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Verizon [17]
3 years ago
7

Subtract. Then, in two or more complete sentences, explained how you found the difference. In your explanation, make sure to inc

lude any equivalent expressions you wrote, any rules you used, and the answer.
-1 5/12 - 7/12

please help a girl out
Mathematics
2 answers:
Ksenya-84 [330]3 years ago
6 0

Answer:

-2

Step-by-step explanation:

the reasoning behind this is because it is negative and negative so negative plus negative equal still negative and 5+7 = 12 so just add that denominator under it and then you get 12/12 which can be turned into 1 so then -1-1= -2

Nataliya [291]3 years ago
5 0
7/12 - 1 5/12 = 7-5 = 2
= 1 2/12 ( the whole came from 1 5/12 )
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Megan baby-sat this weekend. She earned $12 an hour plus an additional $32. If she made a total of $140, how long did she work?
Hunter-Best [27]

Answer:

9 hours

Step-by-step explanation:

12x+32=140

so

140-32=108

108/12= 9

x=9

6 0
3 years ago
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The total third grade class is twice as large as Hillary’s and Jamiz’s classes. How many third graders are there?
Harman [31]
Um how big is hillarys and jamizs classes
6 0
4 years ago
The standard form of the equation of a parabola is y= x2 - 6x + 14.
Bas_tet [7]
<h3><u>Option C</u></h3><h3><u>The vertex form of the equation is:</u></h3>

y = (x - 3)^2 + 5

<em><u>Solution:</u></em>

<em><u>The vertex form of equation is given as:</u></em>

y = a(x- h)^2 + k

Where, (h, k) is the vertex

Given that,

y = x^2 - 6x + 14

We have to find the vertex form of equation

Step 1:

Complete the square for x^2 - 6x + 14

\text{ Use the form } ax^2 + bx + c \text{ to find values of a, b, c }

a = 1

b = -6

c = 14

Consider the vertex form of a parabola.

a(x + d)^2 + e ----- eqn 1

Substitute the values of  a and b into following:

d = \frac{b}{2a}\\\\d = \frac{-6}{2 \times 1}\\\\d = -3

Find the value of "e" using following formula:

e = c - \frac{b^2}{4a}\\\\e = 14 - \frac{(-6)^2 }{4 \times 1}\\\\e = 14 - 9\\\\e = 5

Substitute the values of a, d, e in eqn 1

y = 1(x -3)^2 + 5\\\\y = (x - 3)^2 + 5

Thus vertex form form is found. Option C is correct

3 0
3 years ago
The ratio of a to b is 3:5. If angle b 85° what is the size of angle C?
Veronika [31]

Answer: 51°

Step-by-step explanation:

3:5

x:85°

85/5=17

3x17=51

So, 51° is the answer!

Hope this helped! ;)

8 0
3 years ago
Read 2 more answers
Carol and Jan leave from the same place and travel on the same road going the same direction. Carol walks at a rate of 2 miles p
kramer
Let, the time when <span>Jan cough up to Carol = x

We know, Distance = Speed * Time.

So, Equation would be: 2x + 5*2 = 6x

2x + 10 = 6x

6x - 2x = 10

4x = 10

x = 10/4 = 2.5

Distance traveled in that time = 2.5 * 6 = 15 miles

In short, Your Answer would be: 15 miles

Hope this helps!</span>
7 0
4 years ago
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