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Harman [31]
3 years ago
10

The solutions to (x + 3)^2- 4=0 are x = -1 and x = -5 True or false

Mathematics
1 answer:
Neko [114]3 years ago
6 0

Answer:

THE ANSWER WOULD BE TRUE MY FRIEND

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What is the length of the hypotenuse of the triangle? triangle A B C. Side A C is 7 centimeters and side B C is 3 centimeters. H
Maksim231197 [3]

Answer: √58 cm or 7.62 cm

Step-by-step explanation:

The Pythagorean Theorem is a²+b²=c². Since we are given the lengths of a and b, we can plug them into this formula to find the length of the hypotenuse.

7²+3²=c²

49+9=c²

58=c²

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3 years ago
You purchase 26 parking hours that you can use the next month to park your food truck at the fair. Weekday hours park $2 per hou
ICE Princess25 [194]

Answer:

Number of week day hours purchased  is 5

Step-by-step explanation:

Total number of Parking hours purchased = 26 parking hours

Parking cost on weekdays = $2 per hour

Parking costs on weekends = $10 per hour

Total amount spent on parking =  $220.

To Find:

Number of week days purchased = ?

Solution:

Let  

The number of week days purchased be x

The number of weekends purchased be  y

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So,

x+y = 26

y = 26-x------------------------------------------------------(1)

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(Total number of weekdays X cost per weekday ) +(Total number of weekends + cost per weekend) =220

Substituting the values

=>x\times 2 + y \times 10 = 220

=>x \times 2 + (26-x) \times 10 =220

=>2x + 260 -10x =220

=>260 -8x = 220

=>260 -220 =8x

=>40 = 8x

=>x=\frac{40}{8}

x= 5-------------------------------------------(2)

Now substituting (2) in (1) we get

y= 26-5

y= 21

7 0
3 years ago
I NEED HELP PLEASE ASAP!!!
Vilka [71]

Answer:

Step-by-step explanation:

To find the surface area of a regular pyramid use the formula:

S = 1/2 × l × p + b

Surface = 1/2 × lateral height × perimeter of the base + area of the base

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The value of x can be found using the sine function.

sin 30 = x/8
8 (sin 30) = x
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3 years ago
NO LINKS!!<br><br>Solve each equation. Show all work.<br><br>(x - 2)^2 - 64 = 0​
klasskru [66]

(x-2)^2-64=0\\(x-2)^2=64\\x-2=8 \vee x-2=-8\\x=10 \vee x=-6

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