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IrinaK [193]
3 years ago
14

Angle a​ and​ ​angle b​ ​are complementary angles. The measure of ∠a is 42°.

Mathematics
1 answer:
Citrus2011 [14]3 years ago
8 0
My work to your question
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Suatu jenis roti memerlukan 150 gram tepung dan 50 gram mentega. Roti jenis lain memerlukan 75 gram tepung dan 75 gram mentega,
Katena32 [7]
Let the one type of the bread be bread A
The second type of the bread be bread B

Let the flour be 'f' and the butter be 'b'

We need 150f + 50b for bread A and 75f + 75b for bread B

We can compare the amount of flour and bread needed for each bread and write them as ratio

FLOUR

Bread A : Bread B
150 : 75
2 : 1

We have a total of 2250gr of flour, and this amount is to be divided into the ratio of 2 parts : 1 part. There is a total of 3 parts. 

2250 ÷ 3 = 750 gr for one part then multiply back into the ratio to get

Bread A : Bread B = (2×750) : (1×750) = 1500 : 750


BUTTER

Bread A : Bread B = 50 : 75 = 2 : 3

The amount of butter available, 1250 gr is to be divided into 2 parts : 3 parts.
There are 5 parts in total

1250 ÷ 5 = 250 gr for one part, then multiply this back into the ratio 

Bread A: Bread B = (2×250) : (3×250) = 500 : 750

Hence, for bread A we need 1500 gr of flour and 500 gr of butter, and for bread B, we need 750 gr of flour and 750 gr of butter.


3 0
3 years ago
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ASAP!!!<br> Find the zero of the function f(x) = -8x + 4.<br> a. -1/2<br> b. 2<br> c. -2<br> d. 1/2
Katyanochek1 [597]

Answer:

D. 1/2

Step-by-step explanation:

Because if you choose A , you get +4

if you choose B ,you get -12

Choose C , you get +20

D is the correct answer.

6 0
2 years ago
Find the midpoint of the line segment with the given endpoints.<br><br> (-1,0), (-3,-4)
larisa86 [58]
No can’t u just search it up I feel like you’ll get the answer to this question in to time
5 0
2 years ago
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Identify the phrase that relates to the study of geography.
oksian1 [2.3K]

Answer:

D

Step-by-step explanation:

4 0
3 years ago
Geometry question Help please! Thanks!
DaniilM [7]

Answer:

theta=47.33 degrees

Step-by-step explanation:

sin theta=opposite/hyp

sin theta=500/680

theta in degrees=47.33

7 0
2 years ago
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