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2 years ago

15

Two-thirds had their picture taken. If 124 had their picture taken, how many total?

1 answer:

Vesna [10]2 years ago

6 0

Answer:

186

Step-by-step explanation:

1/3 would be 62. You get it by dividing 124 by 2.

Add the 62 onto 124

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You can read 45 pages of your new book in 2 hours. how much an you read in 3

erastova [34]

Answer:

67.5 pages

Step-by-step explanation:

45 divided by 2 is 22.5, so you would do 3x22.5=67.5

Hope this helped!

3 0

2 years ago

(75 - 7i) + (475 +7i)

Fudgin [204]

I simplified this equation and received.
Answer: 550
Elaborate what you want to solve of this is not what was wanted.

7 0

3 years ago

Read 2 more answers

Simplify [0.009÷0.004]-1/2

pantera1 [17]

Answer:

1.75

Step-by-step explanation:

0.009÷0.004- $\frac{1}{2}$ =

2.25-0.5=

1.75

4 0

3 years ago

For what value(s) of k is the linear system consistent? (Enter your answers as a comma-separated list.)

AleksAgata [21]

Answer:

Step-by-step explanation:

Given

$6x_1-9x_2=8$

$9x_1+kx_2=-1$

The given system is $AX=B$ can be represented by

$\begin{bmatrix}6 &-9 \\ 9 & k\end{bmatrix}\begin{bmatrix}x_1\\ x_2\end{bmatrix}=\begin{bmatrix}8\\ -1\end{bmatrix}$

The given system is consistent when determinant of A is not equal to zero

$|A|$

$|A|=6k-(-81)=6k+81$

$k\neq \frac{-27}{2}$

i.e. system is consistent for all value of k except $k=\frac{-27}{2}$

$R-\frac{-27}{2}$

4 0

3 years ago

Read 2 more answers

Simplify these 12 radicals:

Alexandra [31]

1)
$4 \sqrt{5}$
2)
$8$
3)
$3 \sqrt{5}$
4)
$3 \sqrt{6}$
5)
$4 \sqrt{2}$
6)
$6$
7)
$5 \sqrt{6}$

8)
$2 \sqrt{5}$
9)
$6 \sqrt{5}$
10)
$6 \sqrt{2}$
11)
$2 \sqrt{2}$
12)
$5 \sqrt{2}$

6 0

3 years ago