3 years ago

Need help ASAP Question 7

Mathematics

1 answer:

Olegator [25]3 years ago

5 0

Answer:

ksksvwjodjebebeiwlwvvw

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A table top is shaped like a rectangle whose perimeter is 78in The length is 2 times as long as the width What is the length and

Kisachek [45]

I think the width is 13 and the length is 26 because 13*2=26 26*2=52 52+26=78

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3 years ago

The dimensions of a room are 4.2m by 6m. On a plan, the longer side is equal to 4 cm. What is the length of the shorter side on

Fiesta28 [93]

Answer: Length of shorter side is 2.8 cm.

Explanation:

Since we have given that

Dimensions of a room are given by

$4.2\ m\times 6\ m$

On a plan, the longer side = 4 cm

As we know that the ratio of original room is equal to ratio of plan room

So,

$\frac{4.2}{6}=\frac{x}{4}\\\\4.2\times 4=6x\\\\16.8=6x\\\\\frac{16.8}{6}=x\\\\2.8=x$

So, length of shorter side is 2.8 cm.

7 0

3 years ago

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Paola made a rectangular painting that has an area of 24 square feet. He now wants to make a similar

BigorU [14]

Answer:
D.) 10 2/3 square feet
Step-by-step explanation:
The area will change by
multiply the area by 4/9 and you get 32/3 = 10 and 2/3 (because 10 = 30/3)

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2 years ago

(−10x^2+9)+(8x^2 −5x+7)

Leno4ka [110]

Answer:

-2x^2-5x+16

Step-by-step explanation:

Remove parenthesis:

-10x^2+9+8x^2-5x+7

Combine like terms:

-10x^2+8x^2-5x+9+7

= -2x^2-5x+9+7

=-2x^2-5x+16

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3 years ago

The sum of a number and seven is fifty-five. Find the number

Sonbull [250]

N+7=55. $\\ 55-7=48 \\$

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3 years ago

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