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2 years ago

oscar uses place value to divide 63.81 by 9. his steps are shown below what mistake does oscar make PLZ HELPPPP

Mathematics

1 answer:

ELEN [110]2 years ago

5 0

Answer:

He put the wrong answer in Step 2, he put the put the decimal in the wrong place.

Step-by-step explanation:

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If the following system of equations was written as a matrix equation in the form AX = C, and matrix A was expressed in the form

IrinaVladis [17]

Answer: a-b+c+d =4

Step-by-step explanation:

The given system of equation is

$2x+8y=7\\4x-2y=9$

from this we have the following matrices

$A_1 =\begin{bmatrix}\\2 &8 \\ \\4&2 \\\end{bmatrix}\ ,X=\begin{bmatrix}\\x\\ \\y\\\end{bmatrix}\text{and}\ C=\begin{bmatrix}\\7\\ \\9\\\end{bmatrix}$

the given matrix A = $\begin{bmatrix}\\a &c \\ \\b &d \\\end{bmatrix}$

On comparing Matrix $A_1$ with Matrix A

$\begin{bmatrix}\\a &c \\ \\b &d \\\end{bmatrix}=\begin{bmatrix}\\2&8 \\ \\4 &-2 \\\end{bmatrix}$

we have the following values

a=2 ,b=4,c=8,d=-2

Thus a-b+c+d =2-4+8+(-2)=4

8 0

2 years ago

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Find the value of x in each case:

djverab [1.8K]

Answer:

no bruh

Step-by-step explanation:

4 0

2 years ago

Please help me! in need of help due tomorrow!

julsineya [31]

Answer:

Step-by-step explanation:

(1). A = π r²

A = 4 π

Area of shaded region is $\frac{4\pi *260}{360}$ = $\frac{26}{9} \pi$ or $\frac{26\pi }{9}$

(2). C = 4 π

In this case, the length of the bigger arc and the area of shaded region happen to be the same.

The length of the arc ADB is $\frac{26}{9} \pi$ or $\frac{26\pi }{9}$

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1 year ago

What is the amount of liquid a water bottle bottle holds??

harkovskaia [24]

If you look on the water bottle paper (It depends) you will find that it holds one of the amounts from 16.9<span> to 20 oz.

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3 years ago

Solve for D. Show your work.

Vikki [24]

Answer:

6d - 11/2 = 2d - 13/2

6d - 2d = 11/2 -13/2

4d = -2/2

4d = -1

d = -1/4

5 0

3 years ago