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3 years ago

Help me please Algebra 2

Mathematics

1 answer:

katovenus [111]3 years ago

7 0

22%=r3vvdhhtbt tvcfsgauauva

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1 15/100 +1/50 +1.175

kifflom [539]

Convert all into a fraction and you will get 115/100+1/50+47/40
So your answer is 469/200 or 2.345 as a decimal

4 0

3 years ago

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Write -7 2/3 as an improper fraction. please

SIZIF [17.4K]

- 23/3 is your answer

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3 years ago

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Solve the system of equations by substitution. 3/8 x + 1/3 y =17/24 and x + 7y = 8

goblinko [34]

$\left \{ {{ \frac{3}{8}x+ \frac{1}{3}y = \frac{17}{14} } \atop {x+7y=8}} \right.$

To solve this system by substitution, first isolate x in the second equation.

$x+7y=8$
$x+7y-7y=8-7y$
$x=8-7y$

Now, plug this expression ( $8-7y$ ) for x in the top equation to solve for y.

$\frac{3}{8} (8-7y)+ \frac{1}{3} y= \frac{17}{14}$
$3- \frac{21}{8} y+ \frac{1}{3} y= \frac{17}{24}$
$72-63y+8y=17$
$72-55y=17$
$-55y=17-72$
$-55y=-55$
$y=1$

Now that you have y, plug it into the second equation and solve for x.

$x+7y=8$
$x+7(1)=8$
$x+7=8$
$x=1$

Last step is to plug your x- and y-values in to both equations to check your work.

$\frac{3}{8} (1)+ \frac{1}{3} y= \frac{17}{24}$

$\frac{3}{8} * \frac{3}{3} = \frac{9}{24} ; \frac{1}{3} * \frac{8}{8} = \frac{8}{24}$

$\frac{9}{24} + \frac{8}{24} = \frac{17}{24}$ <--True

$1+7(1)=8$
$1+7=8$ <--True

Answer:
$x=1 \\ y=1$

5 0

3 years ago

the sum of the measurement of two angles is 183.61 angle one has a measure of 54 what is the measure in degrees of the second an

Dennis_Churaev [7]

Hfhfjhfhchfjfnnfnfncncbc

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2 years ago

What is the value of x in the equation 3x − 31 = 76

Maru [420]

Add 31 to both sides.

3x−31+31=76+31

3x=107

Divide both sides by 3.

‌3x/3‌=‌107/3
‌x=‌ $\frac{107}{3}$

3 0

3 years ago