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dmitriy555 [2]
3 years ago
9

Megan slept for 7.5 hours. What is this in hours and minutes?

Mathematics
2 answers:
alexira [117]3 years ago
8 0
.5 means half so in an hour there is 60 mins. And 60 mins divided by 2 is 30 mins .
So 7 hours and 30 minutes

exis [7]3 years ago
7 0

Answer:

7 hours and 50 minutes

7.5 is equal to 7 hours and 50 minutes

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Help help please i will mark u brill
Roman55 [17]

Answer:

Step-by-step explanation:

u/4 + 9.9 = 16.9

Putting value of u = 24 in the equation

24/4 + 9.9 = 16.9

6 + 9.9 = 16.9

15.9 = 16.9

Bringing like terms on one

16.9 - 15.9 = 1

7 0
3 years ago
Read 2 more answers
Consider the equation x2+4x+9=0 in standard form. Which equation shows the coefficients a, b, and c correctly substituted into t
Afina-wow [57]

Answer:

<h2>x = -2+i√5 and  -2i-√5</h2>

Step-by-step explanation:

The general form of a quadratic equation is ax²+bx+c = 0

Given the quadratic equation x²+4x+9=0 in its standard form, on comparing with the general equation we can get the value of the constant a, b and c as shown;

ax² = x²

a = 1

bx = 4x

b = 4

c = 9

The quadratic formula is given as x = -b±√(b²-4ac)/2a

Substituting the constant;

x = -4±√(4²-4(1)(9))/2(1)

x = -4 ±√(16-36)/2

x = -4±√-20/2

x = -4±(√-1*√20)/2

Note that √-1 = i

x = -4±(i√4*5)/2

x = (-4±i2√5)/2

x = -4/2±i2√5/2

x = -2±i√5

The solution to the quadratic equation are  -2+i√5 and  -2i-√5

5 0
4 years ago
Kaylee has $100 to put toward purchasing a computer and plans on paying $30 a month until she pays off the value of the computer
yKpoI14uk [10]

Answer:

y=100-30x

Step-by-step explanation:

3 0
3 years ago
The figure shows five points. A point has been translated right and up. Based on the graph, which statements about the points co
REY [17]

If a point is translated right and up, then the image of the point should be to the right and up from the original point, aka the preimage.

Let's go through the choices.

A. Point D could be the image of B.

D is up and to the right of B, so yes. Select choice A

B. Point C could be the image of A.

C is below A, so no

C. Point E could be the image of C.

E is up and to the right from C so yes, Select choice C

D. Point D could be the image of A.

D is down and to the right of A so no.

E. Point E could be the image of B.

E is up and to the right of B so yes. Select choice E

F. Point C could be the image of E.

No C is down and to the left of E.

Answers: A C E

6 0
3 years ago
Read 2 more answers
Solve for w. <br> 5w+9z=2z+3w
valentina_108 [34]
The answer would be w= 7z/2 Isolate the variable but dividing each side by factors that don’t contain the variable
8 0
3 years ago
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