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3 years ago

Hello! I need help with this

Mathematics

1 answer:

Verdich [7]3 years ago

6 0

Answer:

y = -16.25

Step-by-step explanation:

$26=-\frac{8}{5}y$

It can also be written as

$26=\frac{-8y}{5}$

-8y = 26 * 5

-8y = 130

y = 130/-8 = - 65/4 = -16.25

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A rectangle has a length of 9.00 inches and a width of 4.25 inches. What is the area in square inches? Round to the correct sign

leva [86]

9 times 4.25 = 38.25 inches area of a rectangle is length times width

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3 years ago

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LuckyWell [14K]

Answer:

$13.70

Step-by-step explanation:

$59.60 - $4.80 = $54.80

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3 years ago

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sp2606 [1]

Answer:

Quadrant II

Step-by-step explanation:

(-5,6)

The x coordinate is negative so the quadrant is either 2 or 3

The y coordinate is positive so the quadrant is either 1 or 2

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7 0

2 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

5 0

3 years ago

Please help me on this <br><br> Simplify (12^2)^4

nika2105 [10]

(12^2)^4

= 12^(2*4)

= 12^8 (or 429,981,696)

7 0

4 years ago