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2 years ago

Please help with this page

Mathematics

2 answers:

REY [17]2 years ago

7 0

1. )2.7
2.)8.875
3.)9.
4.)4.

Ulleksa [173]2 years ago

7 0

There are 14 quarters in $3.50
1||97.2/3.6=2.7
2||6.39/0.72=8.875
3||0.81/0.09= 9.0
4||1.08/0.27=4.0
5||Nathan is correct since they put the decimal point one space ahead of where it was supposed to be and that the decimal should be in between the 1 and 9 by estimation.

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SOLVING EACH SYSTEM BY ELIMINATION x+3y=5 x=-6y+14 HELP

nata0808 [166]

Answer:

$\mathrm{The\:solutions\:to\:the\:system\:of\:equations\:are:}$

$x=-4,\:y=3$

Step-by-step explanation:

Given the system of the equations

$x+3y=5;\:x=-6y+14$

solving by elimination method

$\begin{bmatrix}x+3y=5\\ x=-6y+14\end{bmatrix}$

$\mathrm{Arrange\:equation\:variables\:for\:elimination}$

$\begin{bmatrix}x+3y=5\\ x+6y=14\end{bmatrix}$

$x+6y=14$

$-$

$\underline{x+3y=5}$

$3y=9$

$\begin{bmatrix}x+3y=5\\ 3y=9\end{bmatrix}$

solve $3y=9$ for $y$ :

$3y=9$

$\frac{3y}{3}=\frac{9}{3}$

$y=3$

$\mathrm{For\:}x+3y=5\mathrm{\:plug\:in\:}y=3$

Solve $x+3\cdot \:3=5$ for x:

$x+3\cdot \:3=5$

$x+9=5$

$x=-4$

Therefore,

$\mathrm{The\:solutions\:to\:the\:system\:of\:equations\:are:}$

$x=-4,\:y=3$

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2 years ago

Please help I’ll give brainliest

Fed [463]

Answer:

$48

Step-by-step explanation:

$160 * 0.05 = $8

$8 * 6 = $48

Hope this helps

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2 years ago

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Alex787 [66]

Answer:

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Step-by-step explanation:

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2 years ago

rectangular cake pans X and Y are similar. The ratio of the width of the pan X to the width of pan Y is 3 : 4. The length of pan

Vikki [24]

We have two rectangles such as:
Rectangle 1 = X
Rectangle 2 = Y
Where the ratio of the two is:
Ratio = X / Y = 3/4
If x length is 10, we can solve for y length such as:
10 /Y length =3/4
Y length = 40/3 = 13.33

If x width is 5, then we can solve for y width such as:
5/y width = 3/4
y width = 20/3 = 6.67

The Perimeter of Pan Y is shown below:
Y perimeter = 2(6.67) + 2(13.33)
Y perimeter = 40

The answer is 40 inches.

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2 years ago

What is the y intercept of f(x)=(1/2)x?

expeople1 [14]

Answer: C (0,1)

Step-by-step explanation:

The y intercept of a function is when it's x coordinate is zero, so input 0 into the function and solve for f(x)

f(0) = (1/2)^x

f(0) = (1/2)^0

f(0) = 1 Any number raised to zero is 1 so the y intercept has to be 1.

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2 years ago

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