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GalinKa [24]
3 years ago
13

A baker is making cakes for a big party she uses 1/4 cup of oil for each cake how many cake can she make is she has a bottle of

oil that has 6 cup in it
Mathematics
1 answer:
lina2011 [118]3 years ago
8 0

 1/4 cups of oil is needed for one cake

which means four cakes needs one cup of oil

therefore to find the answer you do 6 multiply 4

which equals 24

24 cakes can be made with 6 cups of oil

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Number 1 and 2 please (25 points)
Elenna [48]

Answers:

1) (3x+2)+(4-5x)=-2x+6

(3+2i)+(4-5i)=7-3i

2) (1-3x)(2+x)=-3x^{2}-5x+2

(1-3i)+(2+i)=5-5i

Step-by-step explanation:

In mathematics there are rules related to complex numbers, specifically in the case of addition and multiplication:

<u>Addition: </u>

If we have two complex numbers written in their binomial form, the sum of both will be a complex number whose real part is the sum of the real parts and whose imaginary part is the sum of the imaginary parts (similarly as the sum of two binomials).

For example,  the addition of these two binomials is:

(3x+2)+(4-5x)=3x-5x+2+4=-2x+6

Similarly, the addition of two complex numbers is:

(3+2i)+(4-5i)=3+4+2i-5i=7-3i Here the complex part is the number with the i

<u>Multiplication: </u>

If we have two complex numbers written in their binomial form, the multiplication of both will be the same as the multiplication (product) of two binomials, taking into account that i^{2}=-1.

For example,  the multiplication of these two binomials is:

(1-3x)(2+x)=2+x-6x-3x^{2}=-3x^{2}-5x+2

Similarly, the multiplication of two complex numbers is:

(1-3i)+(2+i)=2+i-6i-3i^{2}=2-5i-3(-1)=5-5i

8 0
4 years ago
Plz plz plz help me with this
erica [24]
This question wants you to find a common denominator for the fractions.
This means finding the LCM, least common multiple, for 21 and 9.
This can be done by listing the multiples for each number until they meet at a common one.

9:
9
18
27
36
45
54
63

21:
21
42
63

This means the LCM of 21 and 9 is 63.
So the lowest possible common denominator is 63.

21 • 3 = 63
So you have to multiply the numerator of 2/21 by 3 as well.
2 • 3 = 6
2/21 = 6/63

Now do the same for 1/9.
9 • 7 = 63
Multiply the numerator, 1, by 7.
1 • 7 = 7
1/9 = 7/63

So in the first blanks, you would put 6/63 for what 2/21 is equal to and 7/63 for what 1/9 is equal to.

7/63 is greater than 6/63.
7/63 > 6/63
That means 1/9 > 2/21
So 2/21 < 1/9 is the answer to the last blank.

Hope this helps!
6 0
3 years ago
Please answer!! will give brainliest!
Eva8 [605]

Answer:

Q1=38

Q3=88

IQR=50

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Need Help On This<br> simplify:<br> 9a(-4a^3 b^5)(-2a^4 bc^6)
aalyn [17]

Answer:

72a^8b^6c^6

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Please help asap 20 pts
Mila [183]

4[3 * (-2) + 7] / [4 + (-2)]

= 4(-6 + 7) / (2)

= 4(1) / 2

= 4/2

= 2

Answer is B. 2

5 0
3 years ago
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