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2 years ago

Wich expression represents the phrase one fifth the sum of 14 and a number

Mathematics

1 answer:

kompoz [17]2 years ago

7 0

Answer:

(14+a)/5

(14+a) * 1/5

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Subtract.

faltersainse [42]

18 1/2 -17 3/4
= 18.50 -17.75
= 0.75
= 3/4

The 4th selection is appropriate.

5 0

2 years ago

HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP

vredina [299]

Answer:

Step-by-step explanation:

I hope this is correct!

8 0

2 years ago

Marco is carrying two cylinder-shaped cans. Each can has the same height

Dafna11 [192]

Answer:

Choice D

Step-by-step explanation:

The Cavalieri's principle states that if two or more solids have identical cross-sectional area as well as height, then the solids will have equal volume.

Therefore, the volumes of the cylinders are the same

8 0

2 years ago

Read 2 more answers

4x+1 ,3x find the value of x

In-s [12.5K]

I'm assuming that you meant 4x+1=3x?

Subtracting 4x, we get 1=-x. Multiplying by -1, we get x=-1 as the solution.

6 0

2 years ago

Read 2 more answers

Analyze the diagram below and complete the instructions that follow. Find a, b, and c.

ahrayia [7]

Answer:

<u>The correct answer is the letter C. </u>

Step-by-step explanation:

We can use the following trigonometric identity:

$cos(60)=\frac{6}{b}$ (1)

$cos(45)=\frac{c}{b}$ (2)

Solving each equation by b and equaling we have:

$\frac{6}{cos(60)}=\frac{c}{cos(45)}$

Let's recall that:

$cos(45)=\frac{1}{\sqrt{2}}$

$cos(60)=\frac{1}{2}$

Then we have:

$c=\frac{cos(45)*6}{cos(60)}$

$c=\frac{2*6}{\sqrt{2}}$

$c=\frac{12}{\sqrt{2}}$

$c=6\sqrt{2}$

Using equation (1) we can find b.

$cos(60)=\frac{6}{b}$

$b=12$

Finally, we can find a using the next equation:

$tan(60)=\frac{a}{6}$

$a=6*tan(60)$

$a=6\sqrt{3}$

<u>Therefore, the correct answer is the letter C. </u>

I hope it helps you!

5 0

2 years ago