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vovikov84 [41]
2 years ago
15

2(d+f)+h How do you answer this

Mathematics
1 answer:
MissTica2 years ago
4 0
2d+2f+h i see someone already answered tho lol
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What is 2 1/2 divided by (-1 3/4) as a mixed number? simplest form please
VikaD [51]
Start by changing both into improper fractions.
Multiply the denominator and whole number, the add the numerator.
2 x 2 + 1= 5
2 1/2= 5/2
1 x 4 + 3= 7
-1 3/4= -7/4

Now do 5/2 multiplied by the reciprocal of -7/4 which is -4/7.
5/2 x -4/7= -20/14
Simplify to -10/7 by dividing by 2
Change it to a mixed number
Answer is -1 3/7
8 0
4 years ago
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Help please? :))))))))))))
Ivan
A. 4times y+2        b. 5-x times 3 times y  c. -2 times y-3  d. -7 times 4+x            e. 16 times x -8 divided by 4     f. 1 divided by 3 times 2 times x +3


sorry I tried to make it out the best that I could I don't have all the symbols so I just wrote out the divide and multiply parts 
5 0
4 years ago
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One garden has 5 times more raspberry bushes than another garden. After 22 bushes were transplanted from the first garden to the
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One had 55. one had 11
4 0
4 years ago
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A dog buries 4 new bones in her backyard. If b represents the number of bones the dog previously had buried, write an expression
Lemur [1.5K]

Answer:

b+4

Step-by-step explanation:

Before, we had b bones.  Now, we have four more, so b+4.

6 0
3 years ago
(a) If tan A=x/y<br>prove that: y.cos2A +x.sin2A= y.<br>Please help me..​
katrin2010 [14]

Answer:  see proof below

<u>Step-by-step explanation:</u>

Use the following Double Angle Identities: cos 2A = 1 - 2sin²A

                                                                        sin 2A = 2sinA · cosA

\text{Given:}\quad \tan A = \dfrac{x}{y}

<u>Proof LHS = RHS</u>

y cos 2A + x sin 2A = y

                  x sin 2A = y - y cos 2A

                  x sin 2A = y(1 - cos 2A)

                  \dfrac{x}{y}=\dfrac{1-\cos2A}{sin\ 2A}

                  \dfrac{x}{y}=\dfrac{1-(1-2sin^2A)}{2\sin A\cdot \cos A}

                  \dfrac{x}{y}=\dfrac{2sin^2A}{2\sin A\cdot \cos A}

                  \dfrac{x}{y}=\dfrac{\sin A}{\cos A}

                  \dfrac{x}{y}=\tan A}

This is a TRUE statement since it was given that  \tan A = \dfrac{x}{y}  

                     

4 0
3 years ago
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