3 years ago

Help Plz No Bots ASAP FOR TEST!

Mathematics

1 answer:

Vlada [557]3 years ago

7 0

Answer:

bot bot bot bot bot bot bot bot bot bot bot bot bot.

Step-by-step explanation:

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The sum of the ages of dauda and his brother is 2. Five years ago dauda was 3times as old as his brother . How old are they now

Aloiza [94]

Answer:

$dauda = x \\ his \: brother = y \\ x + y = 2 \: \: \: (i) \\ 5(3x + y) = 5 \: \: \: (ii) \\ 15x + 5y = 5$

I don't really remember this very well, because it confusing me

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3 years ago

What is 3 and 3/4 as a decimal

Simora [160]

It should be 3.75 think of it as a dollar 3/4 of a dollar is .75

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4 years ago

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HELP ASAP TEST IS OMOST OVER!!!!!!!!!!

svet-max [94.6K]

Answer: C)46 ft

Step-by-step explanation:

We know that the circumference of a circle can be calculated with this formula:

$C=2\pi r$

Where "r" is the radius of the circle.

Since John is putting a fence around his garden that is shaped like a half circle and a rectangle, then we can find how much fencing he needs by making this addition:

$Fencing=\frac{2\pi r}{2}+2l+w$

Where "l" is the lenght of the rectangle and "w" is the width of the rectangle.

Since we know that the radius of the circle is half its diameter, we can find "r". This is:

$r=\frac{7ft}{2}=3.5ft$

Then, substituting values (and using $\pi=\frac{22}{7}$ ), we get:

$Fencing=\frac{2(\frac{22}{7})(3.5ft)}{2}+2(14ft)+7ft=46ft$

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3 years ago

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Factor completely 121x^2 - 16.

Sindrei [870]

Assuming you meant the x2 as x squared, then:

(11x+4)(11x-4)

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3 years ago

three friends are in the same algebra class. Their scores on a recent test are three consecutive odd intergers whose sum is 279.

jasenka [17]

X= 1st integer
x+2= 2nd integer
x+4= 3rd integer

Add the integers together

x + (x + 2) + (x + 4)= 279
combine like terms
3x + 6= 279
subtract 6 from both sides
3x= 273
divide both sides by 3
x= 91 first integer

Substitute x=91 to find 2nd & 3rd integers

2nd Integer
=x+2
=91+2
=93

3rd Integer
=x+4
=91+4
=95

ANSWER: The three test scores are 91, 93 and 95.

Hope this helps! :)

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3 years ago