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3 years ago

10

the area of a rectangle is 10 square units the length is 2 units and the width is y units 10 = 2y what is the value of y. y = 12

, y = 8, y = 5, y = 20,

1 answer:

frutty [35]3 years ago

4 0

Answer:

2(5+y)+2y=38 10+2y+2y=38 4y=28 y=7 i think

Step-by-step explanation:

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tami uses square tiles to make an array. she places 5 tiles in each row. she makes 5 rows.how many square tiles does she use?

PIT_PIT [208]

Answer: The answer is 25

Step-by-step explanation:

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3 years ago

Michelle has 21 ⅙ cups of flour in a container. She uses 6 ⅚ cups of flour to make 5 loaves of bread. How much flour does Michel

Bezzdna [24]

It should be about -13 cups

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3 years ago

Period of y=2tan (2x+90) -1

krek1111 [17]

20 is the answer
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3 years ago

Standard deviation of 300, 785, 670, 187, 760, 724

White raven [17]

STEP 1

Mean = $\frac{300+785+670+187+760+724}{6} = \frac{3426}{6}=571$

STEP 2

Subtract the mean from each data value then square the answer
$300-571=-271$ ⇒ $(-271)^{2} =73441$
$785-571=214$ ⇒ $(214)^{2}=45796$
$670-571=99$ ⇒ $(99)^{2}=9801$
$187-571=-384$ ⇒ $(-384)^{2} =147456$
$760-571=189$ ⇒ $189^{2}=35721$
$724-571=153$ ⇒ $153^{2} =23409$

STEP 3

Add the squared answers in STEP 2 then find the mean

$\frac{73441+45796+9801+147456+35721+23409}{6}= \frac{335624}{6}=55937.3$

STEP 4

Square root the answer in STEP 3
$\sqrt{55937.3} =236.5$

Standard deviation is 236.5

7 0

3 years ago

Find the intersection of the following sets.<br><br>a= 1,2,3,4,5,6,7,8 b= 2,4,6,8,10<br>

Neporo4naja [7]

{2,4,6,8}

Intersection means common elements in both sets

7 0

2 years ago