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4 years ago

11

A blank is a unit rate with a denominator of unit 1. What word is the blank?

1 answer:

natali 33 [55]4 years ago

7 0

A unit rate is a ratio that has a denominator of 1. A unit rate is also called a unit ratio. (They mean the same thing.) so my guess would be unit ratio

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Right angled triangle calc: find a, b=24, c=33.94113

Ksenya-84 [330]

Use the Pythagorean theorem...
a²+b²=c², in this case a²=c²-b<span>²</span>

a²+24²=33.94113<span>²

a</span><span>²+576=1,152.00031

a</span><span>²=576.000306

a=24 (If you need the exact number, not rounded, it is 24.0000064)</span>

5 0

3 years ago

(3x-4y)^2-(3x-4y)(3x+4y)

zheka24 [161]

Answer:

$-24xy + 32y^2$

Step-by-step explanation:

Hello!

We can use the special binomial product formulas:

$(a + b)^2 = a^2 + 2ab + b^2$
$(a + b)(a - b) = a^2 - b^2$

<h3>Simplify</h3>

$(3x - 4y)^2 - (3x - 4y)(3x + 4y)$
$(9x^2-24xy+16y^2) - (9x^2 - 16y^2)$
$9x^2 - 9x^2 - 24xy + 16y^2 + 16y^2$
$-24xy + 32y^2$

The simplified form is $-24xy + 32y^2$

6 0

2 years ago

The price of an iphone was reduced from $960 to $840. By what percentage was the price of the iphone reduced?

Taya2010 [7]

Answer:

13.5%

Step-by-step explanation:

I hope this helps

5 0

3 years ago

An item is priced at $13.46. If the sales tax is 6%, what does the item cost including sales tax?

OleMash [197]

.06 x 13.46 =.80
.80 + 13.46 =14.46.

Answer: $14.46

5 0

3 years ago

Write an equation for the line on the graph below:

wolverine [178]

Answer:

This line is a horizontal line, so it has an equation y=n, where n is a number.

In this case, because the y intercept is (0,2) the equation is y=2.

Let me know if this helps!

7 0

3 years ago