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4 years ago

Helppp please (2)1/2(b-3)=5/2(2)

Mathematics

1 answer:

lakkis [162]4 years ago

3 0

Answer:

Exact Form:

b = 11/ 2

Decimal Form:

b = 5.5

My bad if i'm wrong

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3 years ago

A=(-2,-7) B=(-6,4) C=(-2,7) D=(2,4) What is the perimeter?

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$\displaystyle\bf\\AB=\sqrt{\Big(-6-(-2)\Big)^2+\Big(4-(-7)\Big)^2}\\\\AB=\sqrt{\Big(-6+2\Big)^2+\Big(4+7\Big)^2}\\\\AB=\sqrt{\Big(-4\Big)^2+\Big(11\Big)^2}\\\\AB=\sqrt{16+121}\\\\\boxed{\bf AB=\sqrt{137}}$

$\displaystyle\bf\\BC=\sqrt{\Big(-2-(-6)\Big)^2+\Big(7-4\Big)^2}\\\\BC=\sqrt{\Big(-2+6\Big)^2+\Big(7-4\Big)^2}\\\\BC=\sqrt{\Big(4\Big)^2+\Big(3\Big)^2}\\\\BC=\sqrt{16+9}\\\\BC=\sqrt{25}\\\\\boxed{\bf BC=5}$

$\displaystyle\bf\\CD=\sqrt{\Big(2-(-2)\Big)^2+\Big(4-7\Big)^2}\\\\CD=\sqrt{\Big(2+2\Big)^2+\Big(4-7\Big)^2}\\\\CD=\sqrt{\Big(4\Big)^2+\Big(-3\Big)^2}\\\\CD=\sqrt{16+9}\\\\CD=\sqrt{25}\\\\\boxed{\bf CD=5}$

$\displaystyle\bf\\AD=\sqrt{\Big(2-(-2)\Big)^2+\Big(4-(-7)\Big)^2}\\\\AD=\sqrt{\Big(2+2\Big)^2+\Big(4+7\Big)^2}\\\\AD=\sqrt{\Big(4\Big)^2+\Big(11\Big)^2}\\\\AD=\sqrt{16+121}\\\\\boxed{\bf AD=\sqrt{137}}$

$\displaystyle\bf\\P=AB+BC+CD+AD=\sqrt{137}+5+5+\sqrt{137}\\\\\boxed{\bf P=10+2\sqrt{137}}$

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3 years ago

Name the regular polygon that has 12 sides

AnnZ [28]

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dodecagon

Step-by-step explanation:

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3 years ago

Read 2 more answers

5.1 Percentage changes

Simora [160]

Answer:

Rounded to the nearest integer, at that time there were about 51,493,684 mortgages in the UK market.

Step-by-step explanation:

Given that in February 2019, 195,676 mortgages were outstanding in the UK, which represented 0.38% of all mortgages, to determine how many total mortgages were in the UK market at that time the following calculation must be performed:

0.38 = 195.676

100 = X

(100 x 195,676) / 0.38 = X

19,567,600 / 0.38 = X

51,493,684.21 = X

Thus, rounded to the nearest integer, at that time there were about 51,493,684 mortgages in the UK market.

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3 years ago

For 9-20 tell whether the first number is a multiple of the second number

jeyben [28]

Answer:

21,7 - yes

28,3 - no

17,3 - no

20,4 - yes

55,5 - yes

15,5 - yes

26,4 - no

32,8 - yes

48,7 no

60,2 - yes

79,4 - no

81,3 - yes

Step-by-step explanation:

hope that helps

7 0

3 years ago

Helppp please (2)*1/2(b-3)=5/2*(2)

Helppp please (2)1/2(b-3)=5/2(2)