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2 years ago

Im getting my grade up soo help

Mathematics

2 answers:

Ymorist [56]2 years ago

8 0

Answer:

Could you add a link to some sort of file or screenshot a wuestion or something..?

Step-by-step explanation:

Ket [755]2 years ago

4 0

Where is pic…………………,,,,,

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Which subtraction sentences show you how to find 15-7

Alborosie

First you need to divide 7 and 15, and the answer you get is 8, so 8+7=15. 8 will be your answer.

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3 years ago

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Danielle has taken five math tests so far this year. The tests are out of twenty points, and she has gotten the following scores

Doss [256]

Answer:

Danielle score must be 18

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2 years ago

Marissa deposited $900 in her savings account. The rate of simple interest is 5% per year. Find the balance at the end of 4 year

kotegsom [21]

If you multiply the 9 in the 900 by 5 you get 45 which is 5% of 900, multiply that by 4 gives 180 so she should have $180

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2 years ago

It is possible to get 2 solutions when the system of equations is: (check all that apply)

SVETLANKA909090 [29]

Answer:

A system of the equation of a circle and a linear equation

A system of the equation of a parabola and a linear equation

Step-by-step explanation:

Let us verify our answer

A system of the equation of a circle and a linear equation

Let an equation of a circle as $x^2+ y^2 = 1$ ..........(1)

Let a liner equation Y = x ............(2)

substitute (2) in (1)

$x^2 + x^2 = 1\\2x^2 = 1\\$

$x^2 = \frac{1}{\sqrt{2} } \\x = +\frac{1}{\sqrt{2} } , -\frac{1}{\sqrt{2} }$ so Y = $+\frac{1}{\sqrt{2} } , -\frac{1}{\sqrt{2} }$

so the two solution are ( $(\frac{1}{\sqrt{2} } ,\frac{1}{\sqrt{2} }) (-\frac{1}{\sqrt{2} }, -\frac{1}{\sqrt{2} }$ )

A system of the equation of a parabola and a linear equation

Let equation of Parabola be $y^2 = x$

and linear equation y = x

substitute

$x^2 = x\\x^2 - x= 0\\x(x-1) = \\x = 0 , 1$

Y = 0,1

so the two solutions will be (0,0) and (1,1)

3 0

3 years ago

:):):):):):):):):):):):))

lina2011 [118]

The answer for this question is B because - -e/-f is the same as - -e/f

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3 years ago