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3 years ago

PLEASE HELP ME,!!!!!!!!!!! ALL LINKS WILL BE REPORTED!!

Mathematics

2 answers:

adelina 88 [10]3 years ago

5 0

Answer: D) 86 - 18x - 8 = 12x + 18

kirza4 [7]3 years ago

3 0

Answer:

Step-by-step explanation:

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For 14a-14d,tell you which expressions require you to rename mixed numbers before you can subtract.Find each difference .write e

Vlada [557]

multiply the whole number with the denominator then add the numerator over the denominator then find the common multiple.

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3 years ago

One of the diagonals of a rhombus of perimeter 120m is 36m. Find its area and the length of the other diagonal. pls answer fastt

mash [69]

Answer: $864\ m^2,\ 24\ m$

Step-by-step explanation:

Given

Perimeter of the rhombus is $120\ m$

Length of one of the diagonal is $d_1=36\ m$

All the sides of the rhombus are equal

$\Rightarrow 4a=120\\\Rightarrow a=30\ m$

Area of the rhombus with side and one diagonal is

$\Rightarrow \text{Area=}\dfrac{1}{2}d\sqrt{4a^2-d^2}$

Insert the values

$\Rightarrow \text{Area=}\dfrac{1}{2}\times 36\times \sqrt{4\cdot 30^2-36^2}\\\\\Rightarrow \text{Area= }18\sqrt{3600-1296}\\\Rightarrow \text{Area= }18\times 48\\\Rightarrow \text{Area= }864\ m^2$

Area with two diagonals length can be given by

$\Rightarrow \text{Area =}0.5\times d_1\times d_2 \\\text{Insert the values}\\\Rightarrow 864=36\times d_2\\\Rightarrow d_2=24\ m$

Thus, the area of the rhombus is $864\ m^2$ and the length of the other diagonal is $24\ m$

4 0

3 years ago

6 pounds of candy cost 22.44. What is the cost of one pound

AlekseyPX

Answer:

$3.74

Step-by-step explanation:

Proportions:

6 pounds ⇔ $22.44

1 pound ⇔ $ C

C = 22.44*1/6

C = $3.74

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3 years ago

Leroy can lay 144 bricks in 3 hours. At this rate , how many bricks can he lay in 7 hours

yawa3891 [41]

Answer:

336

Step-by-step explanation:

Leroy can lay 48 bricks per hour.

48 x 7 equals 336

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4 years ago

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53% of what number is 384? <br> i got 724.52 how do i round it to the hundredths place?

aleksandr82 [10.1K]

Answer:

thats right.

Step-by-step explanation:

the first place after the decimal is tenths, second, hundredths, third thousands, and so on

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3 years ago