3 years ago

I need help pls help

Mathematics

1 answer:

Sauron [17]3 years ago

8 0

Answer:

I could be wrong, but I think it's D

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Eva has £6.05 in her moneybox.

PIT_PIT [208]

Answer:

11 of 20p, 22 of 10p and 33 of 5p

Step-by-step explanation:

Eva has 20p, 10p and 5p coins, total of £6.05 = 605p

Let 20p=x, 10p=y, 5p=z

Then:

20x + 10y + 5z = 605
y : x = 2 : 1 ⇒ x= y/2
y : z = 2 : 3 ⇒ z= 3y/2

Rewriting the first equation considering next two:

10y + 10y + 7.5y = 605
27.5y = 605
y= 605/27.5
y= 22
x= y/2 = 22/2 = 11
z = 3y/2 = 3*11 = 33

Answer: 11 of 20p coins, 22 of 10p coins and 33 of 5p coins

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3 years ago

What is an explicit formula for the following sequence 1,5,9,13,17 ? plssss helppp mee

morpeh [17]

Answer:

plus 4 every time

Step-by-step explanation:

1+4=5+4=9+4=13+4=17

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3 years ago

If I was making cupcakes and brownies for my school fundraiser and the brownies needed 1.28cups of sugar and the cupcakes needed

xxMikexx [17]

You need A lot of sugar

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3 years ago

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What is the simplest form of the expression? 3sqrt(24a^10b^6)?

Anastasy [175]

Answer:

$\text{The simplest form is }6\sqrt6a^5b^3$

Step-by-step explanation:

Given the expression $3sqrt(24a^{10}b^6)$ .

we have to find the simplest form of the expression.

$3sqrt(24a^{10}b^6)$

= $3(24^{\frac{1}{2}}a^{\frac{10}{2}}b^{\frac{6}{2}})$

= $3(24^{\frac{1}{2}}a^5b^3)$

= $6\sqrt6a^5b^3$

which is the simplest form of the given expression.

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3 years ago

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What’s the answer I don’t understand

Scorpion4ik [409]

Your answer is D. All of these statements are true.

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3 years ago