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2 years ago

WILL GIVE BRAINLET !!! 2 1/12 + 4/12 ( show how u her the answer )

Mathematics

1 answer:

spin [16.1K]2 years ago

8 0

Answer:

2 5/12

Step-by-step explanation:

you can combine two fractions if they have the same denominator (bottom number) by adding the numerators (top numbers) and keeping the bottom number the same.

1/12+4/12 is the same as 1+4 you just put the sum over 12:

2 1/12+4/12= 2 5/12

it can also be written as 29/12

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RectangleABCD has vertices at A(– 3, 1),B(– 2, – 1),C(2, 1), andD(1, 3). What is the area, in square units, of this rectangle? A

Anna [14]

Answer:

Option A. $10\ units^{2}$

Step-by-step explanation:

we know that

The area of the rectangle is equal to

A=LW

where

L is the length of rectangle

W is the width of rectangle

we have

$A(-3,1),B(-2,-1),C(2,1),D(1,3)$

Plot the vertices

see the attached figure

L=AD=BC

W=AB=DC

the formula to calculate the distance between two points is equal to

$d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}$

<em>Find the distance AD</em>

$A(-3,1),D(1,3)$

substitute in the formula

$AD=\sqrt{(3-1)^{2}+(1+3)^{2}}$

$AD=\sqrt{(2)^{2}+(4)^{2}}$

$AD=\sqrt{20}$

$AD=2\sqrt{5}\ units$

<em>Find the distance AB</em>

$A(-3,1),B(-2,-1)$

substitute in the formula

$AB=\sqrt{(-1-1)^{2}+(-2+3)^{2}}$

$AB=\sqrt{(-2)^{2}+(1)^{2}}$

$AB=\sqrt{5}$

$AB=\sqrt{5}\ units$

Find the area

$A=(2\sqrt{5})*(\sqrt{5})=10\ units^{2}$

4 0

2 years ago

HELP NOW PLZ!! RIGHT NOW!!

jeka57 [31]

Answer:

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Step-by-step explanation:

7 0

2 years ago

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Write a inequality phrase: you have to be at least 21 years of age

SVETLANKA909090 [29]

Answer:

$a\geq 21$

Step-by-step explanation:

"At least" is inclusive, so you can be 21 years old.

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2 years ago

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I need helpASAP!! Which point would map onto itself after a reflection across the line y = –x?

Maru [420]

(0,-4) would map into itself because it doesn’t move.

7 0

3 years ago

In 1970, the median home value was $20,000. By 2020, the median home value was $320,000. What is the percent increase in home va

ArbitrLikvidat [17]

Answer:

1500%

Step-by-step explanation:

The formula for Percentage increase is

Increase/ Initial Amount × 100

Increase = Current Amount - Initial Amount

Increase = $320,000 - $20,000

Increase = $300,000

Percentage Increase =

$300,000/$20,000 × 100

= 1500%

The percent increase in home value in those 50 years is 1500%

8 0

3 years ago