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lora16 [44]
3 years ago
10

you are installing a support wire for an electrical pole. the pole is 25 feet and the ground connection is 10 feet from the base

of the pole. the wire is sold per whole feet. how many feet of support why should you purchase
Mathematics
1 answer:
aniked [119]3 years ago
7 0

ans=26.92

use trigonometric ratios

a²= b²+c²

a²=25²+10²

a²=625+100

now take square root on both sides

a

\sqrt{a { }^{2} }  =  \sqrt{725}

a=26.92

a=27 (2decimal place)

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Você tem $ 20 para gastar com o táxi. A corrida custa $5 mais $2,50d 2,50 por quilômetro.
Aloiza [94]

Answer:

$5 + 2.50k ≤ $20

6 kilometers

Step-by-step explanation:

Puedes viajar con $15 porque gastaste 5 en la tarifa base. 15 dividido por 2,5 es 6, por lo que puedes viajar 6 kilómetros con $20.

5 0
2 years ago
On Saturday Stella worked for two hours helping her mother in the house. she spent 1/3 of her time doing laundry, 1/4 of a time
raketka [301]
\bf \stackrel{\textit{total hours time}}{2}-\cfrac{1}{3}-\cfrac{1}{4}\impliedby \textit{we'll use an LCD of \underline{12}}
\\\\\\
2-\cfrac{1}{3}-\cfrac{1}{4}\implies \cfrac{(12\cdot 2)~-~(4\cdot 1)~-~(3\cdot 1)}{12}\implies \cfrac{24-4-3}{12}\implies \cfrac{17}{12}
\\\\\\
\textit{12 goes into 17 \underline{1 time} and it has a \underline{remainder} of 5 }\implies 1\frac{5}{12}

which is one hour and 25 minutes.
7 0
3 years ago
Elkins Pointe basketball team purchased equipment and uniforms for a total cost of $912. The equipment cost$612 and the uniforms
otez555 [7]

Answer:

Total cost of equipment was $612. The remaining amount was spent on uniforms.

To find out how many uniforms were purchased,

Total cost of uniforms

=$912-$612

=$300

Number of uniforms purchased

=

$

300

$

25

=12

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Select the correct answer.
Naddik [55]
You use the FOIL method, and how you do this is -

(x - 7) (x + 8)

Multiply the first x by both numbers in the second factor. Which means, you multiply x by x and 8, the two in (x + 8).

With this, you get -
x^2 + 8x

Then do the same thing with -7.

-7x - 56

Then combine the two.
x^2 + 8x - 7x - 56

Combine like terms.

x^2 + x - 56

So now, 7 x 8 is 56
And -7 + 8 would be 1. And that is the value of “x” which is b in the form a^2x + bx + c.

Now with this, you take those two numbers and make the factors =
(x + 8) (x - 7)

Then you set these equal to 0.

x + 8 = 0

Subtract the 8 from both sides.

x = -8

————

x - 7 = 0

Add the 7 on both sides.

x = 7

Answer: A
8 0
3 years ago
Read 2 more answers
Which is greater 99.04 or 99.040​
Alexeev081 [22]

Answer:

99.04

=

99.04

Step-by-step explanation:

8 0
3 years ago
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