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BigorU [14]
2 years ago
5

Plz I need help with this ASAP

Mathematics
1 answer:
Oduvanchick [21]2 years ago
7 0

Answer:

x = 13  and  x = -3

Step-by-step explanation:

divide each side by 2 first and get:

(x-5)² = 64

take the square root of each side next and get:

x - 5 = \sqrt{64}

x - 5 = 8  and  x - 5 = -8

x = 13  and  x = -3

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100% of my grade plz help
Montano1993 [528]

Answer: for the box. x 5 / -2 / 2 / -1 / 0 / -3 / 3

                                    y 9 / -5 / 0 / 5 / -1 / 9 / 7 / y

Step-by-step explanation:

I hope it helped

3 0
3 years ago
On a trip, you had to change your money from dollars to euros. You got 450 euros for 600 dollars. Which is a unit rate that desc
chubhunter [2.5K]
The number of Euros received against 600 dollars = 450
Then
For 1 dollar, the number of euros = (450/600) euros
                                                       = (45/60) euros
                                                       = ( 3/4) euros
                                                       = 0.75 euros
So the unit rate that describes the exchange rate is 0.75 euros per dollar. So the correct option among all the options given in the question is option "A". I hope the procedure for getting to the correct result is clear enough for you to understand. In future you can use this procedure for solving similar problems.


7 0
3 years ago
A triangle has an area of 75 square centimeters. if the base and height have equal length, what is the link? Round to the neares
Leni [432]
1/2*bh=75
1/2*bb=75
b^2=150
b=rt(150)=12.2
not sure what you mean by link, but 12.2 is approximately the length you're seeking
4 0
4 years ago
Fill blank with bottom options (u can’t use one twice!)
Damm [24]
Volume of pyramid = 1/3 lwh = 1/3 Bh
volume of prism = Bh 

So volume of pyramid = 1/3 volume of prism

Answer:

first box: one-third
second box: V = 1/3Bh
4 0
3 years ago
What is the product of all constants $k$ such that the quadratic $x^2 + kx +15$ can be factored in the form $(x+a)(x+b)$, where
Setler79 [48]

Answer:

k=-16,k=-8,k=8,k=16

Step-by-step explanation:

We are given quadratic equations as

x^2+kx+15

and it can be factored as

=(x+a)(x+b)

now, we can multiply factor term

(x+a)(x+b)=x^2+(a+b)x+ab

now, we can compare

x^2+(a+b)x+ab=x^2+kx+15

so, we get

k=a+b

ab=15

we are given that

'a' and 'b' are integers

so, we can find all possible factors

15=(-1\times -15),(1\times 15)

15=(-3\times -5),(3\times 5)

so, we can find k

At (-1\times -15):

k=a+b

we can plug values

k=-1-15

k=-16

At (1\times 15):

k=a+b

we can plug values

k=1+15

k=16

At (-3\times -5):

k=a+b

we can plug values

k=-3-5

k=-8

At (3\times 5):

k=a+b

we can plug values

k=3+5

k=8

So, values of k are

k=-16,k=-8,k=8,k=16

6 0
3 years ago
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