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KIM [24]
3 years ago
12

Of the donuts we have left to sell, the

Mathematics
2 answers:
Helga [31]3 years ago
5 0

Answer:

37.5%

Step-by-step explanation:

Ratio = 3 : 5

Total part = 3 +5 = 8

Chocolate donuts = 3/8

Percentage = \dfrac{3}{8}*100

= 37.5 %

morpeh [17]3 years ago
5 0

Step-by-step explanation:

3 + 5 = 8

we are dealing with 8 parts of the whole.

3/8 + 5/8 = 1

300/8 + 500/8 = 100 = 100%

so,

300/8 is the percentage of the chocolate donuts.

300/8 = 37.5 = 37.5%

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Zack has two savings accounts with the total of $9,000. He withdew 10 percent from one and 60 percent from the other to buy his
klio [65]

The remaining balances in the first and second account are $5805 and $1020 respectively.

<em><u>Explanation</u></em>

Suppose, the initial balance in the first account was  x dollar.

As the total amount in two accounts was $9000, so the <u>initial balance in the second account was</u>  (9000-x) dollar

He withdrew 10% from the first and 60% from the second account to buy the ring which cost $2175. So, the equation will be......

0.10x+0.60(9000-x)=2175\\ \\ 0.10x+5400-0.60x=2175\\ \\ -0.50x= 2175-5400= -3225\\ \\ x=\frac{-3225}{-0.50}= 6450

So, <u>the initial balance</u> in the first account was $6450 and in the second account was ($9000 - $6450)= $2550

Thus, the remaining balance in the first account = 90% of $6450 = (0.90*6450)= \$5805

and the remaining balance in the second account = 40% of $2550 = (0.40*2550)=\$1020

3 0
3 years ago
Work out the perimeter of this semicircle take pie to be 3.142 radius in image attached thanks (:
inna [77]

Answer:

\boxed{P = 56.55751919 cm}

Step-by-step explanation:

Perimeter of semicircle = \frac{2\pi r}{2} + 2r

Where r = 11 cm

=> P = \frac{2(3.142)(11)}{2} + 2(11)

=> P = 34.55 + 22

=> P = 56.55751919 cm

7 0
3 years ago
Read 2 more answers
What is the value of x
aivan3 [116]

Answer:

x=14√3 and y=28

Step-by-step explanation:

This is a 30, 60, 90 triangle. We have to multiply 14 by 2 to get the hypotenuse. In this case, the hypotenuse is y. 14x2 is equal to 28. Therefore, y=18. The long side is equal to the small side times the √3. Therefore, x is equal to 14√3. Therefore, x=14√3 and y=28.

If this has helped you please mark as brainliest

4 0
3 years ago
Which of the following is equivalent to the equation -5(3x -8 )= -45 ?
Elan Coil [88]
Distributive property is
a(b+c)=ab+ac so
first, distribute
remember than (-) times (-)=(+)
-5(3x-8)=(-5)(3x)+(-5)(-8)=-15x+(+40)=-15x+40

so it is -15x+40=-45

the answe ris B
4 0
3 years ago
Which is greater 21.798 or 217.98?​
Mazyrski [523]

Answer:

the second number is greater i think

Step-by-step explanation:

5 0
2 years ago
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