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3 years ago

Thor deposited $190 into a savings account. The account earns 75%

Mathematics

1 answer:

andriy [413]3 years ago

8 0

Answer:

$333.25

Step-by-step explanation:

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A table with a round top is cut in half so that it can be used against a wall. After it is cut, the edge along the wall is 6 fee

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Answer: 4.5 (after is the pi sign)

Step-by-step explanation: i got it right on khan academy so

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3 years ago

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Julia is going to the store to buy candies. Small candies cost $4 and extra-large candies cost $12.She needs to purchase at leas

BartSMP [9]

Answer:

Small candies $=9$

Extra large candies $=12$

Step-by-step explanation:

Let small candies $=x$

Extra large candies $=y$

the number of candies is at least $20$ .

$x+y\geq20$

Cost of $1$ small candy $=\$4$

Cost of $1$ extra large candy $=\$12$

but she has only $\$180$ to spend

$4x+12y\leq180$

Solve for

$x+y=20.......(1)\\4x+12y=180.....(2)\\eqn(2)-eqn(1)\times4\\8y=100\\y=\frac{100}{8} \\y=\frac{25}{8} \\from\ eqn(1)\\x+\frac{25}{2}=20\\ x=20-\frac{25}{2} \\x=\frac{15}{2}$

Since number of candies should be integer.

let $x=7,y=13$

total spend $4\times7+12\times13=184$ which is more than $\$180$ , so this combination is not possible.

$let\ x=8,y=12\\8\times4+12\times12=176$

She has $\$4$ more so she can buy $1$ more small candy.

Hence small candy $=9$

extra large candy $=12$

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2 years ago

Their win percentage was 40, then how many matches did they play in all!

Neko [114]

Answer:

14400

Step-by-step explanation:

X - X × 75%=3600

X - X × $\frac{75}{100}$ = 3600

X - $\frac{3X}{4}$ = 3600

$\frac{4X-3X}{4}$ = 3600

$\frac{X}{4}$ = 3600

X = 3600 × 4

X = 14400

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2 years ago

Mary Sue and Betty have 603 necklaces altogether. Mary Sue has 115 more necklaces than Betty. How many necklaces does Betty have

Blizzard [7]

Let Mary Sue have m necklaces and Betty have b necklaces.

And they have 603 necklaces altogether, that is

m + b =603

And Mary Sue has 115 more necklaces than Betty, that is

m=b +115

Substituting this value in first equation we will get

b+115+b=603

Subtracting 115

2b= 488

b= 244

So Betty have 244 necklaces .

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3 years ago

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The answer is going to 25.13

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