(x-h)^2+k, where the vertex is (h,k)
so as follows
y=(-2x^2+8x)-18
y=-2(x^2-4x)-18
y=-2(x^2-4x+4-4)-18
y=-2((x-2)^2-4)-18
y=-2(x-2)^2+8-18
y=-2(x-2)^2-10
vertex is (2,-10)






5.
vertex is the time where the speed is the highest
at about t=10, the speed is at its max
6 0
3 years ago
Read 2 more answers
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