2 years ago

SYSTEM OF EQUATION WITH SUBSTITUTION

Mathematics

2 answers:

-BARSIC- [3]2 years ago

8 0

Answer:

Step-by-step explanation:

X=7

Y=0

frez [133]2 years ago

7 0

2x - 9y = 14

x = -6y + 7

Y=0

X=7

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emmasim [6.3K]

Answer:

Y = 6 and x=6 are perpendicular because they both measure at a 90 degree angle

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3 years ago

Dad gave Tyler and Emily the same amount of pocket money Emily bought a t shirt for $41 and she had $6 left how much money did d

Lady_Fox [76]

Answer:

Dad gave Tyler $47.

Step-by-step explanation:

You add the money that Emily had left and the cost of the t-shirt.

41+6= 17

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2 years ago

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58 = 7/4x well, basically I am really bad with fractions, and I'm supposed to do this on a computer, I don't have a calculator I

KiRa [710]

58=7/4x
Multiply both sides by 4 so the fraction cancels out:
232=7x
Divide both sides by 7:
x=33.14 (rounded)

Hope this helps :)

4 0

3 years ago

Identify the lateral area and the surface area of a right rectangular prism with an 8 cm by 9 cm base and a height of 13 cm.

stepan [7]

It's A: L =704cm2; S =936cm2
because your multiplying your length and width (8x9) =72
multiply 72 by the height and you get your answer for S = 936cm2

7 0

2 years ago

What is the measure of an angle whose sine is√3/2 ? 60 45 30

dem82 [27]

ANSWER

The required angle is
$60 \degree$

EXPLANATION

Let the angle whose sine is
$\frac{ \sqrt{3} }{2}$
be
$x \degree$

Then

$\sin(x \degree) = \frac{ \sqrt{3} }{2}$

We take the inverse sign of both sides to obtain,

$x = \sin ^{ - 1} ( \frac{ \sqrt{3} }{2} )$

We use our scientific calculator to evaluate and obtain,

$x = 60 \degree$

8 0

2 years ago

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