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3 years ago

-7(2x - 4) - 7= 3(x - 5)+ 4x - 9 distribute and combine like terms

Mathematics

1 answer:

Leni [432]3 years ago

5 0

X=15/7 (in exact form) or x= 2 1/7 (in mixed number form) or x= 2.142857 (in decimal form)

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The order of the surd 7√8

Irina18 [472]

Hello,

$7 \sqrt{8} = \sqrt{7.7.8} = \sqrt{392}$

Býe býe.

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3 years ago

HDTV screens usually have a width-to -height ratio of 16:9. Which screen dimensions are in the same proportion?

love history [14]

Answer:

4 feet by 3 feet

Step-by-step explanation:

I think your question is missed of key information, allow me to add in and hope it will fit the original one.

Please have a look at the attached photo.

My answer:

width-to -height ratio of 16:9

Let analyse all possible answers:

4 feet by 3 feet

16 divided by 4 is the same as 9 divided by 3 => it is true

28 inches by 21 inches

16 divided by 28 is different as 9 divided by 21 => it is wrong

48 centimeters by 27 centimeters

16 divided by 48 is different as 9 divided by 27 => it is wrong

26 inches by 19 inches

16 divided by 26 is different as 9 divided by 219=> it is wrong

We choose A.

Hope it will find you well.

7 0

3 years ago

Solve the attached question #yohaniJaman

aksik [14]

HETY is a parallelogram.

HT and EY are diagonals. We know that diagonals divides the parallelogram into two equal parts.

So ar(HET) = ar(HTY)

And, ar(HEY) = ar(EYT) now, in AHET, diagonal EY bisects the line segment HT and also the AHET,

∴ar(AHOE) = ar(AEOT)

Similarly in AETY

ar(ΔΕΟΤ) = ar(ΔΤΟΥ)

And in AHTY,

ar(ATOY) = ar(AHOY)

That means diagonals in parallelogram divides it into four equal parts.

Hence Proofed.

5 0

3 years ago

Is this table proportional or non-proportional?

tatyana61 [14]

Answer:

in my opinon, this table is proportional

5 0

3 years ago

4x + 3 < 3 OR 4x + 3 > 19

JulijaS [17]

$4x + 3 > 19$

Step-by-step explanation:

$4x + 3 > 19 \\ 4x + 3 - 3 > 19 - 3 \\ 4x > 16 \\ 4x \div 4 > 16 \div 4 \\ x > 4$

4 0

3 years ago