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Usimov [2.4K]
3 years ago
13

What is the value of 5(7x+5) when x=10 Show your work

Mathematics
1 answer:
Elan Coil [88]3 years ago
3 0

Answer:

375

Step-by-step explanation:

5(7x+5)

5(7*10+5)

7*10=70

5(70+5)

70+5=75

5*75

375

You might be interested in
Determine the volume of the figure. Use 3.14 for π. Round your answer to the nearest tenth. Show all of your work.
Ostrovityanka [42]

Answer:

1985 cubic units (written as un. with the cubed exponent)

Step-by-step explanation:

First, you find the volume of the cylinder

Here's the formula:

V=\pi r^{2}h\\V=volume\\r=radius\\h=height

Now, you plug in and solve.

V=(3.14)(7.2^{2})(7.4)\\V=(3.14)(51.84)(7.4)\\V=(162.7776)(7.4)\\V=1204.55424\\rounded:\\V=1204.6

Then, you find the volume of the dome.

Here's the formula:

volume/of/a/sphere=\frac{4}{3}\pi r^{3}\\volume/of/a/dome:\\V=\frac{2}{3}\pi r^{3} \\V=volume\\r=radius

Now, you just plug in and solve.

V=(\frac{2}{3})(\pi)(r^{3})\\V=(\frac{2}{3})(3.14)(7.2^{3})\\V=(\frac{2}{3})(3.14)(373.248)\\V=(2.093)(373.248)\\V=781.208064\\rounded:\\V=781.2

Finally, you add them together, and there's your answer!

1204.6+781.2=1985.8

Hope this helped!

<em>brainliest?</em>

8 0
3 years ago
Earn 100 points for this question and a brainiest
padilas [110]

Answer:

the answer is C

Step-by-step explanation:

\frac{7}{7}  -  \frac{4}{7}  +  \frac{2}{7}

6 0
2 years ago
Read 2 more answers
Answer Choices:
algol [13]
The best answer to go with is b
5 0
2 years ago
Given cos(O)=3/5 and tan(O)
Valentin [98]

Answer:

Tan(O) = 4/3

Step-by-step explanation:

According to SOH CAH TOA

cos theta = adj/hyp

cosO = 3/4

adj = 3

hyp = 5

Get the opposite

Using pythagoras theorem

opp^2 = hyp^2-adj^2

opp^2 = 5^2 - 3^2

opp^2 = 25-9

opp^2 = 16

opp = 4

Tan (O) = opp/adj

Tan(O) = 4/3

Hence Tan(O) = 4/3

3 0
2 years ago
I need mathswatch help!
11111nata11111 [884]

Answer:

6 blue flowers, there is no mode

Step-by-step explanation:

Please mark as Brainliest! :)

Have a nice day.

7 0
3 years ago
Read 2 more answers
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