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3 years ago

Adding fractions with unlike denominators

Mathematics

1 answer:

hodyreva [135]3 years ago

8 0

Multiply the 3 times 4. Then do the same on the top.

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Imagine the graph for the relation 4x-5y+20 = 0. What would be its slope?

muminat

4x - 5y + 20 = 0
 - 20 - 20
 4x - 5y = -20
4x - 4x - 5y = -20 - 4x
 -5y = -20 - 4x
 -5y = -4x - 20
 -5 -5
 y = ⁴/₅x + 4
The slope would be ⁴/₅.

4 0

4 years ago

Help math homework both questions

-Dominant- [34]

Answer:

Q-12 The vertical length of the top part of elevator to ground is 0.8484 meters .

Q -14 The glide runway path is 24,752.47 feet .

Step-by-step explanation:

Q - 12

Given as :

The diagonal length of the elevator = e = 1.2 meters

The vertical length of the top part of elevator to ground = x meters

The angle made by elevator with ground = Ф = 45°

Now, According to figure

Sin angle = $\dfrac{\textrm perpendicular}{\textrm hypotenuse}$

Or, Sin Ф = $\dfrac{\textrm x}{\textrm e}$

Or, Sin 45° = $\dfrac{\textrm x meters}{\textrm 1.2 meters}$

Or, 0.707 × 1.2 meters = x

∴ x = 0.8484 meters

So, The vertical length of the top part of elevator to ground = x = 0.8484 meters

Hence,The vertical length of the top part of elevator to ground is 0.8484 meters . Answer

Q-14

Given as:

The altitude of decent of plane = H = 10,000 feet

The angle of descend = Ф = 22°

Let the glide runway path = y feet

Now, According to question

Tan angle = $\dfrac{\textrm perpendicular}{\textrm base}$

Or, Tan Ф = $\dfrac{\textrm H}{\textrm y}$

Or, Tan 22° = $\dfrac{\textrm 10,000 feet}{\textrm y feet}$

Or, 0.4040 = $\dfrac{\textrm 10,000 feet}{\textrm y feet}$

Or, y = $\dfrac{\textrm 10,000 feet}{\textrm 0.4040}$

∴ y = 24,752.47

So,The glide runway path = y = 24,752.47 feet

Hence, The glide runway path is 24,752.47 feet . Answer

6 0

3 years ago

Please I need some answers one or two are fine

Svetlanka [38]

Answer:

A. 10,000

B. 1,000,000

C. 10,000,000,000

D. 1,000,000,000,000

Step-by-step explanation:

10,000/ 10∧4 = 1

1,000,000/ 10∧6 = 1

10,000,000,000/ 10∧10 = 1

1,000,000,000,000/ 10∧12 = 1

Hope this helps! Good luck!

7 0

4 years ago

What is -8-2r=-7v-7v+16

Mariulka [41]

Answer:

r=7v−12

Step-by-step explanation:

Let's solve for r.

−8−2r=−7v−7v+16

Step 1: Add 8 to both sides.

−2r−8+8=−14v+16+8

−2r=−14v+24

Step 2: Divide both sides by -2.

−2r

−2

−14v+24

−2

r=7v−12

3 0

3 years ago

Stephen is combining all of the juice shown to make fruit punch. Does the expression (64 + 28 + 76) divided by 6 show how you co

Volgvan

Answer:

The answer is yes.

Step-by-step explanation:

3/4 US Cups or 0.75 US Cups of fluid is equal to 6 fluid ounces so if we add all the liquid that is given in fluid ounces together and divide the total amount by 6, then it would be equal to the total number of 3/4 US cups servings. So the answer is yes, the expression could be used to calculate the servings.

I hope this answer helps.

4 0

3 years ago

Adding fractions with unlike denominators​

Adding fractions with unlike denominators