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3 years ago

Juanita is making bread. She

Mathematics

1 answer:

Sever21 [200]3 years ago

6 0

Answer:14 1/4 cups

Step-by-step explanation:

3 1/2=14/4

(14/4) / (1/4) = 14

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The perimeter of a square is 32cm. find the area

Helen [10]

Answer:

64 cm

Step-by-step explanation:

If the perimeter of a square is 32cm. Each side is the same length, and there are 4 sides. 32÷4=8

Each side equals 8. 8•8=64 The area is 64cm.

4 0

3 years ago

Solve & Justify 3(5x + 1) = 18x

Natalija [7]

Answer:

x=1

Step-by-step explanation:

First you distribute the 3 to 5x and 1 to get 15x+3=18x

Then you subtract 15x from 18x and get 3x

Lastly you divide 3 by 3 to separate the 3 and x and get x=1.

6 0

3 years ago

Read 2 more answers

Please prove the following identity

Sedaia [141]

Let's remember the factorizations

$a^3 + b^3 = (a+b)(a^2-ab+b^2)$

$a^3- b^3=(a-b)(a^2+ab+b^2)$

Now

$\dfrac{\sin ^3 \theta + \cos^3 \theta}{\sin \theta + \cos \theta} + \dfrac{\sin^3 \theta - \cos^3 \theta}{\sin \theta - \cos \theta}$

$=\dfrac{(\sin \theta + \cos \theta)(\sin ^2 \theta - \sin \theta\cos \theta + \cos^2 \theta)}{\sin \theta + \cos \theta} + \dfrac{(\sin \theta - \cos \theta)(\sin^2 \theta + \sin \theta \cos \theta + \cos^2 \theta)}{\sin \theta - \cos \theta}$

$=\sin ^2 \theta - \sin \theta\cos \theta + \cos^2 \theta + \sin^2 \theta + \sin \theta \cos \theta + \cos^2 \theta$

$=\sin ^2 \theta + \cos^2 \theta + \sin^2 \theta+ \cos^2 \theta$

$=2 \quad\checkmark$

4 0

3 years ago

Pls solve with solution

Natasha_Volkova [10]

I can’t see that well can you show it more clearly

4 0

3 years ago

Which is another way to check the sum of 52+23+10+78

Oduvanchick [21]

Well first off those numbers add up to 163.

A way to check this is to add 52 with 23 which is 75 then add 78 by 10 which is 88 now add 75 with 88 which is 163

8 0

3 years ago