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vekshin1
3 years ago
12

3(m - n + 2) + 6 - m​

Mathematics
1 answer:
julia-pushkina [17]3 years ago
8 0

Step-by-step explanation:

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Priya has a recipe for banana bread. She uses 7 1/2 cups of flour to make 3 loaves of
Umnica [9.8K]

Answer:

2 1/2 cups of flour

Step-by-step explanation:

Priya is making 3 loaves of bread, so she will use 7 1/2 cups of flour.

Andre is making 1 loaf of bread, which is 1/3 the amount of loaves Priya is making. So, he will be using 1/3 the amount of flour Priya is using. So all we have to do is take 7 1/2 and divide it by 3:

7.5/3 = 2.5

Andre will use 2 1/2 cups of flour.

4 0
3 years ago
Cos90degrees cos30 degrees + sec-squared45degrees sin30degrees - cos270degrees sin180degrees
yawa3891 [41]

Step-by-step explanation:

\cos 90 \cos 30 + \sec^2 45 \sin 30 - \cos 270 \sin 180

But we know that

\cos 90 = \cos 270 = \sin 180 = 0

and

\sin 30 = \dfrac{\sqrt{3}}{2} \:\:\text{and}\:\: \sec 45 = \sqrt{2}

so this leaves us with just

\sec^2 45 \sin 30 = (\sqrt{2})^2  \left(\dfrac{\sqrt{3}}{2} \right)= \sqrt{3}

6 0
3 years ago
() = ()<br> ( + ) = () − <br> ( + ) = () − <br> () = () = <br> () =?
lubasha [3.4K]

Answer:

idk

Step-by-step explanation:

7 0
3 years ago
If you have an 81 for your 9 weeks grade but make a 70 on your exam whats going to be your final grade?
Ivan
To do this you need the mean.
(81*9+70)/10 that is the mean equation.
Solve.
(799)/10
79.9
79.9% Will be your grade or a C
4 0
3 years ago
Combine the like terms <br> 5a + 5x + 3a ?
aleksandrvk [35]

Answer:

8a +5x

Step-by-step explanation:

you cannot combine like terms if they dont have the same letter

hope this helps!

3 0
3 years ago
Read 2 more answers
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