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Sveta_85 [38]
3 years ago
10

I need help with these three questions if anybody feels up for it. If not you can just answer one of them.​

Mathematics
2 answers:
Leni [432]3 years ago
6 0
I can answer the question
nexus9112 [7]3 years ago
4 0

Answer:

1) 54ft

2) 80ft

3) 16inches

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If somebody can give me the answer!!! <br> Please I need help
adoni [48]

Answer:

Its B

Step-by-step explanation:

You're correct

3 0
3 years ago
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Which shows the correct substitution of the values a, b, and c from the equation –2 = –x + x2 – 4 into the quadratic formula?
Korolek [52]
Well realistically this problem could be completed without use of quadratic equation:

-2 = -x + 2x - 4
+4       +4
2 = x

However, for quadratic equation, there needs to be 3 numbers:

ax^2+bx+c=0

Putting the equation in this form, we can say that

(0)x^2+(1)x+(-2)=0

Taking that and putting it into the quad formula makes:

x=(-1+-sqrt((1)^2-4(0)(-2)))/2(0)

That makes it a divide by 0 problem, making it unsolveable
4 0
3 years ago
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What is the gradient of the blue line?? Mathswatch
yaroslaw [1]

Answer:

gradient = -5

Step-by-step explanation:

A line passes (x1, y1) and (x2, y2) has the gradient (slope) which is calculated by:

gradient = (y2-y1)/(x2-x1)

As shown in picture, this blue line passes (-1, 0) and (0, -5)

=> gradient = (-5 - 0)/(0 - -1) = -5/1 = -5

Hope this helps!

3 0
3 years ago
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Which expression is equivalent to 2^6 x (2^2)^3?<br> O A 212<br> B. 215<br> O c. 236<br> OD 254
Semenov [28]

A. \bold{\boxed{\green{2^{12}}}}

Answer:

Solution given:

2^6 x (2^2)^3

we know that

product of power and power is added and power to power is multiplied for same base only.

I.E.

product of same base but different power:a^b+a^c=a^(b+c)

power to power :(a^b)^c=a^(b*c)

By using above property

2^6+2^{2*3}

2^6+2^6

2^{[6+6]}=2^{12}

8 0
2 years ago
A camper leaves camp on a kayak and travels 50 miles east on a river, then he ties his kayak to the bank and travels 20 miles no
vovikov84 [41]
I think the Pythagorean Theorem Formula also thinks. 
3 0
4 years ago
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