3 years ago

How do u do this question

Mathematics

2 answers:

Dimas [21]3 years ago

8 0

Go across up and down

mart [117]3 years ago

4 0

Draw like a plus sign in the box (straight up and down and sideways)

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the perimeter of the rectangle below is 98 units. Find the length of CD. Write your answer without variables. cd=4x+3 cb=5x+1

zimovet [89]

$2(4x + 3) + 2(5x + 1) = 98 \\ 8x + 6 + 10x + 2 = 98 \\ 18x + 8 = 98 \\ 18x = 90 \\ x = 5$
Substitute x with 5,

CD =
$4x + 3 \\ = 4(5) + 3 \\ = 20 + 3 \\ = 23$
CD = 23 units

Hope this helps.

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3 years ago

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Plzz help i will give brainliest plzzzz

Rashid [163]

Answer:

Step-by-step explanation:

B gives you 8/12, which can be simplified down to 2/3.

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2 years ago

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liubo4ka [24]

Answer:D 4 units

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2 years ago

Use benchmarks to estimate 16.8-5.94

Sunny_sXe [5.5K]

The estimated answer is 11. First you round 16.8 to 17 because the decimal is above 5. Then you round 5.94 to 6 because the first decimal place is greater than 5. Lastly you subtract 17 minus 5 to get 11.

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3 years ago

#1. Which of the following is a rational number?

Sladkaya [172]

#1: b. 100 square root is 10. 10 x 10 = 100. 100 = rational number, Others include a series of numbers that cannot be written down.
#2 -7.8 With the line on top. THe line on the 8 means that it continues for ever.
Only other one is d.

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3 years ago