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stich3 [128]
3 years ago
13

Nathaly lost 29 cups of sugar by accidentally spilling it all over the floor after she cleaned it up,she asked her neighbor she

could borrow some.the neightbor could only spare 18 3/4 cups of sugar.nathly took that then asked another neighbor if she could borrow some. The neighbor could only
spare 18 3⁄4 cups of sugar. Nathaly took that and asked another neighbor who gave her 6
1⁄2 cups. How much more will Nathaly need to replace the sugar she spilled?
Mathematics
1 answer:
Taya2010 [7]3 years ago
7 0

She needs 3 3/4 cups more

Step-by-step explanation:

(I think you accidently put the 18 3/4 part twice) but anyways if you add 3/4 and 1/2 you get 1 and 1/4 that will be important later then you do 18 + 6 = 24 and then add your 1 and 1/4 to get a total of 25 1/4 then you just minus that from 29 and get 3 and 3/4

Hope this Helps!

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A grocery store sold 250pounds of fruit in May. This is 5times more than it sold in January.How many pounds of fruit did the gro
WARRIOR [948]

They sold 50 pounds in January.

To find this you just need to divide 250 by 5 since the amount sold in May is 5 times more.

Hope this helps :)

5 0
3 years ago
Rewrite with only sin x and cos x.
Annette [7]

Option A

\cos 3 x=\cos x-4 \cos x \sin ^{2} x

<em><u>Solution:</u></em>

Given that we have to rewrite with only sin x and cos x

Given is cos 3x

cos 3x = cos(x + 2x)

We know that,

\cos (a+b)=\cos a \cos b-\sin a \sin b

Therefore,

\cos (x+2 x)=\cos x \cos 2 x-\sin x \sin 2 x  ---- eqn 1

We know that,

\sin 2 x=2 \sin x \cos x

\cos 2 x=\cos ^{2} x-\sin ^{2} x

Substituting these values in eqn 1

\cos (x+2 x)=\cos x\left(\cos ^{2} x-\sin ^{2} x\right)-\sin x(2 \sin x \cos x)  -------- eqn 2

We know that,

\cos ^{2} x-\sin ^{2} x=1-2 \sin ^{2} x

Applying this in above eqn 2, we get

\cos (x+2 x)=\cos x\left(1-2 \sin ^{2} x\right)-\sin x(2 \sin x \cos x)

\begin{aligned}&\cos (x+2 x)=\cos x-2 \sin ^{2} x \cos x-2 \sin ^{2} x \cos x\\\\&\cos (x+2 x)=\cos x-4 \sin ^{2} x \cos x\end{aligned}

\cos (x+2 x)=\cos x-4 \cos x \sin ^{2} x

Therefore,

\cos 3 x=\cos x-4 \cos x \sin ^{2} x

Option A is correct

7 0
3 years ago
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Yuri [45]

Answer: 2, 3, 4, 5

Step-by-step explanation:

I just did it i'm positive it correct :)

Hope this helps.

7 0
3 years ago
The distance from a point on the number line to zero is known as:
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b. absolute value

Hope this helps!

5 0
3 years ago
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Answer:lazy

Step-by-step explanation:

5 0
3 years ago
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