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2 years ago

3x + 2y = 12 -x + 5y = 13 Solve by elimination Y and x

Mathematics

1 answer:

Natalka [10]2 years ago

8 0

Answer:

x = 2 y = 3

Step-by-step explanation:

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Jayden deposited $7100 in a savings account with simple interest. Three months later, the account held $7,259.75. what was the i

Novosadov [1.4K]

Answer:

Step-by-step explanation:

7259.75 - 7100 = 159.75

he earned 159.75 in interest

159.75/ 7100= .0225

and if you convert that to percentages then its 2.25%

8 0

3 years ago

Find the value of x.

Alik [6]

Answer:

$x =15$

Step-by-step explanation:

In $\odot D,$ AB and AC are chords which are equidistant from the center of the circle.

$\therefore Chord \: AB \cong Chord\: AC$

$\therefore m \widehat {AB} = m\widehat {AC}$

(Equal chords intercept equal arcs)

$\because m \widehat {AB} = (10x-23)\degree$

$\therefore m \widehat {AC} = (10x-23)\degree$

$m \widehat {AB} +m \widehat {AC} +106\degree = 360\degree$

(Arc sum postulate of a circle)

$(10x-23)\degree + (10x-23)\degree= 360\degree- 106\degree$

$2(10x-23)\degree = 254\degree$

$(10x-23)\degree = 127\degree$

$10x-23 = 127$

$10x = 127+23$

$10x = 150$

$x = \frac {150}{10}$

$x =15$

5 0

2 years ago

I don't know how to do #86-#88. Any help?

SOVA2 [1]

86 and 87 utilize the Pythagorean theorem. Where those tangent lines meet the circle forms a right angle. So you have a side length of 6 and a hypotenuse of 22. So the missing side length is 21.16. For 87, its the same thing, but you have the 2 legs but are missing the hypotenuse.

3 0

3 years ago

Eric paints 8 rooms in 3 days for $600.

sweet [91]

He earns 200 dollars per day. He earns 75 dollars per room. He can paint about 16 rooms in 6 days.

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2 years ago

I.5y=2x-5<br> II.5y=4+3x<br> III.5y-3x=-1

Ratling [72]

Answer:

Step-by-step explanation:

the vale of x differs in each situation are we talking AB value

6 0

2 years ago