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Hunter-Best [27]

3 years ago

8

In one week, 103 students were absent,17 fewer students were absent than the week before. howe many students were absent in thos

e two weeks?

1 answer:

Nitella [24]3 years ago

7 0

A 103 minus 17 is 86 so 117 plus 86 is 203 so a total of 203 were absent in two weeks

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Is 1.75 a reasonable estimate of the value of the square root of 8

ladessa [460]

Answer:

Test it. Is 1.752 close to 8?

1.752 = 3.0625

3.0625 is not close to 8.

Step-by-step explanation:

8 0

2 years ago

The value of y varies directly with x, and y = 48 when x = 16. Find y when x = 176.

emmainna [20.7K]

Try to find what y is when x is equal to one.

48/16= 3

So, when x is 1, y is 3.

(1,3)

All you need to do is multiply 176 by 3 for the correct value of y.

176*3= 528

When x= 176, y= 528. (176,528)

I hope this helps!
~cupcake

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3 years ago

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3 years ago

(2n – 3)(5n+6)<br> How do I solve this ?

nalin [4]

Answer:

Step-by-step explanation:

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5 0

3 years ago

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What is the approximate distance between points A and B?

Aleks04 [339]

Answer:

$\displaystyle d \approx 7.62$

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

<u>Algebra II</u>

Distance Formula: $\displaystyle d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Find points from graph.</em>

Point A(1, 4)

Point B(-2, -3)

<u>Step 2: Find distance </u><em><u>d</u></em>

Simply plug in the 2 coordinates into the distance formula to find distance<em> d</em>

Substitute in points [DF]: $\displaystyle d = \sqrt{(-2-1)^2+(-3-4)^2}$
(Parenthesis) Subtract: $\displaystyle d = \sqrt{(-3)^2+(-7)^2}$
[√Radical] Exponents: $\displaystyle d = \sqrt{9+49}$
[√Radical] Add: $\displaystyle d = \sqrt{58}$
[√Radical] Evaluate: $d = 7.61577$
Round: $\displaystyle d \approx 7.62$

3 0

3 years ago