3 years ago

I need to know 4 I really don't understand I really need help please.

Mathematics

1 answer:

Effectus [21]3 years ago

5 0

Answer is A. Because out kidneys and lungs pump bloo Im poitive

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250 gram as a percentage of 1 kg

kodGreya [7K]

Hey there!

Answer: 25%

$\rightarrow \: (\sf{ \frac{250}{1000} ) \times 100}$

$\rightarrow \: ( \sf{0.25) \times 100}$

$\rightarrow \: \sf{ = 25\%}$

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2 years ago

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Tonia and trinny are twins. Their friends give them identical cakes for their birthday. Tonia eats 1/8 of her cake and trinny ea

Nikitich [7]

Answer:

$\frac{7}{12}$ of the cake

Step-by-step explanation:

add $\frac{1}{8}$ and $\frac{1}{6}$ to see the total amount of cake eaten.

a. find the common denominator: 8 x 3 = 24 and 6 x 4 = 24

b. multiply accordingly to get the correct numerator: $\frac{3}{24}$ + $\frac{4}{24}$

c. add: $\frac{3}{24}$ + $\frac{4}{24}$ = $\frac{7}{24}$

subtract found value from total to find left over cake.

a. 24 - 7 = 14

simplify.

a. $\frac{14}{24}$ = $\frac{7}{12}$

You are left with $\frac{7}{12}$ of the cake.

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4 years ago

What is the value of y in the equation 5x + 2y = 20, when x = 0.3?

garik1379 [7]

Y=9.25 because 5x0.3=1.5 you move constents to the right hand side and it becomes -1.5 then you do the rest and the answers is 9.25

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3 years ago

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PLEASE HURRY!!

lapo4ka [179]

First statement is correct and the second is not correct

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3 years ago

X(5x+3-4x)-(5x-8-3x)=

CaHeK987 [17]

X^2+x+8 is the answer unless you need it factored

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