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3 years ago

Rates/Proportional Relationships.

Mathematics

1 answer:

brilliants [131]3 years ago

3 0

Answer:

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Step-by-step explanation:NWEKFK.EWBFEWHBV.KWEUF67OFVD.KFERLUGVK34UGILBEFLIUBYETRNTYM6

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What is another name for plane z

jarptica [38.1K]

Plain Z<span> is the </span>plane<span> that is width basicly if looking at a 3d figure.</span>

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3 years ago

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2+(5+y) I need help pls! If you know the answer to this problem, please explain, THANK YOU!!!

anzhelika [568]

Answer:

y= -7

Step-by-step explanation:

I'm not sure if this is what you are looking for but here you go!

If the equation is set equal to zero.

2+(5+y)=0 This is the original expression, we need to find the value for y.

5+y= -2 We move the two to the right to remove it from the left side of

the equation.

y= -7 We repeat the same thing as we did in the last step, except

with the value 5. This then gives us our y-value, which is -7.

I hope this helps!

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4 years ago

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What is the regular price of a taco before the discount

Amanda [17]

Answer:

Step-by-step explanation:

100 x 0.4 = 40 and that is the discount so you subtract that off the price so 100 - 40 = 60

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3 years ago

A necklace has and matching bracelet have two types of beads. The necklace has 12 large beads and 8 small beads and weighs 88 gr

miv72 [106K]

Weight of one large bead is 1.5 grams and weight of one small bead is 8.75 grams.

Step-by-step explanation:

Let,

Weight of one large bead = x

Weight of one small bead = y

According to given statement;

12x+8y=88 Eqn 1

5x+2y=25 Eqn 2

Multiplying Eqn 2 by 4

$4(5x+2y=25)\\20x+8y=100\ \ \ Eqn\ 3\\$

Subtracting Eqn 1 from Eqn 3

$(20x+8y)-(12x+8y)=100-88\\20x+8y-12x-8y=12\\8x=12$

Dividing both sides by 8

$\frac{8x}{8}=\frac{12}{8}\\x=1.5$

Putting x=1.5 in Eqn 1

$12(1.5)+8y=88\\18+8y=88\\8y=88-18\\8y=70$

Dividing both sides by 8

$\frac{8y}{8}=\frac{70}{8}\\y=8.75$

Weight of one large bead is 1.5 grams and weight of one small bead is 8.75 grams.

Keywords: linear equation, elimination method

Learn more about elimination method at:

#LearnwithBrainly

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3 years ago

Is 2.44949 irrational

bija089 [108]

I think it’s rational

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3 years ago

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